2018 ENVIRONMENTAL MONITORING REPORT SALMON ARM REFUSE DISPOSAL FACILITY (MR – 05479), SALMON ARM B.C.

Prepared for:

Columbia Shuswap Regional District 555 Harbourfront Drive NE PO Box 978 Salmon Arm, B.C. V1E 4P1

Prepared by:

Western Water Associates Ltd. #106-5145 26th Street February 2019 Vernon, B.C. V1T 8G4 Project: 14-024-13

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February 2019 i CSRD – Annual Environmental Monitoring Report – Salmon Arm Landfill 14-024-13

TABLE OF CONTENTS

1. INTRODUCTION AND SITE BACKGROUND ...... 1 1.1 OBJECTIVE AND SCOPE ...... 3 2. SITE DESCRIPTION ...... 3 2.1 LOCATION...... 3 2.2 GEOLOGIC AND HYDROGEOLOGIC SETTING ...... 3 2.3 CLIMATE AND HYDROLOGY ...... 5 2.4 2018 MONITORING NETWORK ...... 5 3. METHODS ...... 8 3.1 SAMPLING METHODS AND PROTOCOLS...... 8 3.2 SAMPLING PARAMETERS ...... 9 4. RESULTS AND DISCUSSION ...... 9 4.1 VEGETATION ...... 10 4.2 WATER LEVEL MEASUREMENTS ...... 10 4.3 WATER QUALITY EXCEEDANCES ...... 11 4.3.1 SURFACE WATER QUALITY EXCEEDANCES (LEACHATE POND (LP-1)) ...... 13 4.3.2 GROUNDWATER WATER QUALITY EXCEEDANCES ...... 13 4.4 WATER QUALITY TREND ANALYSIS FROM 2002 TO 2018 ...... 14 4.4.1 GROUNDWATER QUALITY TREND ANALYSIS FROM 2002 TO 2018 ...... 18 5. CONCLUSIONS ...... 21 6. RECOMMENDATIONS ...... 22 REFERENCES ...... 23

List of Tables Table 1: Operational Certificate MR-05479 Concordance Table ...... 2 Table 2: Monthly Average Climate Data (STN 1166R45: 1981 - 2010) ...... 5 Table 3: 2018 Monitoring Program ...... 7 Table 4: 2018 Water Quality Exceedances by Guideline ...... 12 Table 5: Summary Statistics for Select Water Quality Parameters from 2002 to 2018 ...... 14

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February 2019 ii CSRD – Annual Environmental Monitoring Report – Salmon Arm Landfill 14-024-13

List of Figures (following text) Figure 1 General Site Location Map Figure 2a Sampling Locations at Salmon Arm Refuse Disposal Facility Figure 2b Water Level Contours at Salmon Arm Refuse Disposal Facility Figure 3 Water Level Elevations for the past 12 years (2003 to 2018) Figure 4 Chloride and Chloride for Leachate Pond Time Series Plots Figure 5 Conductivity and Conductivity for Leachate Pond Time Series Plots Figure 6 Dissolved Sodium and Total Sodium Time Series Plots Figure 7 Sulphate and Sulphate for Leachate Pond Time Series Plots Figure 8 Total Organic Carbon and Total Organic Carbon for Leachate Pond Time Series Plots Figure 9 Nitrate and Nitrate for Leachate Pond Time Series Plots Figure 10 Dissolved Iron and Total Iron Time Series Plots Figure 11 Dissolved Manganese and Total Manganese Time Series Plots Figure 12 Dissolved Uranium and Total Uranium Time Series Plots Figure 13 Dissolved Arsenic and Total Arsenic Time Series Plots Figure 14 Piper Plot

List of Appendices Appendix A Operational Certificate MR-05479 Appendix B Well Logs Appendix C Water Quality Database Appendix D Water Quality Reports Appendix E WWAL Response to Non-compliance letter from MoE

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February 2019 1 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

1. INTRODUCTION AND SITE BACKGROUND Western Water Associates Limited (WWAL) was retained by the Columbia Shuswap Regional District (CSRD) to prepare the 2018 Annual Environmental Monitoring Report for the Salmon Arm Refuse Disposal Facility (RDF) (hereinafter called the “site”) as part of a district-wide monitoring contract. This report presents the monitoring for the 2018 reporting period from January 1 to December 31, 2018. Associated Engineering (formerly Summit Environmental Consultants Inc.) previously reported on the 2008 to 2013 monitoring programs. Prior to 2008, Sperling Hansen Associates prepared the annual reports (SHA 2008). In 2014 WWAL was awarded the monitoring contract, from 2014 to 2018 environmental monitoring has been performed by WWAL (WWAL 2014-2017) and we are pleased to provide the results of the 2018 environmental monitoring program at the Salmon Arm RDF in this report.

The Salmon Arm RDF was operated as a landfill by the District of Salmon Arm between 1979 and 1997 under Pollution Control Permit PR 5479. The site has been operated as a regional landfill by the CSRD since it was transferred in 1997 under the now referenced Operational Certificate (OC) MR-05479, issued July 25, 1979 amended December 19, 2006, by the Ministry of Environment and Climate Change Strategy (MoE). The OC allows for the acceptance of up to 580 m3 per week (30,160 m3 per year) of municipal and light industrial refuse, excluding special waste (SHA 2008).

The Salmon Arm RDF includes Phase 1 and Phase 2 areas. In August 2010, Phase 1 was capped with a geomembrane and a fabricated topsoil and closed. The Phase 1 closure also included a landfill gas collection and destruction system. South of Phase 1, Phase 2 was allocated to accept waste in the fall of 2010. The landfill gas (methane) recovery plant and associated infrastructure (infiltration and holding ponds) was completed in the spring and brought online in the summer of 2011 on the east side of Phase 2. The infiltration pond and a holding pond is located to the south where Phase 2 landfill leachate is pumped. Landfill leachate is aerated in the holding pond located north of the gas facility and then pumped into Phase 1 for bio-active degradation, which further stimulates methane gas production. Excess leachate and runoff from Phase 1 is directed to the infiltration pond located south of the landfill gas recovery plant. A composting facility was constructed within Phase 2 of the RDF.

This report was prepared in accordance with the annual landfill reporting requirements outlined in Section 4.0 of the OC. A copy of the OC is included in Appendix A and Table 1 summarizes the corresponding report information section to the approved schedule condition of the OC. To address the comments in from the Non-Compliance Letter from the MoE in 2018, WWAL provides a response, provided in Appendix E.

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February 2019 2 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Table 1: Operational Certificate MR-05479 Concordance Table

Approved Schedule Condition Corresponding Report Information Section

Section 4. Monitoring and Reporting Requirements

4.1 - Environmental Monitoring Program 2.4 Monitoring Network, Table 2

4.2 - Sampling Techniques 3.1 Sampling Methods and Protocols, 3.2 Sampling Parameters Completed by CARO Analytical, a CALA accredited 4.3 - Analyses laboratory, see Appendices C and D Section 4.4 - Annual Report

4.4 (a) - Executive Summary CSRD Report

4.4 (b) - Type and tonnage of waste received, CSRD Report recycled and landfilled 4.4 (c) - Current topographic map detailing airspace consumption, on-site borrow pit CSRD Report changes and future developments 4.4 (d) - Updated estimates for the remaining capacity, closure for the current phase and CSRD Report closure date for the current landfill report 4.4 (e) - Statement of the current dollar value of the Closure Fund and the amount CSRD Report earmarked for the Salmon Arm Landfill Site 4.4 (f) - Proposed changes from the Design and Operations Plan and the Environmental 6. Recommendations Monitoring Program 4.4 (g) - Operations update that summarizes landfill development work completed in the CSRD Report reporting year and work planned for the subsequent year.

4.4 (h) - Observations of wildlife at the facility CSRD Report

4.4 (i) -Statement regarding the facility's progress in reducing regional solid waste CSRD Report stream 4.4 (j) - Results of Env Monitoring Data, Trend, 2.4 Monitoring Network, Table 2, Section 4 (4.3.1 Surface Statistical and Graphical Analysis. Evaluation of Water Quality Exceedances, 4.3.2 Groundwater Quality the impacts of the discharges on the receiving Exceedances, 4.4.1 Groundwater Quality Trend Analysis), 5. environment. Conclusions, Table 3, Table 4, Figures 3-13, Appendix C

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February 2019 3 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

1.1 Objective and Scope To assess the potential impact to groundwater from operations of the RDF, the objectives of the monitoring program are to collect and analyze groundwater samples, and interpret analytical results in accordance with the OC , Landfill Criteria for Municipal Solid Waste (MoE 2016), and the Guidelines for Environmental Monitoring at Municipal Solid Waste Landfills (MoE 1996). The tasks undertaken were as follows:

 Collect and submit to the laboratory, water samples as scheduled for the year;  Assess the condition of local on-site vegetation for potential stress;  Summarize water quality guideline exceedances from the 2018 results;  Analyze the data and prepare the final annual report (this document); and  Review the results with the CSRD Project Manager at the end of each year and provide recommendations regarding well maintenance and to revise the program for future years, if warranted.

2. SITE DESCRIPTION This section describes geographic location, bedrock and surficial geology of the study area, historical climate data, hydrologic data, and hydrogeology data for Salmon Arm RDF. Further, a description of the monitoring network that was sampled in the 2018 program is provided.

2.1 Location The Salmon Arm RDF is located on the valley bottom approximately 4 km southeast of the Salmon Arm of and approximately 1 km west of Highway 97B (Figure 1). The north property boundary of the site is adjacent to the Salmon Arm Municipal Airport and the neighbouring property to the west- northwest is a 6 hectare (15 acre) fruit orchard with three private residences and a large storefront/workshop. There is a privately-owned property directly southwest of the RDF which is used as a construction demolition material landfill. Properties to the south and southeast of the landfill are private lands that are zoned for commercial and/or industrial use. The current landfill boundary has an estimated area of 28 hectares (69.58 acres) and a landfill footprint of approximately 22 hectares (54 acres). The site layout is provided on Figure 2. The Legal and Civic address for the site are as follows:

Legal: Lot 1, Plan 45716, Section 7, Township 20, Range 9, West of the Sixth Meridian, Division Yale District (K.D.Y.D.).

Civic: 4290 20th Avenue SE, Salmon Arm, B.C.

2.2 Geologic and Hydrogeologic Setting Bedrock geology in the area consists of granite, granodiorite, and allied rocks formed during the Jurassic and/or Cretaceous (68 to 200 million years ago). Further, bedrock to the southwest of the site consists of older sedimentary (limestone) and metamorphic (schist) rocks of the Formation formed approximately 2500 million years ago or later (Rice et al 1960).

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February 2019 4 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Surficial sediments at the site are mainly composed of collapsed lacustrine deposits of silt, sand, clay with minor gravel of the Fraser Glaciation, formed during the Pleistocene (3 million years ago to present). The presences of these surficial deposits are further evidenced by well logs at and in the vicinity of the site. Kettle, terrace and fluvial deposits likely formed within melt water channels during glacial retreat are exposed along the valley edges (Fulton et al 1974). Glacial moraine deposits are likely present down to the underlying bedrock contact, which is expected to be in excess of 150 m below ground surface (mbgs) (GLL 1996).

Detailed site geology and hydraulic testing was conducted by Gartner Lee Ltd. (GLL) in 1996 and is summarized here. Geology underlying the Salmon Arm RDF shows sequences of interlayered fine to medium-grained sands and silts. This interlayered sequence extends to a depth of 30 to 33 m bgs (boreholes MW95-01, MW95-02, and MW95-03 dug by GLL in 1996). Below 33 m bgs, materials change to grey, homogenous medium-grained sand with very little silt, and is the aquifer underlying the site. Grain size and hydraulic conductivity for two soil samples were analyzed by GLL. The first sample was collected at a depth interval of 25 to 26 m bgs within the upper silty formation. The particle size distribution indicated that this material was 44% sand, 50% silt, and 6% clay size particles on a percent weight basis. GLL estimated the hydraulic conductivity at 1.6 x 10-5 cm/s. The second sample was collected at a depth interval of 38 to 39 m bgs within the grey homogenous sand. The particle size distribution indicated that this material consisted of 97% sand, 2% silt, and 1% clay particles. The estimated hydraulic conductivity was 4.5 x 10-3 cm/s, significantly more permeable than the brown silty sand layer above.

A reported clay layer is observed at monitoring wells MW95-2, MW95-3, and MW08-5 as well as at gas monitoring wells GP-2S/D, GP-3D, GP-4D, and GP-5D. The individual clay units noted in the well logs are relatively thin (1 to 3 m), likely deposited in temporary small ponds and lakes. The grain size characteristics of the clays change laterally and with depth as noted in the borehole logs. The presence of a piezometric head indicates there are confined to semi-confined conditions within the aquifer, which suggests that the clay may be found in a relatively continuous layer across the site. It is expected that downwards groundwater recharge from surface would meet the clay layer, at which point it would continue downwards at a much slower rate but would still recharge the sandier deposits below.

MoE shows Aquifer 109 IIIC as the main aquifer beneath the site, which is an unconsolidated sand and gravel aquifer. Further, the site well logs indicate that the aquifer consists of grey, medium-grained sand at a depth of approximately 30 to 40 m bgs that is confined by an overlying silty clay or clayey silt layer. Aquifer 109 IIC is classified as having low demand, moderate productivity, and low vulnerability. Demand describes local reliance on the groundwater water source, productivity indicates relative well yields, and vulnerability describes the potential for contaminants to move from the surface into the aquifer. Evaluation of water level elevations at up and downgradient well locations have shown that the groundwater flows north towards Shuswap Lake. The groundwater flow velocity has been estimated at 0.005 m per year in the less permeable materials above the aquifer, and approximately 1.4 m per year within the aquifer (SHA 2008).

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February 2019 5 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

2.3 Climate and Hydrology Climate data for the region were assessed from the climate station (Climate STN ID 1166R45), located adjacent (northwest) to the site and at the same elevation (527 masl). Climate averages for this station are available from I found 1981-2010. During this period, the recorded average annual temperature and total precipitation at the climate station were 7.4ºC and 653 mm/year, respectively (Environment Canada 2016). The recorded mean monthly temperatures ranged from -3.7ºC in January and December to 19.1°C in July. The recorded mean monthly precipitation ranged from 33.9 mm in February to 82.4 mm in November. Table 1 summarizes the climate data.

The Thornthwaite and HELP Model were used to calculate the water balance for the Salmon Arm RDF in the 2000 Design and Operations Plan by Gartner Lee Limited (GLL). Results using the Thornhwaite method predicted approximately 23% of the annual precipitation would percolate into the ground, while the HELP Model predicted the percolation rate to be 31% of the annual total precipitation (SHA 2008).

Table 2: Monthly Average Climate Data (STN 1166R45: 1981 - 2010)

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year Avg. Temperature Daily Average (°C) -3.7 -1.6 3 8 12.5 16.2 19.1 18.5 13.2 6.7 0.6 -3.7 7.4 Precipitation Rainfall (mm) 11.2 14.7 32.5 43.1 59.4 65.7 46.1 37.5 43.4 53.6 50.7 11 468.9 Snowfall (cm) 56.2 19.2 9.2 0.6 0 0 0 0 0 0.7 31.6 66.8 184.2 Precipitation (mm) 67.4 33.9 41.7 43.6 59.4 65.7 46.1 37.5 43.4 54.2 82.4 77.8 653 Source: Canadian Climate Normals (Environment Canada, 2016)

Due to flat topography and soil type, surface runoff channeling is not likely to occur at the Salmon Arm RDF and surrounding area. Surface water is likely to accumulate in shallow ponds until it infiltrates into the ground or is lost by evaporation. The nearest surface water body to the site is Canoe Creek located approximately 1 km east (cross gradient) of the site and drains north into Shuswap Lake. The Salmon Arm of Shuswap Lake is located approximately 4 km northwest (downgradient) of the site. From assessment of the hydrograph for Salmon River Near Salmon Arm Hydrometric Station (STN 08LE021), approximately 7 km west of the site, the peak discharge for the Salmon River is in May and June, with the lowest river discharge typically occurring in September through to February, prior to freshet. This is further evidenced by the Shuswap Lake hydrometric station near Canoe (STN 08LE070), which indicates peak water level occurs in June with the lowest water levels observed in February and March.

2.4 2018 Monitoring Network In 2016 WWAL was asked by the CSRD to standardize the naming scheme of the monitoring wells for all CSRD Refuse and Disposal Facilities (five sites in total). A legend outlining the previous and new monitoring well identification names for all the monitored sites is provided in Appendix B. At Salmon

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February 2019 6 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Arm, monitoring well sample location names TH-1, TH-2, TH-3, TH-5, and TH-6 were changed to MW95- 01, MW95-02, MW95-03, MW08-05, MW11-06, respectively.

The 2018 monitoring network included nine locations (Figure 2a):

 One off-site domestic well (DMW-1);  One off-site irrigation wells (IW-1b), note IW-1a was non-operational through 2018 and was therefore not sampled;  One off-site monitoring well (MW16-07)  Five on-site monitoring wells (MW95-01, MW95-02, MW95-03, MW08-05 and MW11- 06); and  One leachate pond (LP-1).

Monitoring wells MW95-01 and MW95-02 are located downgradient, along the northern property boundary adjacent to the airport. MW95-03 is located in Phase 2 of the RDF, near the centre of the landfill and MW11-06 is located immediately downgradient (north) of the landfill leachate pond and cross gradient (east) of Phase 2. Upgradient monitoring well MW08-05 is located near the RDF southern property boundary and provides background (ambient) water quality. Wells MW95-01, MW95-02, and MW95-03 have been sampled since 2002. MW08-05 has been sampled since 2008, after it was installed as a replacement well for TH-4 (no longer included in the program), which has been dry since installation. MW11-06 has been sampled since it was installed in 2011.

A survey to identify potential receptors in the vicinity of the Salmon Arm RDF conducted by Summit in 2011 (Summit 2012) showed the monitoring network had insufficient coverage to the northeast and west of the Salmon Arm RDF. Therefore, beginning in 2012 the domestic well (DMW-1) to the northeast and the two irrigation wells (IW-la and IW-1b) to the west were added to the sampling program.

In August 2016, an elevation survey of the groundwater monitoring wells and newly installed MW16-07 well was completed by Brown Johnson to +/- 1 centimeter of vertical accuracy. The elevation survey was conducted to measure actual groundwater flow direction beneath the RDF site. Figure 2a shows the locations of all monitored locations at the site and Figure 2b illustrates the groundwater level contours interpolated using the Kriging method for water level measure in August 2016. Available well logs are included in Appendix A, and Table 3 summarizes the details of the monitoring network including well elevations and depths.

Prior to 2011, sampling was conducted quarterly, with the exception of 2002 when three sampling events occurred. In 2011, the monitoring program went to tri-annual monitoring based on statistical analysis of variance (ANOVA) data provided by Summit (Summit 2010). The tri-annual monitoring at the site was approved by the MoE.

Sampling at Salmon Arm RDF occurs three times annually with the 2018 sampling events occurring on May 7 and 8, September 5 and 6, and November 21 and 22. Irrigation well IW-1a was not sampled in 2018, as the pump had been non-operational.

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February 2019 7 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Table 3: 2018 Monitoring Program Depth of Ground Surface Sample Aquifer Type/ Well Elevation (masl) Location Description Location Primary Lithology (m btoc)

SURFACE WATER

Located along the east boundary just LP-1 n/a n/a n/a south of MW11-6 and the gas plant.

GROUNDWATER

Semi-confined Installed northwest of MW95-2 located MW95-01 32 (sand with silt and 528.18 along the north boundary near the landfill clay) gates.

Installed southeast of MW95-1 located Confined (sand MW95-02 37 525.7 along the north boundary of the landfill with silt and clay) site.

Confined (sand Installed near the centre of the landfill site, MW95-03 30 525.98 with silt and clay) cross gradient to the leachate pond.

Installed upgradient of MW95-1 and Confined (sand and MW08-05 59 535.36 MW95-3 on the southern boundary near silt) the rear landfill gate.

Semi-confined Installed downgradient (north) of the MW11-06 36.5 525.8 (sand and silt) leachate pond.

Installed on the property west of the site Semi-confined MW16-07 43 541.48 (Mounce Construction) along the (sand) northern property boundary.

Approximately 500 m northeast of the DMW-1 Semi-confined 69 n/a RDF front gates at The Inn at the Ninth (sand) (WTN 80317) Hole on 20th ave SE.

Approximately 100 m west of the RDF IW-1a 42.7* n/a n/a site in the cherry orchard north of IW-1b.

Approximately 100 m west of the landfill IW-1b 61* n/a n/a site and south of the storefront/shop and IW-1a.

Note: WTN = Well Tag Number; masl = metres above sea level; * = Information obtained by personal communication with property owner; n/a = information was not available; All elevations have an error of +/- 10 m.

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February 2019 8 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

3. METHODS The following sections outline the program methods, including parameters sampled and field techniques used for the program.

3.1 Sampling Methods and Protocols In order to ensure that representative groundwater samples were obtained from the monitoring wells and that no contamination of the recovered samples occurred, sampling protocols followed Guidelines for Environmental Monitoring at Municipal Solid Waste Landfills and “British Columbia Field Sampling Manual for Continuous Monitoring plus the Collection for, Air-Emission, Water, Wastewater, Soil, Sediment, and Biological Samples” (MoE 2013).

Prior to groundwater sample collection, each well was purged of the standing volume of stagnant water using a submersible well pump, dedicated bailers, peristaltic pump or Waterra tubing (as appropriate). The objective of purging is to pump groundwater from the well until a representative sample of the formation groundwater is obtained. This is typically achieved by removal of three to five times the volume of standing water in the well or purging the well dry and letting the well recover to at least half of its pre-pumping level. Purging was considered complete once sediment-free groundwater is obtained and/or the EC, temperature, ORP, and pH of the groundwater stabilize. The pump was decontaminated between each sample location. Groundwater samples were collected in the appropriate laboratory-supplied, new sample containers and preserved as required. Groundwater samples designated for metals analysis were field filtered to 0.45 micron and preserved. All samples were packaged in a cooler and delivered to the laboratory within a 24-hour period for analysis. Groundwater samples were submitted, under chain-of-custody protocol, to Caro Analytical Services (Kelowna, BC), for analysis. The laboratory results were sent directly from the laboratory to Wireless Water, our database manager. The field and laboratory data were then merged and the data were available in one database for analysis by WWAL. During each monitoring event, the following field data were recorded:  Water level;  Field measured parameters [temperature, pH, ORP, DO, and EC];  Field notes on procedures (e.g. purging rates) and any unusual observations (e.g. well condition, odours, colours, etc.);  Evaluation of vegetation health in the area surrounding the wells that could be attributed to landfill leachate (luxuriant growth, discolouration, die-off, etc.); and  Potential signs of leachate breakout zones (e.g. presence of unusual bacteria or algae at all sites, signs of liquid flowing from the surface).

Replicate samples were taken at MW11-06 on September 5, 2018, the Relative Standard Deviation of each sampled parameter with results above detection limits calculated. The following parameters showed a Relative Standard Deviation above 10%: total organic carbon, aluminum (dissolved) and manganese (dissolved). All other parameters showed percent errors lower than 10%, with the majority of the parameters falling below 5%. Therefore, we deem the water quality data gathered in 2018 to be acceptably reliable, the quality of the data is good and does not negatively affect the conclusions made in this report.

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3.2 Sampling Parameters The 2018 laboratory assessed water quality parameters included the following:

 Total Alkalinity (total as CaCO3);

 Hardness (Dissolved, as CaCO3);  pH and Conductivity;  Total organic carbon (TOC);  Anions (chloride, bromide, fluoride, and sulphate);  Nutrients: (nitrate (as N), nitrite (as N), and ammonia (as N));  Volatile organic compounds (VOC’s) once per year; and  Dissolved metals.

Leachate pond water quality parameters were as follows:

 Total Alkalinity (total as CaCO3);

 Hardness (Total, as CaCO3);  pH and Conductivity;  Total suspended solids (TSS) and Total organic carbon (TOC);  Chemical oxygen demand (COD) and Biological oxygen demand (5-day BOD);  Anions (chloride, fluoride, and sulphate);  Nutrients: (nitrate (as N), nitrite (as N), total nitrogen, ammonia (as N), and nitrate + nitrite); and  Dissolved and Total Metals;

The groundwater monitoring program conducted in 2018 consisted of hydraulic (water level) monitoring, field measurements of pH, electrical conductivity (EC), temperature, oxidation-reduction potential (ORP), and dissolved oxygen (DO) recorded during purging and immediately before sampling. All of the above- listed parameters were analyzed during each sample event, with the exception of VOCs, which are sampled once annually (typically in the spring) at all sampled locations.

4. RESULTS AND DISCUSSION The following section describes field observations and the results of the water quality sampled at the site in 2018. Annual water level elevations, water quality guideline exceedances in 2018, along with temporal and spatial trends for the Salmon Arm RDF monitoring program are discussed. The descriptive statistics (average, standard deviation, maximum, minimum and count) for select water quality results between 2002 and 2018 are summarized in Table 5 with the full water quality database for all historic and current results provided in Appendix C. The 2018 analytical reports provided by the laboratory can be found in Appendix D.

Our analysis of potential leachate impacts on the receiving environment employs two main approaches:

 a direct comparison of monitoring results to guidelines (i.e. does a problem exist); and  a trend analysis of water quality results assessed both temporally and spatially.

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February 2019 10 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

The ensuing evaluation may then be used to inform decisions about future monitoring priorities as well as the overall program results.

Potential impacts to groundwater from landfill leachate are typically identified by assessing the concentrations of landfill leachate indicators relative to background groundwater concentrations. Typical leachate indicators may include, but are not limited to, ammonia, chloride, total alkalinity, sulphate, manganese, iron, calcium, magnesium, and the heavy metals cadmium, chromium, copper, nickel, and zinc (Christensen et al. 2001).

Figures 4 through 13 depict the time series plots for 10 water quality parameters sampled at 10 locations between 2002 and 2018. The landfill leachate associated parameters plotted include the following: chloride, electrical conductivity (conductivity), dissolved/total sodium, sulphate, total organic carbon (TOC), nitrate, dissolved/total iron and dissolved/total manganese, dissolved/total uranium, and dissolved/total arsenic. Plotted results below the reportable detection limit are displayed as one-half the reportable detection limit.

 Chloride and Chloride for Leachate Pond (Figure 4)  Conductivity and Conductivity for Leachate Pond (Figure 5);  Dissolved Sodium and Total Sodium (Figure 6);  Sulphate and Sulphate for Leachate Pond (Figure 7)  TOC and TOC for Leachate Pond (Figure 8)  Nitrate and Nitrate for Leachate Pond (Figure 9);  Dissolved Iron and Total Iron (Figure 10)  Dissolved Manganese and Total Manganese (Figure 11);  Dissolved Uranium and Total Uranium (Figure 12);  Dissolved Arsenic and Total Arsenic (Figure 13); and  Piper Plot (Figure 14).

4.1 Vegetation WWAL’s assessment indicated that there is no perceived stress, excess growth or other health concerns for the vegetation near the Salmon Arm RDF. Further, there were no signs breakout zones at any of the monitored locations.

4.2 Water Level Measurements At all the monitoring wells, water table elevation has been relatively stable throughout the 15 year period of record for the site (Figure 3). The annual fluctuations at the wells appear to be on the order of 1 m (Figure 3). There appears to be little seasonal water level variation at all monitoring wells, which is likely due to the confining/semi-confining layer that dampens surface water infiltration into the aquifer below. There has been a slight increasing trend in water levels evident since about 2011 (about 1.5 m in most wells). We believe this corresponds to a cycle of locally increased precipitation particularly in spring and summer. The water level elevations are highest at upgradient well MW08-05 and lowest at the downgradient wells MW11-06, MW95-01, and MW95-02. Based on the elevation survey and subsequent

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February 2019 11 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

mapping of groundwater level contours for August 2016 (Figure 2b), regional groundwater flow direction is from south to north beneath the site, towards Shuswap Lake. Further, there appears to be a degree of localized mounding of groundwater at MW95-03, which may be influenced by ground works associated with landfill operations.

Figure 3: Annual Water Level Elevations (2003-2018)

4.3 Water Quality Exceedances Assessing impact on the receiving environment from landfill leachate is the objective of the current monitoring program at Salmon Arm RDF. Based on the B.C. Ministry of Environment Landfill Criteria for Municipal Solid Waste, Draft Second Edition (2016) the B.C. Contaminated Sites Regulation (CSR) 375/96, Schedule 6, Generic Numerical Water Standards for Drinking Water (CSR DW) and Irrigation (CSR IW) were used for evaluation as the B.C. CSR applies to off-site monitored wells.

Due to the proximity of domestic and irrigation water wells near the site, the 2018 water quality results were compared to the following applicable guidelines and standards:

 Guidelines for Canadian Drinking Water Quality Maximum Acceptable Concentration (health- based guideline) (GCDWQ MAC) and Aesthetic Objective (based on aesthetic considerations) (GCDWQ AO) (Health Canada 2017); and  B.C. Contaminated Sites Regulation, Schedule 6, Generic Numerical Water Standards for Drinking Water (CSR DW) and Irrigation (CSR IW) (MoE 2017).

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February 2019 12 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Table 4 provides a list of exceedances in water quality guidelines relevant to landfill leachate impact. The CSR IW and DW standards are intended to be applied to groundwater within the vicinity of the RDF footprint, and are important when assessing exceedances at monitored locations outside of the landfill.

The procedure for the overall program is that owners of domestic wells are notified by WWAL of any exceedances of the GCDWQ MAC. This year there were no such exceedances in the Salmon Arm program (DMW-1).

Table 4: 2018 Water Quality Exceedances by Guideline Sampling Guideline 2018 Exceedances Location GCDWQ AO Iron (dissolved), Manganese (dissolved) DMW-1 BC CSR IW Manganese (dissolved) GCDWQ AO Iron (dissolved), Manganese (dissolved) IW-1b BC CSR IW Uranium (dissolved) Arsenic (dissolved), Arsenic (total), Boron (total), Nitrate (as N), Nitrate GCDWQ MAC + Nitrite (as N), Nitrate + Nitrite (as N) (calculated), Nitrite (as N) Chloride, Iron (total), Manganese (dissolved), Manganese (total), Sodium GCDWQ AO (dissolved), Sodium (total), Temperature [F] Boron (dissolved), Boron (total), Chloride, Chromium (dissolved), BC CSR IW LP-1 Chromium (total) Arsenic (dissolved), Arsenic (total), Boron (total), Chloride, Cobalt (dissolved), Cobalt (total), Lithium (dissolved), Nickel (total), Nitrate (as BC CSR DW N), Nitrate + Nitrite (as N), Nitrate + Nitrite (as N) (calculated), Nitrite (as N), Sodium (dissolved MW08-05 GCDWQ AO Iron (dissolved), Manganese (dissolved) GCDWQ AO Iron (dissolved), Manganese (dissolved) MW11-06 BC CSR DW Cobalt (dissolved) GCDWQ AO Iron (total) MW16-07 BC CSR IW Uranium (dissolved) BC CSR DW Lithium (dissolved) GCDWQ MAC Nitrate (as N), Nitrate + Nitrite (as N) (calculated), Uranium (dissolved) GCDWQ AO Iron (total), Manganese (dissolved), pH [F] MW95-01 BC CSR IW Boron (dissolved), Uranium (dissolved) Cobalt (total), Lithium (dissolved), Nitrate (as N), Nitrate + Nitrite (as N) BC CSR DW (calculated), Uranium (dissolved) GCDWQ MAC Arsenic (dissolved) GCDWQ AO Iron (dissolved), Manganese (dissolved) MW95-02 BC CSR IW Iron (dissolved), Manganese (dissolved) Arsenic (dissolved), Cobalt (dissolved), Iron (dissolved), Lithium BC CSR DW (dissolved), Manganese (dissolved) MW95-03 BC CSR DW Lithium (dissolved)

[F] = Field Result(s)

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February 2019 13 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

4.3.1 Surface Water Quality Exceedances (Leachate Pond (LP-1)) The following parameters exceeded the federal/provincial drinking water guidelines in 2018: arsenic, boron, nitrate, nitrite, nitrate and nitrite (as N), chloride, iron (total), manganese (total), sodium (total), pH, and temperature. Exceedances of BC CSR irrigation standards include arsenic, boron, chromium, chloride, cobalt, lithium, nitrate, nitrite, nitrate and nitrite (as N), nickel, manganese and sodium. Arsenic was the only new exceedance of the GCDWQ MAC guidelines in 2018 and the number of exceedances was similar to 2017 and historic results.

4.3.2 Groundwater Water Quality Exceedances Similar to previous years, a number of parameters were detected at concentrations above guidelines/standards in 2018.

Off Site Monitoring Locations (DMW-1, IW-1a, IW-1b, and MW16-07) Water quality exceedances were similar to the previous years, with water quality parameters manganese and iron in exceedance of GCDWQ AO. Manganese was also in exceedance of CSR IW at DMW-1 and uranium was in exceedance of the same guidelines/standards at IW-1b and MW16-07. Irrigation well IW- 1a, was not able to be sampled in 2018 due to the pump being non-operational. IW-1a was sampled during the June 2017 sampling event and was in exceedance of GCDWQ AO guidelines for dissolved iron. Dissolved lithium was in exceedance of CSR DW standards at MW16-07. Elevated concentrations of iron, manganese, lithium and uranium are likely naturally occurring, as the concentrations of these parameters at the off-site wells are comparable to the onsite background (ambient) monitoring well (MW08-05).

Onsite Monitoring Locations (MW95-01, MW95-02, MW95-03, MW08-05 and MW11-06) The following parameters exceeded the federal/provincial drinking water guidelines/standards in 2018: manganese (dissolved), iron (dissolved), uranium (dissolved), nitrate, field measured pH and arsenic (dissolved). These exceedances are similar to 2017, with the downgradient wells MW95-01 and MW95- 02 showing a higher number of exceeded parameters compared to wells MW95-03, MW11-06, and MW08-05.

Dissolved uranium was detected above GCDWQ MAC guidelines and CSR IW and DW standards at MW95-01 and dissolved arsenic was detected above guidelines at MW95-02 (Table 4). Similar to 2017, concentrations of dissolved iron and/or manganese were detected above the GCDWQ AO of 0.3 mg/l and of 0.05 mg/l, respectively at all wells except MW95-03 in 2018. The exceedances of manganese are likely naturally occurring; except at MW95-02, which shows manganese 3 times higher than the other monitored locations (Figure 11). Iron and manganese have historically been in exceedance at MW95-03 (2014), but was not detected in 2018. MW95-03 had one measured exceedance in 2018 of the BC CSR DW standard for dissolved lithium, which has exceeded since 2013.

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February 2019 14 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

4.4 Water Quality Trend Analysis from 2002 to 2018 Sampled locations were selected in order to monitor potential receptors surrounding the Salmon Arm RDF. Domestic and irrigation wells DMW-1, IW-1a, IW-1b and MW16-07 monitor the aquifer as the off- site receptor to the northeast and west of the landfill. MW11-06 monitors potential impact north (downgradient) of the leachate holding pond and MW95-03 monitors potential impact from the active landfilling operations at the site. Both MW95-01 and MW95-02 monitoring wells are located along the northern property boundary of the landfill and monitor potential leachate impact flowing off-site towards the Salmon Arm Airport. As noted, on-site well MW08-05 is located upgradient and situated in an area where there is no landfill activity occurring; therefore, this location represents background (ambient) groundwater quality at the site.

The leachate holding pond water chemistry provides a context to further assess the likelihood of leachate impact at the groundwater monitoring wells. Observing a distinct chemical signature for the leachate pond samples can help assess if a similar chemical signature is present at the other monitored locations. See Figure 14 Piper Plot for a geochemical comparison of the monitored locations at the site.

Table 5: Summary Statistics for Select Water Quality Parameters from 2002 to 2018

Number of Sampling Standard Analyte Unit Average Minimum Maximum Count Results with Location Deviation Exceedances

DMW-1 mg/L 0.29 0.11 0.19 0.66 18 0 IW-1a mg/L 8.94 0.83 7.49 10.7 9 0 IW-1b mg/L 8.87 2.33 6.21 14.7 16 0 LP-1 mg/L 258.4 136 62.1 587 21 17 MW08-05 mg/L 7.46 4.6 1.66 17.2 32 0 Chloride MW11-06 mg/L 9.26 1.85 6.91 15.8 26 0 MW16-07 mg/L 9.37 2.39 5.91 13.1 8 0 MW95-01 mg/L 49.84 13.22 4.93 84 61 0 MW95-02 mg/L 44.42 19.82 5.25 91 60 0 MW95-03 mg/L 7.84 4.69 2.5 18.2 60 0

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February 2019 15 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Number of Sampling Standard Analyte Unit Average Minimum Maximum Count Results with Location Deviation Exceedances

DMW-1 μS/cm 470 156 -139 570 18 0 IW-1a μS/cm 631 101 399 765 9 0 IW-1b μS/cm 598 47 520 654 16 0 LP-1 μS/cm 1848 864 153 4004 22 0 MW08-05 μS/cm 658 66 570 934 32 0 Conductivity MW11-06 μS/cm 609 52 510 780 25 0 MW16-07 μS/cm 851 133 670 1037 8 0 MW95-01 μS/cm 1571 215 480 1762 37 0 MW95-02 μS/cm 983 182 593 1390 36 0 MW95-03 μS/cm 705 249 433 1096 35 0 DMW-1 mg/L 4.5 0.3 3.84 4.93 16 0 IW-1a mg/L 6.65 1.04 5.12 7.9 9 0 IW-1b mg/L 5.74 0.71 5.03 7.59 14 0 LP-11 mg/L 227.1 139.6 51.6 557 18 9 MW08-05 mg/L 5.07 0.54 4.01 6.38 32 0 Sodium (dissolved/total) MW11-06 mg/L 4.93 1.45 3.78 10.3 26 0 MW16-07 mg/L 13.5 1 11.9 15.2 8 0 MW95-01 mg/L 26.96 5.46 7.97 35 43 0 MW95-02 mg/L 29.78 16.55 8.19 63.2 42 0 MW95-03 mg/L 6.78 1.9 3.33 13.3 42 0 DMW-1 mg/L 56.2 5.1 50.5 70.2 18 0 IW-1a mg/L 54.4 7.9 41.5 62.5 9 0 IW-1b mg/L 42.3 11.7 19.2 68.6 16 0 LP-1 mg/L 18.7 13.1 4.5 52.1 17 0 MW08-05 mg/L 40 7.3 24.2 61.3 32 0 MW11-06 mg/L 44.8 11.3 36.7 94 26 0 Sulphate MW16-07 mg/L 80.6 23.4 49.9 122 8 0 MW95-01 mg/L 79.4 48.1 <1.0 191 60 0 MW95-02 mg/L 23.2 4.1 12 33.8 60 0

0 MW95-03 mg/L 27.7 14.8 <1.0 65.7 58

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February 2019 16 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Number of Sampling Standard Analyte Unit Average Minimum Maximum Count Results with Location Deviation Exceedances

DMW-1 mg/L <0.01 -- <0.01 <0.01 18 0 IW-1a mg/L 0.15 0.26 <0.010 0.773 4 0 IW-1b mg/L 0.411 0.186 <0.010 0.779 15 0 LP-1 mg/L 21.352 29.427 <0.01 122 18 10 MW08-05 mg/L 0.014 0.031 <0.01 0.18 6 0 Nitrate (as N) MW11-06 mg/L 1.183 3.03 <0.010 15.1 18 1 MW16-07 mg/L 1.224 0.415 0.737 1.76 7 0 MW95-01 mg/L 1.903 4.316 0.01 16.2 32 6 MW95-02 mg/L 0.03 0.083 0.01 0.5 16 0 MW95-03 mg/L 1.789 0.847 <0.010 3.85 58 0 DMW-1 mg/L 0.271 0.192 0.01 0.7 15 7 IW-1a mg/L 1.563 1.194 0.047 2.84 9 7 IW-1b mg/L 0.611 0.723 <0.010 3 12 11 LP-11 mg/L 2.16 2.637 0.08 10.7 18 15 MW08-05 mg/L 0.553 0.322 <0.010 1.3 30 26 Iron (dissolved/total) MW11-06 mg/L 0.945 0.637 <0.010 2.14 23 20 MW16-07 mg/L 0.044 0.034 <0.010 0.103 6 0 MW95-01 mg/L 0.919 1.487 <0.010 9.63 38 26 MW95-02 mg/L 13.248 7.539 <0.010 28.9 41 40 MW95-03 mg/L 1.621 7.329 0.01 41.2 30 2 DMW-1 mg/L 0.256 0.021 0.218 0.291 16 16 IW-1a mg/L 0.1049 0.0441 0.0441 0.148 9 7 IW-1b mg/L 0.0597 0.0274 0.0419 0.15 14 9 LP-11 mg/L 0.6369 1.2916 0.0249 5.34 18 16 MW08-05 mg/L 0.1292 0.0285 0.0333 0.212 32 31 MW11-06 mg/L 0.1447 0.0464 0.0727 0.29 26 26 Manganese (dissolved/total) MW16-07 mg/L 0.08404 0.20422 <0.00020 0.589 7 1 MW95-01 mg/L 0.09678 0.03529 0.00895 0.261 43 42 MW95-02 mg/L 1.89 0.6 0.83 3.84 42 42

2 MW95-03 mg/L 0.02005 0.07719 <0.00020 0.385 33

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February 2019 17 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Number of Sampling Standard Analyte Unit Average Minimum Maximum Count Results with Location Deviation Exceedances

DMW-1 mg/L 0.00317 0.00018 0.00285 0.00354 16 0 IW-1a mg/L 0.00028 0.00008 0.0005 0.0005 9 0 IW-1b mg/L <0.005 -- <0.005 <0.005 11 0 LP-11 mg/L 0.00353 0.00265 0.0014 0.0119 18 1 MW08-05 mg/L 0.00037 0.00024 <0.0004 0.0009 8 0 Arsenic (dissolved/total) MW11-06 mg/L 0.00038 0.00027 0.0005 0.0012 6 0 MW16-07 mg/L 0.00028 0.00009 <0.0005 0.00051 1 0 MW95-01 mg/L 0.0123 0.03219 0.0005 0.0015 21 0 MW95-02 mg/L 0.02413 0.02851 0.0039 0.0201 37 32 MW95-03 mg/L 0.01228 0.03264 <0.0004 0.0008 3 0 DMW-1 mg/L 4.5 0.3 3.84 4.93 16 0 IW-1a mg/L 6.65 1.04 5.12 7.9 9 0 IW-1b mg/L 5.74 0.71 5.03 7.59 14 0 LP-11 mg/L 227.1 139.6 51.6 557 18 9 MW08-05 mg/L 5.07 0.54 4.01 6.38 32 0 Sodium (dissolved/total) MW11-06 mg/L 4.93 1.45 3.78 10.3 26 0 MW16-07 mg/L 13.5 1 11.9 15.2 8 0 MW95-01 mg/L 26.96 5.46 7.97 35 43 0 MW95-02 mg/L 29.78 16.55 8.19 63.2 42 0 MW95-03 mg/L 6.78 1.9 3.33 13.3 42 0 DMW-1 mg/L 0.000087 0.000041 0.000058 0.000233 16 0 IW-1a mg/L 0.00517 0.00344 0.00265 0.0118 9 1 IW-1b mg/L 0.00891 0.00294 0.00265 0.0124 14 6 LP-11 mg/L 0.00178 0.00113 0.00061 0.00428 18 0 MW08-05 mg/L 0.00644 0.00353 0.00415 0.0205 32 2 Uranium (dissolved/total) MW11-06 mg/L 0.000177 0.000158 0.000059 0.00083 26 0 MW16-07 mg/L 0.00679 0.0016 0.00481 0.0103 8 1 MW95-01 mg/L 0.02446 0.01098 0.00003 0.041 38 37 MW95-02 mg/L 0.00863 0.00275 0.003 0.0145 37 11 MW95-03 mg/L 0.00303 0.00146 <0.00002 0.00545 36 0 Notes: 1= Total Results

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February 2019 18 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

4.4.1 Groundwater Quality Trend Analysis from 2002 to 2018 Overall, MW95-01 and MW95-02 continued to exhibit the highest degree of landfill leachate impact, with elevated conductivity, chloride, sodium, nitrate, TOC, manganese and iron (MW95-02), and sulphate (MW95-01) relative to other sampling locations and relative to background (MW08-05). Several landfill leachate-associated parameters show steady or downward trends (chloride, TOC, manganese) and other parameters show an increasing trend (nitrate, sulphate, arsenic, uranium, and manganese) at one or both locations. MW95-03 exhibits intermediate concentrations of many of these parameters, which suggests leachate impact at this location as well, but to a lesser extent than at MW95-01 and MW95-02. The remaining monitored locations showed similar concentrations to background (MW08-05) levels.

Solution chemistry does appear to be changing at MW95-01, we see a noticeable decline in chloride, however sulphate and nitrate are rising at this location. Further investigation should be made to assess why we see this change in solution chemistry.

Chloride Except for the leachate pond (average 237 mg/l), downgradient monitoring locations MW95-01 and MW95-02 have had the highest chloride concentrations found at the site with average concentrations of 49.84 mg/l and 44.22 mg/l respectively (Table 5). Chloride was elevated at MW95-02 in early late 2005 then decreased until late 2007. The highest concentrations at MW95-02 occurred in August 2011 (91 mg/l) but have since decreased to between 38.3 mg/l and 77.2 mg/l in 2018, with the November sampling event having the highest concentration measured in 2018 of 77.2 mg/l. The trend at MW95-01 was similar to MW95-02 with a peak in concentration at 84 mg/l measured in April 2006; however, concentrations have since steadily decreased to below 35 mg/l in 2018 (Figure 4). MW95-03 was stable and low from 2002 through 2008 with an average value of 7.84 mg/l (Table 5) but has since shown a slight increase in concentration from about 3.96 mg/l (May 2008) to 14.7 mg/l (November 2017). Chloride concentrations measured at MW95-03 decreased slightly in 2018 with measured values of 8.67 mg/l (May) and 5.57 mg/l (November), comparable to the average value (Table 5).

Sample locations MW11-06, IW-1a, and IW-1b exhibited similar chloride concentrations to background (MW08-05) levels at about 9 mg/l (Table 5) and DMW-1 concentrations have remained below background with an average concentration of 0.29 mg/l (Table 5). Interestingly, chloride concentrations at MW08-5 have consistently decreased since early 2011, from approximately 16 mg/l in December 2010 to approximately 1.66 mg/l (November 2018), the lowest recorded value since 2008.

Electrical Conductivity Electrical conductivity (EC) was above 400 uS/cm at all monitored locations. EC concentrations at MW95- 01 remained higher (average 1,571 µS/cm) than at all other groundwater monitoring locations (Figure 5) followed by MW95-02 and MW16-07, with averages of 983µS/cm and 851 µS/cm, respectively. EC values at all monitored wells are relatively stable with some variability observed at the leachate pond and MW95-

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February 2019 19 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

01 (Table 5). Monitoring well MW95-03 was stable and below background between 2008 and 2012 but then shows and increase from May 2013 (520 µS/cm) to May 2015 (1,086 µS/cm), where levels remain constant from 2016 to 2018 around 1000 µS/cm. MW16-07 had a slight spike in electrical conductivity in May 2018 to 1037 µS/cm, the highest recorded measurement, elevated above the average of 851 µS/cm. MW11-06 located on the eastern perimeter of the landfill has an average conductivity of 609 µS/cm, slightly lower than background (MW08-05) with an average of 658 µS/cm (Table 5). All monitoring wells except MW95-01, MW95-02, MW95-03, and MW16-07 had EC levels at or below background with the lowest EC continuously observed at domestic well DMW-1 (499 µS/cm).

Sodium Similar to chloride, elevated concentrations of sodium at the Salmon Arm RDF were elevated at MW95- 01 and MW95-02; however, all remained below guidelines (Figure 6 and Table 5), with exception of LP-1 with average total sodium concentrations of 227.1 mg/l. Sodium concentrations at MW95-01 have been relatively stable with an average value of 30 mg/l; however, concentrations at MW95-02 have shown variability. MW95-02 displayed a large increase from 10 mg/l (August 2009) to 63.2 mg/l (November 2014) before displaying a steep decrease from 41.7 mg/l in May 2015 to 8.19 mg/l in November 2016 (Figure 6). Sodium concentrations remain elevated at MW95-02 in 2018 with measured values ranging between 35.5 mg/l (May) and 49.3 mg/l (November). Sodium concentrations were elevated above background at MW16- 07, with an average concentration of 13.5 mg/l and remain stable for all sampling events in 2018. MW11- 06, MW95-03, DMW-1, IW-1a and IW-1b have been relatively stable and similar to background at around 5 mg/l (Table 5).

Sulphate Concentrations of sulphate at MW95-01 have historically been elevated above background and all other monitored locations; however, in 2018, MW16-07 had the highest average concentration of 80.6 mg/l (Table 5). MW16-07 had a spike in sulphate concentrations in May 2018 with a value of 122 mg/l, the highest recorded concentration. Concentrations at MW16-07 decreased for the remaining two sampling events in 2018 to 74.4 mg/l (September) and 49.9 mg/l (November). MW95-01 has the second highest concentrations at the site in 2018 with an average concentration of 79.4 mg/l (Table 5). This trend at MW95-01 continued in 2018 with the September and November sampling events displaying elevated concentrations of 174 mg/l and 179 mg/l, respectively. Concentrations at sampling locations MW95-02 and MW95-03 have historically been similar, remaining below background with average concentrations of 23.2 mg/l (MW95-02) and 27.7 mg/l (MW95-03). Concentrations at MW95-03 increased above background levels from 2016 to 2018, with concentrations measured in 2018 around 65 mg/l (Figure 7). Sulphate concentrations at DMW-1, IW-1a, IW-1b and MW11-06 appear temporally variable and slightly above or near background (40 mg/l), typically ranging between 40 mg/l and 70 mg/l. Both MW11-06 and IW-1b peaked in May 2014 but have since dropped back to average levels with IW-1b having the lowest recorded concentration of 19.2 mg/l measured in November 2018.

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February 2019 20 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Nitrate Nitrate concentrations were slightly elevated above background at locations MW95-02, MW95-03, MW16-07, and MW11-06 with averages of 1.9 mg/l, 1.8 mg/l, 1.2 mg/l, and 1.2 mg/l, respectively. At MW11-06 concentrations remained below 3.5 mg/l until May 2014, when they peaked to 15.1 mg/l, exceeding the GCDWQ MAC guideline of 10 mg/l. Concentrations at MW11-06 have since decreased to 3.56 mg/l in May 2018, with the September and November 2018 sampling events below detection limits (<0.010 mg/l). Concentrations at MW95-01 have historically been stable and low (similar to background), until November 2010 when nitrate concentrations began to fluctuate (remaining below 1.0 mg/l). Nitrate at MW95-01 have increased by an order of magnitude in 2016 and 2017 to the highest recorded levels of 12.1 mg/l in November 2016 and 16.3 mg/l in August 2017 (Figure 9). Nitrate concentrations measured in 2018 remain elevated; however, they have come down from the 2016 /2017 levels, with values of 15.7 mg/l and 10.5 mg/l measured in May and September, respectively.

Elevated above background for many years yet below 2 mg/l, MW95-03 nitrate concentrations have gradually escalated over the last few years, as seen on Figure 9, rising above 2 mg/l in 2014 and approaching 4 mg/l in 2018, with a concentration of 3.74 mg/l measured in September 2018. The increase closely coincided with the more dramatic rise seen at MW95-01. Average concentrations at the remaining sample locations at Salmon Arm RDF are all low (<0.5 mg/l). Concentrations at IW-1b and IW-1a were elevated above background with average concentrations of 0.41 mg/l and 0.15 mg/l respectively (Table 5). Nitrate at DMW-1 (<0.01 mg/l) and MW95-02 (0.03 mg/l) is similar to background MW08-05 (0.02 mg/l) and has remained relatively stable throughout the dataset analyzed.

Dissolved Metals The highest concentrations of iron at the Salmon Arm RDF are typically found at MW95-02, where values have shown a steady increase over-time from 1.18 mg/l in 2002 to 26.5 mg/l in May 2014. Iron decreased drastically in August 2015 to record low levels (0.045 mg/l) and increased to around 10 mg/l in late 2015 and 2016. Concentrations at MW95-02 remain elevated throughout 2017 and 2018, with measured concentrations ranging between 17.4 mg/l (August 2017) and 13.9 mg/l (November 2018). Iron concentrations peaked at MW95-01 in 2014 but have since steadily decreased to historical levels and were below background concentrations in 2017 and 2018 (Figure 10). Monitored locations MW95-03, MW11- 06, DMW-1, and IW-1b remained similar to background (0.5 mg/l) and IW-1a is typically elevated slightly above background (Figure 10). Iron concentrations have increased at background location MW08-5 from 0.43 mg/l in May 2013 to 1.2 mg/l in November 2018.

Dissolved manganese concentrations have increased over time at MW95-02, from 1.4 mg/l in 2002 to 2.1 mg/l in November 2017, with concentrations measured in 2018 remaining stable at 1.95 mg/l (November 2018). Concentrations were elevated at MW16-07 (0.589 mg/l) in May 2016; however, concentrations dropped to 0.0171 mg/l by November 2016 and continue to decline in 2017 and 2018 to 0.00423 mg/l

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February 2019 21 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

(November 2018). Concentrations at all other monitored wells including background well are below 0.3 mg/l and have remained stable since their inception into the monitoring program (Figure 11).

Historically, the highest concentrations of uranium are at MW95-01 (average 0.024 mg/l) with the next highest concentrations at MW95-02, IW-1b and MW16-07 with averages of 0.0086 mg/l, 0.009 mg/l and 0.0068 mg/l, respectively. Both wells MW95-02 and MW95-03 show slight increasing trends since 2008, however, concentrations at MW95-02 stabilized at around 0.01 mg/l in 2011 and were below 0.01 mg/l throughout the 2015 to 2018 sampling events (Figure 12). Concentrations at MW95-01 increased significantly (doubled) from 0.0181 mg/l in November 2013 to 0.0399 mg/l in November 2018. The increasing trends noted for several dissolved metals at MW95-02 (iron, manganese, arsenic, and to a lesser extent uranium) suggests the quality of the water in this well is impacted by landfill activities. MW95-01 is also showing impacts in terms of dissolved metal concentrations; however, to a lesser extent than MW95- 02. The lowest uranium concentrations across the site are at MW11-06 (0.0002 mg/l) and DMW-1 (0.000091 mg/l) and intermediate concentrations at MW95-03, IW-1a, and MW08-5 (background).

Arsenic concentrations at MW95-02, and MW95-03 were stable and elevated at 0.1 mg/l prior to 2007 then concentrations at MW95-02 and MW95-03 decreased by two orders of magnitude to around 0.005 mg/l and have been stable since (Figure 13). MW95-02 also decreased by an order of magnitude but has since been steadily increasing from 0.006 mg/l (2007) to 0.0191 mg/l (November 2018). Arsenic concentrations at MW95-02 remained above guidelines throughout 2016 to 2018 (>0.01 mg/l). The next highest concentrations were at DMW-1 (average 0.003 mg/l) while concentrations at all other wells remain below 0.0010 mg/l.

5. CONCLUSIONS From the environmental monitoring performed at Salmon Arm RDF in 2018, the following conclusions are made:

C1 Consistent with results from previous years, monitoring wells MW95-01, MW95-02, and MW95- 03 continued to show impacts from landfill operations. Further, newly drilled monitoring well MW16-07 showed a low degree of impact from landfill operations. Several landfill leachate- associated parameters are elevated at MW95-01, MW95-02, MW95-03, and to a lesser extent MW16-07 above background and above all other monitoring well locations. Values of arsenic, iron, manganese, and uranium all exceeded the applicable guidelines in 2018. MW16-07, MW95- 01, and MW95-03 showed the highest levels of nitrate at the monitoring wells in November 2018 at 1.67 mg/l, 9.09 mg/l, and 3.43 mg/l, respectively.

C2 Parameter exceedances for iron and manganese at IW-lb, DMW-1, MW08-5, and MW11-6 are like previous years. Both iron and manganese are naturally occurring at the off-site monitored locations and at MW08-5 (ambient groundwater quality at the site).

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February 2019 22 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

C3 MW95-03, which is located within the landfill boundary, showed evidence of slightly increased impact; specifically, we noted an increase in conductivity, chloride, sulphate, and nitrate. The perceived impact at MW95-03 could be due to the bio-solids composting occurring near MW95- 03.

C4 DMW-1, IW-1a, IW-1b, and MW08-05 continued to have the lowest concentrations of landfill leachate associated parameters. The general lack of increasing trends, combined with the relatively low concentrations of iron, manganese, sulphate, sodium, and chloride at these locations suggest that landfill leachate impact at these locations is unlikely.

6. RECOMMENDATIONS Based on the results of the 2018 monitoring program the following recommendations are provided:

R1 Continue to monitor the leachate pond, along with the existing on-site and off-site monitoring, domestic, and irrigation wells in 2019.

R2 Consider engaging the City of Salmon Arm to discuss assessing potential impact from the historic land use (landfilling) below the Salmon Arm Airport on groundwater quality as it migrates past the old landfilling site, toward Shuswap Lake.

R3 Further investigate the cause of notable increases in nitrate, sulphate and dissolved uranium at MW95-01.

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February 2019 23 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

REFERENCES

American Public Health Association (APHA). 1998. Standard methods for the examination of water and wastewater. Washington, D.C., Environmental Federation.

British Columbia Ministry of Environment (MoE), Lands and Parks. 1996. Guidelines for Environmental Monitoring at Municipal Solid Waste Landfills, 1996.

British Columbia Ministry of Environment, Lands and Parks (MoE). 1998. Guidelines for Interpreting Water Quality Data Version 1. Prepared for the Land Use Task Force Resources Inventory Committee. Accessed on-line at: http://vvvvw.ilmb.gov.bc.ca/risc/pubs/aquatic/interp/index.htm

British Columbia Ministry of Environment (MoE). 2001. Ambient Water Quality Guidelines for Organic Carbon. Prepared pursuant to the Section 2(e) of the Environmental Management Act, 1981.

British Columbia Ministry of Water, Land and Air Protection (MWLAP) 2004. Protocol 9 for Contaminated Sites Determining Background Groundwater Quality. Issued January 2004. http://vvvvw.env.gov.bc.ca/epd/remediation/policy_procedure_protocol/protocols/pdf/protocol_9.p df.

British Columbia Ministry of Environment (MoE). 2006. Operational Certificate MR-05479

British Columbia Ministry of Environment (MoE). 2013. British Columbia Field Sampling Manual for Continuous Monitoring and the Collection of Air, Air-Emission, Water, Wastewater, Soil, Sediment, and Biological Samples. 2013 Edition. http://vvvvw.env.gov.bc.ca/air/wamr/labsys/field_man_03.html

British Columbia Ministry of Environment (MoE). 2016. Landfill Criteria for Municipal Solid Waste, Draft Second Edition. June 2016.

British Columbia Ministry of Environment (MoE). 2015. British Columbia Working Water Quality Guidelines. British Columbia Ministry of Environment. Updated May 2015. http://www2.gov.bc.ca/gov/content/environment/air-land-water/water/water-quality/water- quality-guidelines/approved-water-quality-guidelines

British Columbia Ministry of Environment (MoE). 2017. British Columbia Approved Water Quality Guidelines. British Columbia Ministry of Environment. Updated January 2017. http://www2.gov.bc.ca/gov/content/environment/air-land-water/water/water-quality/water- quality-guidelines/approved-water-quality-guidelines

British Columbia Ministry of Environment (MoE). 2017. Water Resources Atlas of British Columbia. http://vvvvw.env.gov.bc.ca/wsd/data_searches/wrbc/index.html. (accessed February 20, 2017).

British Columbia Ministry of Environment (MoE). 2017. Contaminated Sites Regulation: BC CSR, Schedule 3.2, Generic Numerical Water Standards for (2017 and updates).

| #106 – 5145 26th Street, Vernon, B.C. V1T 8G4 | P:1.250.541.1030 |Prince George | Victoria | www.westernwater.ca |

February 2019 24 CSRD – Annual Environmental Monitoring Report – Salmon Arm RDF 14-024-13

Christensen T.H., P.Kjeldsen, P.L. Bjerg, D.L. Jensen, J.B. Christensen, A.Baun, H. Albrechtsen, G. Heron. 2001. Biochemistry of landfill leachate plumes. Applied Geochemistry. 16(659-718). http://engineer ingonline.ncsu.edu/onlinecourses/coursehomepages/fal12007/Christen_ApplGeochem.pdf

Environment Canada. 2013. Canadian Climate Normals. http://climate.weather.gc.ca/climate_normals/

Fulton, R.J. 1995. Surficial Materials of Canada, Geological Survey of Canada. Map 1880A, scale 1:5,000,000

Gartner Lee Limited (GLL). 1996. Design and Operations Plan (not reviewed directly, referenced in SHA 2008 report).

Health Canada (2017). Guidelines for Canadian Drinking Water Quality—Summary Table. Water and Air Quality Bureau, Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario. Accessed on-line: https://www.canada.ca/content/dam/hc-sc/migration/hc-sc/ewh- semt/alt_formats/pdf/pubs/water-eau/sum_guide-res_recom/sum_guide-res_recom-eng.pdf

Sperling Hansen Associates (SHA). 2008. Salmon Arm Landfill Water Quality Reports 2007 Final. March 2008. Prepared for CSRD.

Summit Environmental Consultants Inc. (Summit). 2010. Statistical assessment in support of reducing the number of annual groundwater samples required at the Columbia Shuswap Regional District Refuse and Disposal Sites. Prepared for Columbia Shuswap Regional District.

Summit Environmental Consultants Inc. (Summit). 2012. 2011 Annual Environmental Monitoring - Salmon Arm Refuse Disposal Site, Salmon Arm, B.C. Prepared for the Columbia Shuswap Regional District.

Summit Environmental Consultants Inc. (Summit). 2014. 2013 Annual Environmental Monitoring - Salmon Arm Refuse Disposal Site, Salmon Arm, B.C. Prepared for the Columbia Shuswap Regional District.

Western Water Associates Ltd. (WWAL). 2014 – 2017 Environmental Monitoring Reports, Salmon Arm Refuse Disposal Site (MR-05479 ), Salmon Arm, B.C. File. 14-024-13. Reports prepared for the Columbia Shuswap Regional District.

| #106 – 5145 26th Street, Vernon, B.C. V1T 8G4 | P:1.250.541.1030 |Prince George | Victoria | www.westernwater.ca |

Figures Project Site Locations

0 2.5 5

Approximate Scale in Kilometers

TITLE Columbia Shuswap Figure 1: General Project Site Location, Salmon Arm, B.C. Regional District

DATE PROJECT NO. DRAWN MJ March 2019 14-024-13

CHECKED SCALE DWG. NO. BRM See Figure n/a

REVIEWED FILE NO. FIGURE REV. NO. DG DMW-1 (WTN:80317) Figure 2 - CSRD Salmon Arm RDF.

Legend 35114

Monitoring Well

Irrigation Well

Landfill Gas Well DMW-1

Groundwater Well

MW95-01 Grab Sample Location BC Mapped Groundwater Aquifer Landfill Boundary MW95-02 IW-1a

IW-1b

MW11-06

109 IIIC (10) MW16-07

MW95-03 LP-1

0 50 100 200 Meters

Reference Client: CSRD Project Number: 14-024-13 Date: September 13, 2016 Drawn by: Nathan Whitling Checked by: Bryer Manwell Digital data and orthophotos provided by CSRD and MOE Coordinate System: NAD 83 UTM Zone 11 Key Map

MW08-05

Source: Bing Figure 2b - CSRD DMW-1 (WTN:80317) Salmon Arm RDF Water Level August 2016.

35114 Legend

Monitoring Well

Irrigation Well

Landfill Gas Well DMW-1

Groundwater Well Grab Sample Location MW95-01 BC Mapped Groundwater Aquifer Landfill Boundary

504 504 MW95-02 Water Level Contour IW-1a

504.25

IW-1b 504.5

505 504.75

MW11-06

505.5 505.25 109 IIIC (10) 505.75 MW16-07 506

506.25

506.5

506.75 MW95-03 LP-1

0 50 100 200 Meters

Reference Client: CSRD Project Number: 14-024-13 Date: September 13, 2016 Drawn by: Nathan Whitling Checked by: Bryer Manwell Digital data and orthophotos provided by CSRD and MOE 505.25 Coordinate System: NAD 83 UTM Zone 11 Key Map

504.75

505 504.5 MW08-05

Source: Bing TITLE Columbia Shuswap Figure 4: Chloride (Top) and Chloride for Leachate Pond (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DRAWN RA DATE March 2019 PROJECT NO. 14-024-13

SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 5: Conductivity (Top) and Conductivity for Leachate Pond (Bottom) Time Series Regional District Plots, Salmon Arm RDF

DRAWN RA DATE March 2019 PROJECT NO. 14-024-13

SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 6: Dissolved Sodium (Top) and Total Sodium, (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 7: Sulphate (Top) and Sulphate for Leachate Pond (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DRAWN RA DATE March 2019 PROJECT NO. 14-024-13

SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 8: TOC (Top) and TOC for Leachate Pond (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DRAWN RA DATE March 2019 PROJECT NO. 14-024-13

SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 9: Nitrate (Top) and Nitrate for Leachate Pond (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 10: Dissolved Iron (Top) and Total Iron (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 11: Dissolved Manganese (Top), Modified Dissolved Manganese (without MW09-02) Regional District (middle) and Total Manganese (Bottom) Time Series Plots, Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 12: Dissolved Uranium (Top) and Total Uranium (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13

CHECKED SCALE DWG. NO. BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 13: Dissolved Arsenic (Top) and Total Arsenic (Bottom) Time Series Plots, Regional District Salmon Arm RDF

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. TITLE Columbia Shuswap Figure 14: Piper Plot (average values for the full dataset) Regional District

DATE PROJECT NO. DRAWN RA March 2019 14-024-13 SCALE DWG. NO. CHECKED BRM n/a n/a REVIEWED DG FILE NO. FIGURE REV. NO. Appendix A

Operational Certificate – MR-00514 Thompson and Cariboo Regions MINISTRY OF ENVIRONMENT Env¡ronmental Protection M 1259 Dalhousie Drive Kamloops, BC V2C 525 ^BRrnsn Telephone: (250) 371.6200 LOLUMBIA Fax: (250) 8284000

OPERATIONAL CERTI FICATE

MR-05479

Under the provísions of the Envíronmental Management Act, and in accordance with the approved Columbia Shuswap Regionat District So/rd Waste Management Plan, the

ColuvrBIA Snuswt p REGIoNAL DrsrRrcr

Box 978 781 Marine Park Drive NE Salmon Arm British Columbia vlE 4P1

is authorized to manage municipal solid waste and discharge residual solid waste to the ground at a. sanitary landfill facility located in Salmon Arm, British Columbia" subject to the conditions listed herein. Contravention of any of these conditions is a violation of the Environmental Management Act and may result in prosecution.

This Operational Certificate supersedes all previous versions of the Permit PR-05479 issued under the authority of the Environmental Management Act.

Date Issued: July 25, 1979 Date Amended: December 19,2006 (most recent) For Dircctor, Environmental Management Act Thompson and Cariboo Region Page: I of 13 OPERATIONAL CERTIFICATE NO.: MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

1. AUTHORIZED DISCHARGE

This authorization applies to the discharge of solid waste to a sanitary landfill known as the Salmon Arm landfill.

1.1 The works authorized are a sanitary landfill and related appurtenances located approximately as shown on the attached Site Plan A.

1.2 The maximum quantity of waste discharged shall not exceed the design capacity of the landfill as specified in the approved Design and Operations Plan. The final footprint and profile of the discharged waste shall be within that specified in the Design and Operations Plan, and roughly as shown on the attached Site Plan A.

1.3 The authorized discharge is municipal solid waste as defrned in the Environmental Management Act and other waste as may be authorized by the Director.

1,4 The legal description of the location of the authorized landfill facility is Lot 1, Plan 45716, Section 7, Township 20, Range 9, West of the Sixth Meridian, Kamloops Division of the Yale District.

1.5 The civic address of the property is 4290 20th Avenue SE.

,, DESIGN AND PERFORMANCE REOUIREMENTS

2.1 Desisn and Onerations Plan

The Operational Certificate holder shall prepare and maintain a current Design and Operations Plan. The Plan shall be reviewed and updated as needed at least once every five years. The Plan must address, but not be limited to, each of the subsections in the Landfill Critería þr Municipal Solid lIlaste including performance, siting, design, operational, closure and post-closure criteria. The facilities must be developed, operated and closed in accordance with the Plan. Should there be any inconsistency between this Operational Certificate and the Plan, this Operational Certificate shall take precedence. An updated Design and Operations Plan shall be submitted to the Director for approval by August3l,2007.

2,2 Oualified Professionals

All facilities and information, including works, plans, assessments, investigations, surveys, programs and reports, must be certified by qualified professionals.

Date Issued: July 25, 1979 Date Amended: Dccember 19, 2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page:2 oî t3 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

2.3 Maintenance of Works and Emergencv Procedures

The Operational Certificate holder shall inspect the landfill, any related pollution prevention works and designated areas for managing recyclable or reusable materials regularly and maintain them in good working order. In the event of an emergency or condition beyond the control of the Operational Certificate holder which prevents continuing operation of the authorized works and/or the continued performance of the prescribed methods of operation, the Operational Certificate holder shall immediately notify the Director and take appropriate remedial action.

2.4 Additional Facilities or Works

The Director may require investigations, surveys, and the construction of additional facilities or works related to the landfill operation. The Director may also revise the requirements of any of the information required by this Operational Certificate including plans, programs, assessments and reports.

2.5 Public Health. Safetv and Nuisance

The landfill shall be operated in a manner such that it will not create a public nuisance or become a significant threat to public health or safety with respect to landfill gas, unauthorized access, roads, traffic, airport activity, noise, dust, litter, vectors, or wildlife attraction.

2.6 Surface'WaterDiversion

Discharge of municipal solid waste into water is prohibited. The Operational Certificate holder shall construct adequate surface water and groundwater diversion works to minimize surface water run-off and groundwater seepage from entering the landfill.

2.7 Ground and Surface Water Oualitv Imnairment

The landfill shall be operated in a manner such that ground or surface water quality does not decrease beyond that specified by the British Columbia Water Quality Guidelines, or other appropriate criteria as may be specified by the Director, at or beyond the landfill property boundary.

If exceedances to the specified water quality criteria occur as a result of landfill operations, the Director may require that leachate management control measures or works be undertaken. Terms of reference for any leachate management study and/or design work shall be submitted to the Director for review prior to conducting the work.

Date Issued: July 25, 1979 Date Amended: December 19,2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page: 3 of 13 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

2,8 Landfill Gas Management .

The Landfill shall not cause combustible gas concentrations to exceed the lower explosive limit in soils at the property boundary or 25%o of the lower explosive limit at or in on-site or ofÊsite structures..

An estimate of the emissions of non-methane organic compounds (NMOCs) has been carried out in accordance with the Landfill Criteriaþr Municipal Solid Waste. It was determined that the emissions of NMOCs are currently well below the 150 tonnes/year threshold, and as such, landfill gas recovery and management systems are not required at this time for NMOC emissions control. The Director may require an updated landfill gas emissions assessment in the future.

Because there are no natural landfill gas migration baniers at and around the Salmon Arm landfill, and since there are several buildings within 300 metres of the fill zone of the landfill, a landfill gas management program is required at this site as outlined in the Design and Operations Plan Landfill gas monitoring and management at the Salmon Arm landfill is further complicated by the presence of an adjacent DLC landfill operation to the west and historic municipal solid waste landfrll cells on the adjacent City-owned airport land to the north and east of the current Salmon Arm landfrll property. Therefore, it is essential that an appropriately qualified professional oversee the landfill gas management program at this site. The Director may require revisions to the landfill gas management program where warranted.

2.9 Pronertv Boundarv

A 50 metre property boundary setback, including a 15 metre wide swath of trees, ' shall be maintained around the perimeter of the landfill property as shown in Site Plan C.

2,10 Bird Control

The Director may require bird control measures acceptable to Transport Canada to minimize the potential for birds causing ahazardto aircraft.

3. OPERATIONAL REOUIREMENTS

3.1 Waste Denosition and Compaction

Waste shall be spread on the working face in layers of 0.6 metre thickness or less and compacted. The working face shall not exceed a vertical height of 3 metres.

a¡ Date Issued: July 25,1979 Gardner, AScT, Eng.L Date Amended: December 19,2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page: 4 of l3 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

3.2 Dailv Cover

A compacted layer of cover material of at least 0.15 metre of soil or functionally equivalent alternate cover material, as authoiized by the Director, is to be placed on all exposed solid waste by the end of each day of operation. During periods of extreme weather conditions, such as fhose that cause the ground to freeze, a reduction to the normal cover frequency may be allowed in writing at the discretion of the Director.

3.3 Intermediate Cover A compacted layer of cover material of at least 0.30 metre of soil is to be placed on areas of the landfrll where waste disposal will not occur for a period exceeding a further 30 days.

3.4 Final Cover

Completed portions of the landfill are to progressively receive final cover during the active life of the landfill in accordance with the Design and Operations Plan.

3.5 Prohibited Wastes

The disposal of the following types of wastes is strictly prohibited:

(a) Hazardous Wastes other than those specifically approved for disposal to authorized landfills in the Hazardous lV'aste Regulation under the Environmental Management Act

(b) Biomedical wastes as defrned in the Guidelines for the Manaeement of Biomedical Wastes in Canada (Canadian Council of Ministers of the Environment, February 1992)

(c) Bulk liquids and semi-solid wastes, which contain free liquids, as determined by US EPA Method 90954 Paint Filter Liquids Test, Test Methods for Evaluating Solid Wastes-Physical/Chemical Methods (EPA Publication No. Sw-846).

3.6 \ilaste Asbestos

Notwithstanding the requirements of subsection 3.5, the disposal of waste asbestos in compliance with the requirements of Section 40 of the Hazardous ll'aste Regulationunder the Environmental Management Act is hereby approved.

3.7 Contaminated Soil

Soil that contains contaminants in concentrations less than "hazardous waste" as defined by the Hazardous Waste Regulation may be

Datc Issued: Iuly25, 1979 Gardner, AScT, Eng.L Date Amended: December 19,2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page: 5 of 13 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

Disposal includes monofilling, co-disposal with other wastes, and use as daily or intermediate cover material. Disposal does not include use as final cover material.

3.8 Ozone Denletins Substances

Release of ozone depleting substances from the storage, handling and disposal of used appliances, equipment, or any material containing ozone depleting substances is prohibited in accordance with the requirements of the Ozone Depleting Substances Regulation

3.9 Wildlife and Vector Control

Vectors (carriers capable of transmitting a pathogen from one organism to another including, but not limited to flies and other insects, rodents, and birds) shall be controlled by the application of cover material at the required frequency or by such additional methods as specified by the Director. The Director may require the installation of a bear-proof electric fence.

This landfill shall be operated so as to minimize the attraction of wildlife such as bears and birds by applying cover at required frequencies and instituting a good housekeeping program.

3.10 Site Access and Supervision

A suitably trained landfill operator, familiar with the requirements of the Operational Certificate and the specifications of the Design and Operations Plan, shall be present at all times during operating hours.

Locking gates shall be maintained at all access routes to the landfill site. Gates, perimeter fencing and/or barriers shall be installed where necessary to prevent unauthorized access to the site by vehicles. Gates shall be locked during non- operating hours.

3.11 Dust Control

Dust created within the landfill property shall be controlled, using methods and materials acceptable to the Director, such that it does not cause a public nuisance.

3,12 Litter Control

Litter shall be controlled by compacting the waste, minimizing the work face area, applying cover at the required frequencies, providing litter control fences and instituting a regular litter pickup and general good housekeeping program or as specified by the Director.

Date Issued: July 25, 1979 Date Amended: December 19,2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page: 6 of 13 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

3.13 Waste Reduction and Alter4ate Disnosal

The Provincial Govemment has developed policies to promote the reduction, reuse and recycling of wastes. The Operational Certificate holder is encouraged to segregate for recycling and reuse, where possible, materials destined for disposal at this site.

Public scavenging shall not be permitted at the landfill. The controlled salvaging of waste by the landfill operator or persons authorized by the Operational Certifrcate holder is encouraged ifareas or facilities for separation and storage ofrecyclable or reusable materials are provided.

ln certain landfill environments, some construction and demolition debris or other wastes may create specific air and water quality concerns. If probleins arise at this site that are attributable to specific wastes, the Director may require that alternate disposal/storage procedures be implemented.

3.14 Onerations and Maintenairce Manual

The Operational Certificate holder shall prepare an Operations and Maintenance Manual to be reviewed and updated as necessary on at least an annual basis. A draft Table of Contents shall be submitted to the Director by January 31,2007.

4. MONITORING AND REPORTING REOUIREMENTS 4,1 EnvironmentalMonitoringProeram

The Operational Certificate holder shall submit to the Director an environmental monitoring plan, prepared by a qualified professional, that addresses as a minimum groundwatei and landfill gas monitoring and reporting. Monitoring shall be carried óut in accordance with the plan. The monitoring plan shall be submitted to the Director as part of the updated Design and Operations Plan by August 31,2007 and shall be reviewed annually in the annual report required under Section 4.4. Based on the information submitted in the annual report, or any other information relevant to the site, the Director may vary the frequency, location and analyses of environmental monitoring as warranted.

As recommended in the Design and Operations Plan, the Operational Certificate holder is required to install an additional background groundwater monitoring well or wells prior to the development of phase 2 of the landfill. The location and installation of the background groundwater monitoring well(s) shall be specified and supervised by a qualified professional who is knowledgeable in the frelds of hydrogeology and landfrll impact assessment. Upon completion of the installation, a scaled site location plan indicating the landfill footprint, associated works and all existing monitoring wells shall be submitted to the Director.

Date Issued: July 25, 1979 Date Amended: Dccember 19,2006 (most recent) for Director, Environmental Protection Acl Thompson and Cariboo Region Page: 7 of 13 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

The Operational Certificate holder shall ensure that environmental monitoring devices are adequately secured and maintained, including provisions to ensure protection from damage due to vehicles or vandalism.

The Operational Certificate holder shall maintain records of all monitoring program data and analyses available for inspection.

4.2 Samnlins Technioues

Sampling shall be carried out in accordance with the procedures described in the most recent edition of the "British Columbia Field Sampling Manual for Continuous Monitoring Plus the Collection of Air, Air-Emission, Water, Wastewater, Soil, Sediment, and Biological Samples", or by suitable alternative procedures as authorized by the Director.

A copy of the above manual may be purchased from the Queen's Printer Publications Centre, P. O. Box 9452, Stn. Prov. Gov't. Victoria, British Columbia, V8w 9V7 (1-800-663-6105 or (250) 387-6409).

Proper care should be taken in sampling, storing and transporting the samples to adequately control temperature and avoid contamination and breakage.

4.3 Analvses

Analyses are to be carried out in accordance with procedures described in the most recent edition of the "British Columbia Environmental Laboratory Manual for the Analysis of Vy'ater, Wastewater, Sediment and Biological Materials", or by suitable alternative procedures as authorized by the Director.

A copy of the above manual may be purchased from the Queen's Printer Publication Centre, P. O. Box 9452, Stn. Prov. Govt. Victoria, British Columbia, V8w 9V7 (l-800-663-610s or (250) 387-6409).

4.4 Annual Renort

The Operational Certificate holder shall submit to the Director an annual report by March 3l each year for the previous calendar year. The annual report shall include but not be limited to:

(a) an executive summary;

(b) the type and tonnage of waste received, recycled and landfrlled for the year;

(c) a current topographic map detailing airspace consumption, on-site bonow pit changes and future developments;

(d) updated estimates for the remaining capacity, closure date for the current phase and closure date for the current landfill footprint;

Date Issued: July25,l979 \ Date Amended: December 19,2006 (most recent) for Director, Environmental Protection Act Thompson and Cariboo Region Page: 8 of l3 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BR¡TISH COLUMBIA Protection

(e) a statement of the current dollar value of the Closure Fund and the amount earmarked for the Salmon Arm Landfill site; (Ð any proposed changes from the .Design and Operations Plan and the environmental monitoring. program;

(g) an operations update which summarizes landfill development work completed in the subject reporting year and work planned for the subsequent year;

(h) occunences or observations of wildlife (medium and large camivores) at the facility;

(i) a statement regarding the facility's progress in reducing the regional solid waste stream, in accordance with the hierarchy of reduce, reuse and recycle principles; and, O the results of all monitoring programs as specified in this Operational Certifrcate. Data interpretation and comparison to the performance criteria in the Land/ìll Criteria þr Municipal Solid Iïaste and the Guidelines þr Environmental Monitoring and Municipal Solid lI/aste Land/ìlls. Trend analyses, as well as an evaluation of the impacts of the discharges on the receiving environment in the previous year shall be canied out by a qualifred professional.

5. CLOSURE AND POST-CLOSURE REOUIREMENTS

5.1 Closure Plan

The Design and Operations Plan, dated February 2001, contains sufficient closure planning information for Ministry purposes at this time. A more detailed Closure Þlan, that satisfies the information requirements outlined in Section 8.1 of the British Columbia Landfill Criteria for Municipal Solid Waste, dated June 18, 1993, shall be submitted to the Director at least I year prior to the anticipated closure date. Based on waste disposal and population growth rate estimates, landfill site closure is currently forecast for 2078.

5,2 Closure Fund

The Operational Certificate holder shall provide for the funding of progressive closurè operations, final closure and beyond closure by maintaining a closure fund. The value of the closure fund shall meet or exceed the estimated closure and post-closure costs as established in the approved Design and Operations Plan and updated in the annual report, plus a reasonable contingency for any remediation which may be required.

The Operational Certificate holder shall determine and ensure that the closure fund is adequate by preparing annually a financial statement of the fund which shall be made available to the Director upon

Date Issued: July 25,1979 Gardner, AScT, Eng.L Date Amended: December 19,2006 (most recent) for Director, Environnenlal Protection Act Thompson and Cariboo Region Page: 9 of t3 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF Environmental BRITISH COLUMBIA Protection

shall report the accrued capital, interest and additions to the fund for the previous year and review the sufficiency ofthe fund and the rate ofaccrual in consideration of the projected costs of closure and post-closure obligations.

5.3 Site Decommissionins

In accordance with Section 40 of the Environmental Management Act andPart2 of the Contaminated Sites Regulation, the Operational Certifrcate holder shall submit a site profile to the manager at least 10 days prior to decommissioning the facilities authorized in Section l.

5.4 Declaration of Landfill

Landfills sited on titled land must register a covenant that the property was used for the purpose of waste disposal as a charge against the title to the property as provided for under Section 215.1 of the Land Title Act. Landfills located on crown land are to have a "notation on file" registered that the property was used for the purpose of waste disposal.

5.5 Buildinss and Structures

The construction of buildings and other structures on landfills containing putrescible wastes is not recommended for a minimum period of 25 years after closure due to concerns about combustible gas and excessive settlement. Such activity will only be considered and /or authorized after an investigation and report by qualified persons. The report is to be submitted for authorization to the Director prior to initiating construction activities.

Date Issued: Iuly 25,1979 Date Amended: December 19,2006 (most recent) for Director, Environmental Proleclion Act Thompson and Cariboo Region Page: l0 of13 OPERATIONAL CERTIFICATE NO. : MR-05479 PROVINCE OF BRITISH COLUMBIA E n v iro n m e ntal P rote ctio n S'TE PLAN A

Operational Certificate: MR-5479

[)EC192000 û Date: Plon K4P63580 @

For Director, Environmental Manaçment Act

I

I \ Salmon Arm Landfill Exbting Site TopograPhY December 20,2004

Lot 1 Plon 34560 Scale: N.T.S. a PROVINCE OF BR.T'SH COLUMBIA E nv iro n me n ta I P rote ctio n t

Lnfrûat Operational Certificate: MR-5479

DEC 19 m06 Date:

Larry Gardner For Dircctor, Environmental Manaçment Act

STTE PLAN B Srlmon An Location Map Srnitery Lmdfill Scale: l:25,000 PROVINCE OF BRITISH COLUMBIA E nv iro n men tal P rcte ctio n

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Operational Certificate: MR-5479 Ã-4 - t)EC19t00û

For Dr'rector, Envimnmental Manaçment Act

Scale: N.T.S.

Appendix B

Well Logs

TH-1 TH-1 TH-1 TH-2 TH-2 TH-3 TH-3

Project No: 713000601 Test Hole / Borehole I.D.: TH-5

Well I.D.: MW-5 Client: CSRD Location on site: South of the Landfill

Location: Salmon Arm Logged by: MG

SUBSURFACE PROFILE SAMPLE

Well Completion Details / Well Details Description I.D. Remarks Depth Symbol Type Flag for analysis ft m Ground Surface 0 0 jplug Brown,silty f. sand, very loose,dry 10

20 Bentonite

30 10 40

50 Solid PVC Backfill 60 Brown, f. to m. sand, very loose, 20 70 dry Brown, layers of silt and sand, 80 moist Brown, f. to m., trace silt, coarse 90 sand, very loose, dry

Brown, f. sand, trace silt,very loose, 30.93m Nov 15/08 100 30 dry clay, moist, dense 110 Brown, fine sand, trace silt, very loose, dry 120

130 40

140 Grey-brown, silty sand, some clay,damp 150 Grey-brown, fine sand, some silt, damp 160 50 170 Grey-brown, fine sand, some silt, 180 trace clay, damp,clumpy Grey, fine sand, dense, wet 190 60

200 End of Borehole Screen 10/20 Sand Contractor: Derex Drilling Date: September 8/2008 Operator(s): Martin Time: Drill Method: Water Well Rig with Odex Temperature: 15C Ground conditions: bare Sheet: 1 of 1 Test Hole / Borehole I.D.: TH-6 Project No: 2010-8835.010 Well I.D.: TH-6 Client: CSRD Location on site: North of stormwater infiltration pond Location: Salmon Arm Refuse Disposal Site Logged by/ Checked by: CDH Northing/ Easting: 0 Elevation: 0 SUBSURFACE PROFILE SAMPLE WELL

Description I.D. Well Details Well Completion Depth Symbol Type flag for analysis

ft m -3 TOC = 0.71 maGL TOPVC = 0.64 maGL Ground Surface SAND 3.0m (10') of 150mm (6") Brown m sand, tr. silt, micaceous diameter casing left in hole TH6@5' for well head protector between (-0.7) -2.1m (2.5' 7 above ground to 7' below ground). TH6@10' surface seal: (-0.3) - 4.9m (1' above ground to 16' LANDFILL GARBAGE below ground) including shredded paper and TH6@15' 17 plastic SILTY SAND TH6@20' Brown silty v.f sand

CLAYEY SILT Brown clayey silt (return = TH6@25' 27 saturated silt w/ clay balls) TH6@30'

10 bentonite seal: 9.1-10.7m (30-35') TH6@35'

37 SILT Brown silt w/ some v.f sand, some- tr. clay balls

47

SANDY SILT sandier, less clay

57 bentonite seal: 16.8-18.3m (55-60') TH6@60'

Contractor: Integrety Drilling Date: Aug. 23, 2011 Operator(s): Darrel Wangler Time: Drill Method: Air Rotary Temperature: Ground conditions: silty/clayey at depth Sheet: 1 of 2 Test Hole / Borehole I.D.: TH-6 Project No: 2010-8835.010 Well I.D.: TH-6 Client: CSRD Location on site: North of stormwater infiltration pond Location: Salmon Arm Refuse Disposal Site Logged by/ Checked by: CDH Northing/ Easting: 0 Elevation: 0 SUBSURFACE PROFILE SAMPLE WELL

Description I.D. Well Details Well Completion Depth Symbol Type flag for analysis SILT + SAND Brown silt + v.f sand, tr. clay

SAND Brown v.f-f sand, some silt TH6@70' 71 WT = 23.24 mbtoPVC @ 15:50, Aug 24, 2011

SAND Brown v.f.-f sand TH6@80' 81 bentonite seal: 24.4-25.9m (80-85')

TH6@90' 91 28

TH6@100' 101

bentonite seal: 31.1-32.6m SANDY SILT (102-107') Grey v.f sandy silt SAND TH6@110' 111 Grey f sand, micaceous

TH6@115' screen interval: 33.5- 36.6m (110-120')

silica sand pack: 32.6- TH6@120' 37.2m (107-122') 121

End of Borehole 38

Contractor: Integrety Drilling Date: Aug. 23, 2011 Operator(s): Darrel Wangler Time: Drill Method: Air Rotary Temperature: Ground conditions: silty/clayey at depth Sheet: 2 of 2 Well Number: MW16-07 Client: Mounce Construction Ltd. Project: Mounce Groundwater Assessment Location: Salmon Arm, B.C. Project Number: 16-023-01

Depth Below Symbol Lithology Well Construction Well Completion Details Ground Surface ft m -4 Top of piezometer casing stick-up 0.82 m (2.7 ft). Ground Surface 6 inch (152 mm) diameter steel casing with SAND (SM), lockable cap cemented in place. Continuous with small (<0.5 cm) diameter silt steel casing to 4.6 m (15 ft) below ground balls, fine grain sand, well sorted, surface (bgs). loose,silt balls friable, slightly damp, brown. 2 inch (50 mm) diameter piezometer with J-plug cap. Piezometer to a depth of 40 m (131 ft) bgs. SILTY SAND (SM), fine grain sand, poorly sorted, loose, slightly damp, brown. Bentonite surface seal from 0 - 4.8 m (0-15.8 ft) bgs. 16 SAND (SW), clean, fine grain sand, well sorted, loose, slightly damp, brown.

SAND (SP), Alternating layers - 0.3 m (1 ft) of bentonite with small gravel (approximately seal between 4.5 m (15 ft) of backfill material. 10%), medium grained sand, poorly sorted, loose, slightly damp, brown.

36 CLAY (CL), with sand and small gravel, medium to coarse grain sand, moderately sorted, friable to firm, slightly damp, grey. CLAYEY SILT (ML), with fine grained sand, poor to moderately sorted, loose to friable, slightly damp, brown.

56

SAND (SW), clean fine grained sand, well sorted, loose, slightly damp, brown. 19

Coordinates: E 341914N 5616791 Drilling Contractor: JR Drilling Ltd. Yield: n/a Drilling Method: Air Rotary Elevation: 550 m asl Completion Date: May 31, 2016 Logged By: MJ Well Diameter: 2 inch (50 mm) Drawn By: MJ Checked By: BRM Total Depth: 43 m (141 ft) bgs Well Number: MW16-07 Client: Mounce Construction Ltd. Project: Mounce Groundwater Assessment Location: Salmon Arm, B.C. Project Number: 16-023-01

Depth Below Symbol Lithology Well Construction Well Completion Details Ground Surface

Alternating layers - 0.3 m (1 ft) of bentonite seal between 4.5 m (15 ft) of backfill material.

90

SILTY SAND (SM), fine to medium grain sand, poorly sorted, loose, slightly damp, light brown.

110

Stable water level 36.8 m (121 ft) bgs. SAND (SW), clean fine grained sand, well sorted, loose, moist at 36.6 m (120 ft), wet at 37.8 m (124 ft) bgs, brown Bentonite seal from 38 - 39 m (125 - 128 ft) bgs - May 31, 2016. 130

3 m (10 ft) length screen surrounded by filter 41 sand from 39 -43.1 m (128 - 141.5 ft) bgs. Screened from 40 - 43 m (131 - 141 ft) bgs.

Total well depth 43 m (141 ft) bgs. Total Depth of Borehole

Coordinates: E 341914 N 5616791 Drilling Contractor: JR Drilling Ltd. Yield: n/a Drilling Method: Air Rotary Elevation: 550 m asl Completion Date: May 31, 2016 Logged By: MJ Well Diameter: 2 inch (50 mm) Drawn By: MJ Checked By: BRM Total Depth: 43 m (141 ft) bgs Page 1 of 2

Report 1 - Detailed Well Record

Construction Date: 1995-02-23 00:00:00.0 Well Tag Number: 80317 Driller: M. Schibli Drilling Owner: H & H APARTMENTS LTD Well Identification Plate Number: Plate Attached By: Address: 5091 20TH AVENUE SE Where Plate Attached:

Area: SALMON ARM PRODUCTIONDATAATTIMEOFDRILLING: Well Yield: 75 (Driller's Estimate) U.S. Gallons per Minute WELLLOCATION: Development Method: Land District Pump Test Info Flag: N District Lot: Plan: Lot: Artesian Flow: Township: Section: Range: Artesian Pressure (ft): Indian Reserve: Meridian: Block: Static Level: 74 feet Quarter: Island: WATERQUALITY: BCGS Number (NAD 27): 082L064442 Well: Character: Colour: Class of Well: Water supply Odour: Subclass of Well: Domestic Well Disinfected: N Orientation of Well: EMSID: Status of Well: New Water Chemistry Info Flag: Well Use: Private Domestic Field Chemistry Info Flag: Observation Well Number: Site Info (SEAM): Observation Well Status: Construction Method: Water Utility: Diameter: 6 inches Water Supply System Name: Casing drive shoe: Water Supply System Well Name: Well Depth: 227 feet Elevation: 0 feet (ASL) SURFACESEAL: Final Casing Stick Up: inches Flag: N Well Cap Type: Material: Bedrock Depth: feet Method: Lithology Info Flag: N Depth (ft): File Info Flag: N Thickness (in): Sieve Info Flag: N Screen Info Flag: Y WELLCLOSUREINFORMATION: Reason For Closure: Site Info Details: Method of Closure: Other Info Flag: Closure Sealant Material: Other Info Details: Closure Backfill Material: Details of Closure: Screen from to feet Type Slot Size 219 223 10 223 227 10 0 0 0 0 0 0 Casing from to feet Diameter Material Drive Shoe null null 0 null null GENERALREMARKS: CAPPED

LITHOLOGYINFORMATION: From 0 to 16 Ft. BROWN SILTY CLAY & BROWN SAND LAYERS From 16 to 52 Ft. BROWN FINE SAND From 52 to 110 Ft. BROWN FINE SAND W SILTY CLAY LAYERS From 110 to 190 Ft. GREY SILTY CLAY & SAND From 190 to 205 Ft. GREY SILTY SAND (FINE) From 205 to 215 Ft. GREY SILTY SAND (FINER) From 215 to 230 Ft. GREY (FINE TO MED SAND) From 230 to 238 Ft. GREY SAND (FINE)

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Report 1 - Detailed Well Record

Construction Date: 1976-06-25 00:00:00.0 Well Tag Number: 35114 Driller: Stewart Drilling Owner: AIRPORT Well Identification Plate Number: Plate Attached By: Address: Where Plate Attached:

Area: SALMON ARM PRODUCTION DATA AT TIME OF DRILLING: Well Yield: 10 (Driller's Estimate) Gallons per Minute (U.S./Imperial) WELL LOCATION: Development Method: KAMLOOPS (KDYD) Land District Pump Test Info Flag: District Lot: Plan: A39 Lot: Artesian Flow: Township: 20 Section: 7 Range: 9 Artesian Pressure (ft): Indian Reserve: Meridian: Block: Static Level: 85 feet Quarter: Island: WATER QUALITY: BCGS Number (NAD 27): 082L064441 Well: 1 Character: Colour: Class of Well: Odour: Subclass of Well: Well Disinfected: N Orientation of Well: EMS ID: Status of Well: New Water Chemistry Info Flag: Well Use: Unknown Well Use Field Chemistry Info Flag: Observation Well Number: Site Info (SEAM): Observation Well Status: Construction Method: Drilled Water Utility: Diameter: 4.5 inches Water Supply System Name: Casing drive shoe: Water Supply System Well Name: Well Depth: 150 feet Elevation: 0 feet (ASL) SURFACE SEAL: Final Casing Stick Up: inches Flag: Well Cap Type: Material: Bedrock Depth: feet Method: Lithology Info Flag: Depth (ft): File Info Flag: Thickness (in): Sieve Info Flag: Screen Info Flag: WELL CLOSURE INFORMATION: Reason For Closure: Site Info Details: Method of Closure: Other Info Flag: Closure Sealant Material: Other Info Details: Closure Backfill Material: Details of Closure: Screen from to feet Type Slot Size Casing from to feet Diameter Material Drive Shoe GENERAL REMARKS:

LITHOLOGY INFORMATION: From 0 to 90 Ft. SILT From 90 to 120 Ft. SAND CLAY From 120 to 150 Ft. SAND,HARD FINE,SAND PACKED Return to Main

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Information Disclaimer The Province disclaims all responsibility for the accuracy of information provided. Information provided should not be used as a basis for making financial or any other commitments.

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Report 1 - Detailed Well Record

Construction Date: 1978-07-27 00:00:00.0 Well Tag Number: 40205 Driller: Stewart Drilling Owner: GORDON WOODS Well Identification Plate Number: Plate Attached By: Address: AIRPORT Where Plate Attached:

Area: SALMON ARM PRODUCTION DATA AT TIME OF DRILLING: Well Yield: 9 (Driller's Estimate) Gallons per Minute (U.S./Imperial) WELL LOCATION: Development Method: KAMLOOPS (KDYD) Land District Pump Test Info Flag: District Lot: Plan: 1230 Lot: 18 Artesian Flow: Township: 20 Section: 7 Range: 9 Artesian Pressure (ft): Indian Reserve: Meridian: Block: Static Level: 120 feet Quarter: Island: WATER QUALITY: BCGS Number (NAD 27): 082L064441 Well: 2 Character: Colour: Class of Well: Odour: Subclass of Well: Well Disinfected: N Orientation of Well: EMS ID: Status of Well: New Water Chemistry Info Flag: Well Use: Unknown Well Use Field Chemistry Info Flag: Observation Well Number: Site Info (SEAM): Observation Well Status: Construction Method: Drilled Water Utility: Diameter: 4.5 inches Water Supply System Name: Casing drive shoe: Water Supply System Well Name: Well Depth: 180 feet Elevation: 0 feet (ASL) SURFACE SEAL: Final Casing Stick Up: inches Flag: Well Cap Type: Material: Bedrock Depth: feet Method: Lithology Info Flag: Depth (ft): File Info Flag: Thickness (in): Sieve Info Flag: Screen Info Flag: WELL CLOSURE INFORMATION: Reason For Closure: Site Info Details: Method of Closure: Other Info Flag: Closure Sealant Material: Other Info Details: Closure Backfill Material: Details of Closure: Screen from to feet Type Slot Size Casing from to feet Diameter Material Drive Shoe GENERAL REMARKS:

LITHOLOGY INFORMATION: From 0to 95Ft. SILTYSAND From 95 to 188 Ft. FINE TO MEDIUM SAND Return to Main

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http://a100.gov.bc.ca/pub/wells/wellsreport1.do?wellTagNumber=000000040205&lyr=1... 27/04/2012 Appendix C

Water Quality Database Salmon Arm Refuse Disposal Site Water Quality Results

Legend for Reports for CSRD Refuse Disposal Sites Water Quality Results

< Less than reported detection limit > Greater than reported upper detection limit >= Greater than or equal to A Absent BC CSR DW BC CSR, Schedule 3.2, Generic Numerical Water Standards for Drinking Water (2017 and updates) BC CSR IW BC CSR, Schedule 3.2, Generic Numerical Water Standards for Irrigation (2017 and updates) Calculated guideline or standard. The guideline or standard is dependent on the value of one or more other analytes, and is Calc calculated from a formula or table. GCDWQ AO Guidelines for Canadian Drinking Water Quality - Aesthetic Objectives GCDWQ MAC Guidelines for Canadian Drinking Water Quality - Maximum Acceptable Concentrations L Laboratory reading type (Lab result) m asl metres above sea level N Narrative type of guideline or standard, or Result Note. ND Non-detect. Result is less than lower detection limit. NG No Guideline NR No Result NS No Standard NT Not Tested OG Overgrown P Present PR Presumptive TK Test kit reading type (Field result) TNTC Too numerous to count Highlighted value has a lower detection limit that is greater than the guideline/standard maximum and/or the guideline/standard minimum, or has an upper detection limit that is less than the guideline/standard maximum and/or the guideline/standard minimum. BC CSR DW Highlighted value exceeds BC CSR DW BC CSR IW Highlighted value exceeds BC CSR IW GCDWQ AO Highlighted value exceeds GCDWQ AO GCDWQ MAC Highlighted value exceeds GCDWQ MAC SL Criteria Override Highlighted value exceeds sampling location criteria override

SA WW Report 2018 ‐ RA Legend Page 1 of 1 Salmon Arm Refuse Disposal Site Water Quality Results

Sampling Location DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 Date Sampled 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 25-Nov-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 06-Jun-17 Lab Sample ID 2051005-06 2081860-08 2101386-02 2101386-02 3051597-07 3081785-08 4051475-06 4080587-01 4111440-01 5050773-01 5081150-08 6051472-08 6081298-07 7060568-01 Sample Type Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Guideline Analyte Unit GCDWQ MAC GCDWQ AO BC CSR IW BC CSR DW Field Results Conductivity μS/cm NG NG NG NG 570 530 -139 460 510 480 442 518 520 539 528 507 537 Depth to Water m NG NG NG NG Dissolved oxygen mg/L NG NG NG NG 8.23 1.4 8.72 1.22 1.12 1.12 1.36 Dissolved oxygen (percent) % NG NG NG NG 80.9 12.2 79.7 11.2 10.2 1 16.5 Elevation of Piezometric Surface m NG NG NG NG Elevation of Top of Casing m NG NG NG NG Ground Elevation m NG NG NG NG Oxidation reduction potential mV NG NG NG NG -61 -158 450 -124 -9 -199 -29 -166 -113 -150 -152 -259 -168 pH NG 7.0 - 10.5 2.1 NG NG 8.04 8.28 8.13 8.07 8.19 8.41 8.1 8.2 8.1 8.2 7.8 8 Temperature °C NG 15 NG NG 8.5 9.8 9.2 9.3 10.5 9 12.7 9.2 10 10 9.8 10.3 10.3

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L 0.2 0.003 NG 0.200 4.1 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L NG NG NG NG <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L 0.005 0.001 NG 0.005 4.2 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L NG NG NG 0.030 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L 0.005 NG NG 0.005 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L 0.014 NG NG 0.014 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L NG NG NG 0.008 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L NG NG NG 0.080 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L 0.08 0.03 NG 0.080 4.3 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L NG NG NG 0.0008 <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 Tetrachloroethylene mg/L 0.01 NG NG 0.030 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L NG NG NG 8.000 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L NG NG NG 0.003 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L 0.005 NG NG 0.005 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L NG NG NG NG 228 223 221 Alkalinity (carbonate, as CaCO3) mg/L NG NG NG NG <1 <1 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L NG NG NG NG <1 <1 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L NG NG NG NG <1 <1 <1.0 Alkalinity (total, as CaCO3) mg/L NG NG NG NG 243 218 232 229 218 231 208 231 232 221 228 223 221 Bicarbonate Alkalinity (as HCO3) mg/L NG NG NG NG 278 272 269 Carbonate Alkalinity (as CO3) mg/L NG NG NG NG <1 <0.6 <0.600 Hydroxide Alkalinity (as OH) mg/L NG NG NG NG <1 <0.3 <0.340 Biochemical oxygen demand mg/L NG NG NG NG <10 <10 <10 <10 <10 <10 <10 5-d Soluble BOD mg/L NG NG NG NG <10 <10 <10 Bromide mg/LNGNGNGNG <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L NG NG NG NG Chloride mg/L NG 250 100 3.1 250 4.4 0.26 0.66 0.21 0.26 0.23 0.22 0.23 0.19 0.27 0.26 0.3 0.24 0.25 Conductivity μS/cm NG NG NG NG 548 505 532 511 489 526 492 537 515 489 509 495 486 Fluoride mg/L 1.5 NG 1.000 1.500 0.54 0.5 0.49 Hardness, Total (dissolved as CaCO3) mg/L NG NG NG NG 253 248 265 287 260 249 263 281 273 253 267 231 270 Hardness, Total (total as CaCO3) mg/L NG NG NG NG pH NG 7.0 - 10.5 2.2 NG NG 8.17 8.1 8.18 7.85 8.12 8.15 8.06 8.16 8.19 8.17 8.07 8.12 8 Sulphate mg/L NG 500 2.3 NG 500 4.5 63.5 52.3 70.2 56.4 52.5 55.5 54 64.7 58.4 53.1 55.1 54 54.5 Temperature of observed pH °C NG NG NG NG Total organic carbon mg/L NG NG NG NG <0.5 1.6 0.9 0.9 1.5 0.8 <0.5 2.3 0.9 0.9 2.1 0.7 1.33 Total suspended solids mg/L NG NG NG NG Turbidity NTU N 1.1 NG NG NG

Halogenated Methanes Bromodichloromethane mg/L 0.100 1.2 NG NG 0.100 4.6 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 1 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

Sampling Location DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 Date Sampled 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 25-Nov-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 06-Jun-17 Lab Sample ID 2051005-06 2081860-08 2101386-02 2101386-02 3051597-07 3081785-08 4051475-06 4080587-01 4111440-01 5050773-01 5081150-08 6051472-08 6081298-07 7060568-01 Sample Type Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Guideline Analyte Unit GCDWQ MAC GCDWQ AO BC CSR IW BC CSR DW Bromoform mg/L 0.100 1.3 NG NG 0.100 4.7 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L NG NG NG 0.0055 Carbon tetrachloride mg/L 0.002 NG NG 0.002 <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 Chloroform mg/L 0.100 1.4 NG NG 0.100 4.8 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L NG NG NG NG Dibromochloromethane mg/L 0.100 1.5 NG NG 0.100 4.9 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L NG NG NG NG <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L 0.05 NG NG 0.050 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L 0.100 1.6 NG NG 0.100 4.10 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L NG NG NG 1.000 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L NG N 2.4 5.000 9.500 4.11 <0.005 0.009 <0.005 <0.005 <0.005 <0.005 0.005 <0.005 0.015 <0.005 <0.005 0.0086 Aluminum (total) mg/L NG N 2.5 5.000 9.500 4.12 <0.005 Antimony (dissolved) mg/L 0.006 NG NG 0.006 0.0001 <0.0001 <0.0001 0.0001 0.0001 <0.0001 0.0003 0.0002 0.0002 <0.0001 <0.0001 <0.00010 Antimony (total) mg/L 0.006 NG NG 0.006 <0.0001 Arsenic (dissolved) mg/L 0.010 1.7 NG 0.100 0.010 0.003 0.003 0.0033 0.0033 0.0031 0.0032 0.0033 0.0031 0.0033 0.003 0.003 0.00354 Arsenic (total) mg/L 0.010 1.8 NG 0.100 0.010 0.0032 Barium (dissolved) mg/L 1.0 NG NG 1.000 0.077 0.077 0.084 0.083 0.078 0.082 0.078 0.08 0.077 0.069 0.07 0.0825 Barium (total) mg/L 1.0 NG NG 1.000 0.076 Beryllium (dissolved) mg/L NG NG 0.100 0.008 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 Beryllium (total) mg/L NG NG 0.100 0.008 <0.0001 Bismuth (dissolved) mg/L NG NG NG NG <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 Bismuth (total) mg/L NG NG NG NG <0.0001 Boron (dissolved) mg/L 5 NG 0.500 3.2 5.000 0.007 0.006 0.004 0.011 0.007 0.01 0.009 0.008 0.006 0.005 <0.004 0.01 Boron (total) mg/L 5 NG 0.500 3.3 5.000 0.039 Cadmium (dissolved) mg/L 0.005 NG 0.005 0.005 0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 0.00002 <0.00001 0.00001 <0.00001 <0.00001 <0.000010 Cadmium (total) mg/L 0.005 NG 0.005 0.005 <0.00001 Calcium (dissolved) mg/L NG NG NG NG 80.1 80 84.8 93.6 84.5 81.6 84.6 92.4 89.1 83.6 75.3 88.1 Calcium (total) mg/L NG NG NG NG 86.8 Chromium (dissolved) mg/L 0.05 NG 0.005 3.4 0.050 4.13 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 Chromium (total) mg/L 0.05 NG 0.005 3.5 0.050 4.14 <0.0005 Cobalt (dissolved) mg/L NG NG 0.050 0.001 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 0.00005 <0.00005 <0.00005 <0.00010 Cobalt (total) mg/L NG NG 0.050 0.001 <0.00005 Copper (dissolved) mg/L NG 1.0 0.200 1.500 4.15 <0.0002 0.0005 0.0002 <0.0002 <0.0002 0.0009 <0.0002 0.0002 0.0011 <0.0002 <0.0002 0.00022 Copper (total) mg/L NG 1.0 0.200 1.500 4.16 0.0007 Iron (dissolved) mg/L NG 0.3 5.000 3.6 6.500 4.17 <0.01 0.33 0.39 0.333 0.294 0.324 0.299 0.374 0.209 0.07 0.273 0.115 Iron (total) mg/L NG 0.3 5.000 3.7 6.500 4.18 0.33 Lead (dissolved) mg/L 0.010 NG 0.200 0.010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0018 <0.0001 <0.0001 <0.0001 <0.00010 Lead (total) mg/L 0.010 NG 0.200 0.010 <0.0001 Lithium (dissolved) mg/L NG NG 2.500 3.8 0.008 0.0024 0.0024 0.0025 0.0028 0.0026 0.0026 0.0027 0.0027 0.0027 0.0025 0.0023 0.00273 Lithium (total) mg/L NG NG 2.500 3.9 0.008 0.0026 Magnesium (dissolved) mg/L NG NG NG NG 12.8 11.8 12.9 12.9 11.9 11 12.5 12.3 12.2 10.7 10.4 12 Magnesium (total) mg/L NG NG NG NG 12.1 Manganese (dissolved) mg/L NG 0.05 0.200 3.10 1.500 4.19 0.291 0.251 0.279 0.277 0.258 0.258 0.266 0.272 0.26 0.232 0.225 0.263 Manganese (total) mg/L NG 0.05 0.200 3.11 1.500 4.20 0.252 Mercury (dissolved) mg/L 0.001 NG 0.001 0.001 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L 0.001 NG 0.001 0.001 <0.00002 Molybdenum (dissolved) mg/L NG NG 0.010 3.12 0.250 0.0067 0.0064 0.0065 0.0066 0.0059 0.0062 0.0068 0.0069 0.0065 0.0059 0.0063 0.00683 Molybdenum (total) mg/L NG NG 0.010 3.13 0.250 0.0065 Nickel (dissolved) mg/L NG NG 0.200 0.080 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.001 <0.0002 <0.00020 Nickel (total) mg/L NG NG 0.200 0.080 <0.0002 Selenium (dissolved) mg/L 0.05 NG 0.020 3.14 0.010 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 Selenium (total) mg/L 0.05 NG 0.020 3.15 0.010 <0.0005 Silicon (dissolved, as Si) mg/L NG NG NG NG 13.8 13.8 15 15.7 13.4 13.2 15.4 14.9 12.9 12.5 12.9 14.9 Silicon (total, as Si) mg/L NG NG NG NG 13.9

SA WW Report 2018 ‐ RA Report Page 2 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

Sampling Location DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 Date Sampled 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 25-Nov-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 06-Jun-17 Lab Sample ID 2051005-06 2081860-08 2101386-02 2101386-02 3051597-07 3081785-08 4051475-06 4080587-01 4111440-01 5050773-01 5081150-08 6051472-08 6081298-07 7060568-01 Sample Type Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Guideline Analyte Unit GCDWQ MAC GCDWQ AO BC CSR IW BC CSR DW Silver (dissolved) mg/L NG NG NG 0.020 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 Silver (total) mg/L NG NG NG 0.020 <0.00005 Sodium (dissolved) mg/L NG 200 NG 200 4.21 4.76 4.63 4.93 4.85 4.56 4.12 4.89 4.56 4.57 4.24 3.84 4.41 Sodium (total) mg/L NG 200 NG 200 4.22 4.68 Strontium (dissolved) mg/L NG NG NG 2.500 0.821 0.785 0.875 0.858 0.799 0.787 0.83 0.882 0.836 0.742 0.72 0.823 Strontium (total) mg/L NG NG NG 2.500 0.767 Sulphur (dissolved) mg/L NG NG NG NG 16 19 20 20 15 13 17 17 17 16 15 17.9 Sulphur (total) mg/L NG NG NG NG 19 Tellurium (dissolved) mg/L NG NG NG NG <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 Tellurium (total) mg/L NG NG NG NG <0.0002 Thallium (dissolved) mg/L NG NG NG NG <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 Thallium (total) mg/L NG NG NG NG <0.00002 Thorium (dissolved) mg/L NG NG NG NG <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 Thorium (total) mg/L NG NG NG NG <0.0001 Tin (dissolved) mg/L NG NG NG 2.500 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 0.0003 <0.0002 <0.0002 <0.00020 Tin (total) mg/L NG NG NG 2.500 <0.0002 Titanium (dissolved) mg/L NG NG NG NG <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 Titanium (total) mg/L NG NG NG NG <0.005 Tungsten (dissolved) mg/L NG NG NG 0.003 Tungsten (total) mg/L NG NG NG 0.003 Uranium (dissolved) mg/L 0.02 NG 0.010 0.020 0.00007 0.00007 0.0001 0.00008 0.00008 0.00007 0.00007 0.00009 0.00009 0.00008 0.00006 0.000096 Uranium (total) mg/L 0.02 NG 0.010 0.020 0.00006 Vanadium (dissolved) mg/L NG NG 0.100 0.020 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010 Vanadium (total) mg/L NG NG 0.100 0.020 <0.001 Zinc (dissolved) mg/L NG 5.0 1.000 3.16 3.000 4.23 0.005 0.008 0.004 <0.004 <0.004 <0.004 <0.004 0.006 <0.004 <0.004 <0.004 0.127 Zinc (total) mg/L NG 5.0 1.000 3.17 3.000 4.24 <0.004 Zirconium (dissolved) mg/L NG NG NG NG <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0007 <0.0001 <0.00010 Zirconium (total) mg/L NG NG NG NG <0.0001

Microbiological Background Bacteria CFU/100 mL NG NG NG NG E. coli (counts) CFU/100 mL 0 1.9 NG NG NG E. coli (MPN) MPN/100 mL 0 1.10 NG NG NG Fecal coliforms (counts) CFU/100 mL 0 1.11 NG NG NG Fecal coliforms (MPN) MPN/100 mL 0 1.12 NG NG NG Total coliforms (counts) CFU/100 mL 0 1.13 NG NG NG Total coliforms (MPN) MPN/100 mL 0 1.14 NG NG NG

Miscellaneous Organic Substances Chloroethane mg/L NG NG NG NG <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L NG NG NG 0.0005 <0.0003 <0.0003 <0.0003 <0.0003 <0.0002 1,2-Dichloropropane mg/L NG NG NG 0.0045 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L NG NG NG 0.0015 <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L NG NG NG NG <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L NG NG NG NG <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L NG 0.015 NG 0.095 4.25 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L 0.002 1.15 NG NG 0.002 <0.0020 <0.0020 <0.0020 <0.0020 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L 0.005 NG NG 0.005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L 0.14 0.0016 NG 0.140 4.26 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L NG NG NG 0.800 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L 0.06 0.024 NG 0.060 4.27 <0.0010 <0.0005 <0.0010 <0.0010 <0.0010 Xylenes mg/L 0.09 0.02 NG 0.090 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 3 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

Sampling Location DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 Date Sampled 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 25-Nov-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 06-Jun-17 Lab Sample ID 2051005-06 2081860-08 2101386-02 2101386-02 3051597-07 3081785-08 4051475-06 4080587-01 4111440-01 5050773-01 5081150-08 6051472-08 6081298-07 7060568-01 Sample Type Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Guideline Analyte Unit GCDWQ MAC GCDWQ AO BC CSR IW BC CSR DW Ammonia (total, as N) mg/L NG NG NG NG 0.116 0.172 0.09 <0.020 0.111 0.09 0.093 0.099 0.112 0.091 0.101 0.112 0.108 Nitrate (as N) mg/L 10 NG NG 10 4.28 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) mg/L 10 1.16 NG NG 10 4.29 <0.020 <0.020 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) (calculated) mg/L 10 1.17 NG NG 10 4.30 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 Nitrite (as N) mg/L 1 NG NG 1 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Total nitrogen mg/L NG NG NG NG 0.176 0.1 0.266 0.25 0.207 0.206 0.095 0.189 Total kjeldahl nitrogen mg/L NG NG NG NG 0.22 0.18 0.1 0.27 0.25 0.21 0.21 0.1 0.19 Orthophosphate (dissolved, as P) mg/L NG NG NG NG Phosphorus (dissolved, by ICPMS/ICPOES) mg/L NG NG NG NG 0.09 0.09 0.07 0.07 0.07 0.07 0.12 0.07 0.05 0.02 0.06 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L NG NG NG NG 0.08 Potassium (dissolved) mg/L NG NG NG NG 3.78 3.52 3.87 3.9 3.69 3.67 3.97 3.74 3.69 3.31 3.28 3.68 Potassium (total) mg/L NG NG NG NG 3.65

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L NG NG NG 0.250 Acenaphthylene mg/L NG NG NG NG Acridine mg/L NG NG NG NG Anthracene mg/L NG NG NG 1.000 Benz[a]anthracene mg/L NG NG NG 0.00007 Benzo[a]pyrene mg/L 0.00004 NG NG 0.00001 Benzo[b]fluoranthene mg/L NG NG NG NG Benzo[g,h,i]perylene mg/L NG NG NG NG Benzo[k]fluoranthene mg/L NG NG NG NG Chrysene mg/L NG NG NG 0.007 Dibenz[a,h]anthracene mg/L NG NG NG 0.00001 Fluoranthene mg/L NG NG NG 0.150 Fluorene mg/L NG NG NG 0.150 Indeno[1,2,3-cd]pyrene mg/L NG NG NG NG Naphthalene mg/L NG NG NG 0.080 Phenanthrene mg/L NG NG NG NG Pyrene mg/L NG NG NG 0.100 Quinoline mg/L NG NG NG 0.00005

SA WW Report 2018 ‐ RA Report Page 4 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1b IW-1b IW-1b IW-1b 15-Aug-17 27-Nov-17 07-May-18 05-Sep-18 21-Nov-18 23-May-12 30-Aug-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 11-May-15 17-Aug-15 06-Jun-17 23-May-12 30-Aug-12 28-May-13 28-Aug-13 7081345-02 7112376-01 8050780-01 8090535-07 8111900-05 2051283-01 2081860-06 3051597-08 3081785-06 4051475-07 4080587-02 5050770-01 5081150-01 7060568-02 2051283-02 2081860-05 3051597-09 3081785-07 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 524 462 519 503 448 667 670 590 690 601 667 399 765 634 586 620 520 610 Depth to Water m Dissolved oxygen mg/L 9.49 12.31 8.35 3.99 4.18 0.64 1.9 2.75 2.2 Dissolved oxygen (percent) % 88.9 96.2 76.8 35.1 35.8 5.8 18.9 24.7 22.3 Elevation of Piezometric Surface m Elevation of Top of Casing m Ground Elevation m Oxidation reduction potential mV 150 -90 -39 -73 -197 -161 -142 -121 -40 -71 -114 -65 -123 -68 -75 -84 -52 66 pH 8.3 8.2 7.9 9.23 8.43 8.2 7.78 7.56 7.58 7.68 7.6 7.9 7.4 7.2 8.21 7.63 7.51 7.67 Temperature °C 11.2 7 8.6 10.2 8.4 9 8.8 8.3 8.7 9.7 10 12.9 10.7 9.3 8.3 10.2 8.3 9.2

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0005 <0.0010 <0.0010 <0.0010 <0.0005 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 228 214 214 215 239 283 Alkalinity (carbonate, as CaCO3) mg/L <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 228 214 214 215 239 297 283 295 299 283 298 288 332 283 277 279 282 275 Bicarbonate Alkalinity (as HCO3) mg/L 278 261 261 262 292 345 Carbonate Alkalinity (as CO3) mg/L <0.600 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <0.340 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <10 <10 <10 <10 <10 <7.2 <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 0.46 0.38 0.24 0.29 0.25 8.76 8.91 9.29 8.81 7.49 10.7 8.53 9.08 8.88 6.7 6.85 6.72 6.27 Conductivity μS/cm 485 507 488 492 675 647 664 674 610 699 596 709 612 597 602 594 588 Fluoride mg/L 0.2 0.46 0.57 0.61 0.43 0.56 0.26 Hardness, Total (dissolved as CaCO3) mg/L 255 265 238 254 346 320 360 371 307 382 355 384 326 317 308 327 318 Hardness, Total (total as CaCO3) mg/L 265 pH 8.21 8.25 8.12 8.14 8.21 7.96 7.93 7.65 7.87 7.97 7.9 7.92 7.93 7.93 7.99 7.93 7.66 7.87 Sulphate mg/L 51.9 55.8 55.7 53.6 50.5 57.9 50.7 60.3 62.5 41.5 60.5 47 62.4 46.9 43 42.6 40.1 42.1 Temperature of observed pH °C Total organic carbon mg/L 1.27 0.79 0.91 1.12 <0.5 1.1 0.9 1.7 0.7 <0.5 1 1.5 1.39 <0.5 1.4 0.9 1.6 Total suspended solids mg/L 4<3.3 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 5 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1b IW-1b IW-1b IW-1b 15-Aug-17 27-Nov-17 07-May-18 05-Sep-18 21-Nov-18 23-May-12 30-Aug-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 11-May-15 17-Aug-15 06-Jun-17 23-May-12 30-Aug-12 28-May-13 28-Aug-13 7081345-02 7112376-01 8050780-01 8090535-07 8111900-05 2051283-01 2081860-06 3051597-08 3081785-06 4051475-07 4080587-02 5050770-01 5081150-01 7060568-02 2051283-02 2081860-05 3051597-09 3081785-07 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0005 <0.0010 <0.0010 <0.0010 <0.0005 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L 0.0071 0.188 <0.0050 0.0055 0.036 <0.005 <0.005 0.009 <0.005 <0.005 <0.005 <0.005 <0.0050 0.013 <0.005 <0.005 <0.005 Aluminum (total) mg/L 0.0403 <0.0050 Antimony (dissolved) mg/L <0.00020 <0.00020 <0.00020 <0.00020 0.0002 <0.0001 0.0001 0.0002 <0.0001 0.0004 0.0003 <0.0001 <0.00010 0.0002 <0.0001 0.0001 0.0002 Antimony (total) mg/L 0.00071 <0.00020 Arsenic (dissolved) mg/L 0.00285 0.00329 0.00334 0.00315 <0.0005 <0.0005 <0.0005 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.0005 <0.0005 <0.0005 <0.0005 Arsenic (total) mg/L 0.00402 0.00358 Barium (dissolved) mg/L 0.0659 0.0696 0.0749 0.0762 0.097 0.096 0.106 0.119 0.057 0.1 0.055 0.101 0.0581 0.054 0.054 0.057 0.056 Barium (total) mg/L 0.0817 0.076 Beryllium (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Beryllium (total) mg/L <0.00010 <0.00010 Bismuth (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L <0.00010 <0.00010 Boron (dissolved) mg/L 0.0113 0.0122 <0.0050 0.0078 0.006 0.005 0.007 0.007 <0.004 0.007 0.009 <0.004 0.01 0.006 0.006 0.008 0.007 Boron (total) mg/L 0.0108 0.0054 Cadmium (dissolved) mg/L 0.000012 0.000025 <0.000010 0.000012 0.00003 <0.00001 <0.00001 <0.00001 0.00002 0.00001 0.00002 <0.00001 0.000019 0.00002 0.00003 0.00002 0.00001 Cadmium (total) mg/L <0.000010 <0.000010 Calcium (dissolved) mg/L 82.7 86.3 77.2 82.8 114 103 117 119 81.1 127 96.7 127 86.1 84.2 82.1 85.3 84.5 Calcium (total) mg/L 86.2 77.7 Chromium (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.00050 0.0065 <0.0005 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 0.0026 <0.0005 0.0008 <0.0005 Chromium (total) mg/L 0.00052 <0.00050 Cobalt (dissolved) mg/L <0.00010 0.00028 <0.00010 <0.00010 0.00014 <0.00005 <0.00005 <0.00005 0.00013 <0.00005 0.00014 <0.00005 0.00011 0.00016 0.00011 0.00012 0.00012 Cobalt (total) mg/L <0.00010 <0.00010 Copper (dissolved) mg/L 0.00073 <0.00040 <0.00040 <0.00040 0.0454 0.0002 <0.0002 0.0003 0.001 <0.0002 0.0006 <0.0002 0.00116 0.0138 0.0003 0.0003 0.0003 Copper (total) mg/L 0.00055 <0.00040 Iron (dissolved) mg/L 0.06 0.7 0.01 0.553 2.52 2.38 2.43 2.84 0.484 2.62 0.23 0.047 0.519 0.6 0.49 0.514 0.482 Iron (total) mg/L 0.522 0.408 Lead (dissolved) mg/L <0.00020 0.00024 <0.00020 <0.00020 0.0011 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 0.0002 <0.0001 <0.0001 <0.0001 Lead (total) mg/L 0.00343 <0.00020 Lithium (dissolved) mg/L 0.00257 0.00303 0.00246 0.00223 0.0058 0.0061 0.0067 0.0067 0.0073 0.0073 0.0086 0.0065 0.00752 0.0066 0.0073 0.0075 0.0077 Lithium (total) mg/L 0.00269 0.00243 Magnesium (dissolved) mg/L 11.6 11.9 10.9 11.5 14.8 14.9 16.2 17.8 25.5 15.6 27.5 16.2 26.9 25.9 25.1 27.726 Magnesium (total) mg/L 12 10.6 Manganese (dissolved) mg/L 0.218 0.264 0.244 0.23 0.139 0.117 0.125 0.148 0.0483 0.13 0.0501 0.143 0.0441 0.0568 0.0527 0.0477 0.0488 Manganese (total) mg/L 0.279 0.252 Mercury (dissolved) mg/L <0.000010 <0.000010 <0.000040 <0.000040 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L <0.000010 <0.000010 Molybdenum (dissolved) mg/L 0.00611 0.00639 0.00647 0.0064 0.0042 0.0042 0.0041 0.0043 0.0041 0.0038 0.0043 0.0036 0.00386 0.0042 0.0045 0.0043 0.0041 Molybdenum (total) mg/L 0.00696 0.00657 Nickel (dissolved) mg/L <0.00040 0.00084 <0.00040 <0.00040 0.001 <0.0002 <0.0002 0.0003 0.0006 <0.0002 0.0004 0.0005 0.00065 0.0007 <0.0002 0.0006 0.0007 Nickel (total) mg/L 0.00052 <0.00040 Selenium (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.00050 <0.0005 <0.0005 <0.0005 <0.0005 0.0033 <0.0005 0.003 <0.0005 0.00402 0.004 0.0027 0.0033 0.0046 Selenium (total) mg/L <0.00050 <0.00050 Silicon (dissolved, as Si) mg/L 12.5 14 14.2 13.1 7.2 7.2 8.4 8 6.4 7.3 5.9 7.2 6.8 6.6 6.7 7.6 6.3 Silicon (total, as Si) mg/L 14.9 14.2

SA WW Report 2018 ‐ RA Report Page 6 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1b IW-1b IW-1b IW-1b 15-Aug-17 27-Nov-17 07-May-18 05-Sep-18 21-Nov-18 23-May-12 30-Aug-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 11-May-15 17-Aug-15 06-Jun-17 23-May-12 30-Aug-12 28-May-13 28-Aug-13 7081345-02 7112376-01 8050780-01 8090535-07 8111900-05 2051283-01 2081860-06 3051597-08 3081785-06 4051475-07 4080587-02 5050770-01 5081150-01 7060568-02 2051283-02 2081860-05 3051597-09 3081785-07 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.000050 <0.000050 <0.000050 <0.000050 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.00005 <0.00005 <0.00005 <0.00005 Silver (total) mg/L <0.000050 <0.000050 Sodium (dissolved) mg/L 4.55 4.49 4.19 4.34 7.83 6.27 7.09 7.9 5.12 7 5.71 7.47 5.48 5.64 5.37 5.57 5.44 Sodium (total) mg/L 4.53 4.25 Strontium (dissolved) mg/L 0.676 0.772 0.808 0.802 1.11 1.09 1.2 1.35 0.753 1.19 0.8 1.32 0.754 0.73 0.765 0.792 0.78 Strontium (total) mg/L 0.871 0.823 Sulphur (dissolved) mg/L 15.4 13.31617222123241221152214.417181512 Sulphur (total) mg/L 19 19.2 Tellurium (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.00050 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.00020 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L <0.00050 <0.00050 Thallium (dissolved) mg/L <0.000020 0.000022 <0.000020 <0.000020 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L <0.000020 <0.000020 Thorium (dissolved) mg/L <0.00010 0.00012 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L <0.00010 <0.00010 Tin (dissolved) mg/L <0.00020 <0.00020 <0.00020 <0.00020 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 <0.0002 <0.0002 <0.0002 <0.0002 Tin (total) mg/L <0.00020 <0.00020 Titanium (dissolved) mg/L <0.0050 0.0095 <0.0050 <0.0050 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L <0.0050 <0.0050 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 <0.0010 Uranium (dissolved) mg/L 0.000233 0.000089 0.000058 0.000062 0.00265 0.00271 0.00321 0.00289 0.00815 0.00316 0.0118 0.00323 0.00872 0.00735 0.00959 0.00817 0.00933 Uranium (total) mg/L 0.00008 0.000059 Vanadium (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010 <0.001 <0.001 <0.001 <0.001 Vanadium (total) mg/L <0.0010 <0.0010 Zinc (dissolved) mg/L <0.0040 0.0143 <0.0040 0.0157 0.07 0.071 0.035 0.077 0.056 0.087 0.016 0.07 0.118 0.098 0.024 0.057 0.035 Zinc (total) mg/L 0.0091 0.0081 Zirconium (dissolved) mg/L <0.00010 0.00017 <0.00010 <0.00010 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Zirconium (total) mg/L <0.00010 <0.00010

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL <1 E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL <1 Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL 1 Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 <0.0003 <0.0002 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0020 <0.0020 <0.0020 <0.0010 <0.0020 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0010 <0.0010 <0.0005 <0.0010 <0.0010 <0.0010 <0.0005 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 7 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

DMW-1 DMW-1 DMW-1 DMW-1 DMW-1 IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1a IW-1b IW-1b IW-1b IW-1b 15-Aug-17 27-Nov-17 07-May-18 05-Sep-18 21-Nov-18 23-May-12 30-Aug-12 28-May-13 28-Aug-13 26-May-14 11-Aug-14 11-May-15 17-Aug-15 06-Jun-17 23-May-12 30-Aug-12 28-May-13 28-Aug-13 7081345-02 7112376-01 8050780-01 8090535-07 8111900-05 2051283-01 2081860-06 3051597-08 3081785-06 4051475-07 4080587-02 5050770-01 5081150-01 7060568-02 2051283-02 2081860-05 3051597-09 3081785-07 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.125 0.09 0.104 0.101 0.119 0.031 0.042 0.029 0.026 0.039 0.023 0.05 <0.020 0.032 <0.020 0.048 <0.020 0.022 Nitrate (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.356 0.105 0.773 <0.010 0.087 0.464 0.208 0.358 0.555 Nitrate + Nitrite (as N) mg/L <0.020 <0.020 <0.010 <0.010 0.356 0.105 0.773 0.464 0.208 0.358 0.555 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 0.356 0.105 0.773 <0.014 0.087 0.464 0.208 0.358 0.555 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Total nitrogen mg/L 0.137 <0.070 0.253 0.176 0.506 0.26 0.896 0.558 0.318 0.558 0.662 Total kjeldahl nitrogen mg/L 0.14 0.06 0.25 0.18 0.15 0.16 0.12 0.09 0.11 0.2 0.11 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.050 0.162 <0.050 0.07 0.03 0.02 <0.02 0.21 <0.02 0.05 <0.02 <0.02 0.075 0.03 <0.02 <0.02 <0.02 Phosphorus (total, by ICPMS/ICPOES) mg/L 0.122 0.077 Potassium (dissolved) mg/L 3.41 3.95 3.48 3.18 4.91 3.93 4.45 4.93 4.13 4.26 4.16 4.4 4.03 4.34 3.91 4.3 4.14 Potassium (total) mg/L 3.82 3.71

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 8 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b LP-1LP-1LP-1LP-1LP-1LP-1 26-May-14 11-Aug-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 17-Nov-16 15-Aug-17 27-Nov-17 08-May-18 05-Sep-18 22-Nov-18 13-May-11 08-Dec-11 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 4051475-08 4080587-03 5050770-02 5081150-02 6051472-04 6081298-03 6111372-02 7081345-01 7112376-02 8050835-01 8090535-08 8111900-08 K1E0545-01 K1L0382-01 2051005-08 2081860-07 2101386-01 2101386-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 526 570 643 654 642 644 606 641 534 613 629 532 1190 1070 1220 830 153 Depth to Water m Dissolved oxygen mg/L 2.89 3.6 4.37 2.17 0.4 2.61 9.47 11.77 1.5 7.17 0.3 Dissolved oxygen (percent) % 29.7 32.3 38.9 19.2 3.5 27.5 90.6 94.2 13.1 61.5 Elevation of Piezometric Surface m Elevation of Top of Casing m Ground Elevation m Oxidation reduction potential mV -140 43 -23 -60 -77 -55 -60 110 -86 -34 -9 -33 -184 110 -60 -50 760 pH 7.5 7.5 8.1 7.5 7.3 7.4 8.3 7.8 8.6 7.4 8.5 8.17 7.44 8.94 7.12 9.23 9.49 Temperature °C 12.9 17 9.9 8.8 9.3 9.4 8.2 9.9 8.3 8.9 9.2 7 13 0.1 12.8 21.9 8.2

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0005 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 286 291 286 290 282 302 290 286 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 331 269 287 277 286 291 286 290 282 302 290 286 334 501 255 Bicarbonate Alkalinity (as HCO3) mg/L 349 355 348 354 344 368 353 349 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <10 440 28 99 19 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L 870 186 192 64 Chloride mg/L 8.4 6.21 8.55 8.23 9.34 9.58 8.87 7.87 11.2 10.4 12 14.7 62.1 91 71 91.5 Conductivity μS/cm 742 610 601 600 621 630 614 624 569 596 622 994 1220 827 Fluoride mg/L 0.34 0.32 0.25 0.1 0.26 0.27 0.32 0.15 18.7 0.5 4.49 <0.10 Hardness, Total (dissolved as CaCO3) mg/L 374 344 334 319 334 302 324 336 317 307 303 486 336 482 230 Hardness, Total (total as CaCO3) mg/L 301 523 346 446 310 pH 7.92 7.97 7.95 7.89 7.82 7.98 7.87 7.94 8.26 7.94 7.98 8.03 8.52 7.68 8.78 Sulphate mg/L 68.6 52.5 46.9 48 48.7 49 41.3 41.9 20.6 33.1 39.4 19.2 9.1 52.1 6.4 33.4 Temperature of observed pH °C Total organic carbon mg/L 1.4 <0.5 0.9 1 0.7 1.1 0.9 1.24 1.12 1.33 1.15 22.5 35.5 57.6 Total suspended solids mg/L 71 51 342 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 9 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b LP-1LP-1LP-1LP-1LP-1LP-1 26-May-14 11-Aug-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 17-Nov-16 15-Aug-17 27-Nov-17 08-May-18 05-Sep-18 22-Nov-18 13-May-11 08-Dec-11 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 4051475-08 4080587-03 5050770-02 5081150-02 6051472-04 6081298-03 6111372-02 7081345-01 7112376-02 8050835-01 8090535-08 8111900-08 K1E0545-01 K1L0382-01 2051005-08 2081860-07 2101386-01 2101386-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0005 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.005 <0.005 0.011 <0.005 <0.005 <0.005 0.0058 0.0366 <0.0050 <0.0050 0.03 <0.005 Aluminum (total) mg/L <0.005 <0.0050 <0.0050 0.182 0.052 0.057 0.163 Antimony (dissolved) mg/L <0.0001 0.0003 0.0002 0.0001 <0.0001 <0.0001 <0.00020 <0.00020 <0.00020 <0.00020 0.0013 0.0021 Antimony (total) mg/L <0.0001 <0.00020 <0.00020 0.0011 <0.0020 0.0006 0.0019 Arsenic (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 0.0013 0.0011 Arsenic (total) mg/L <0.0005 0.00195 <0.00050 0.0016 0.0014 0.0015 0.0015 Barium (dissolved) mg/L 0.124 0.053 0.056 0.053 0.055 0.061 0.0543 0.0567 0.0529 0.0507 0.362 0.038 Barium (total) mg/L 0.057 0.0658 0.0584 0.1 0.046 0.113 0.044 Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 Beryllium (total) mg/L <0.0001 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 Bismuth (total) mg/L <0.0001 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 Boron (dissolved) mg/L <0.004 0.008 0.007 <0.004 0.009 0.009 0.0089 0.0081 <0.0050 0.0174 0.509 0.7 Boron (total) mg/L 0.006 0.008 <0.0050 0.483 0.656 0.546 0.826 Cadmium (dissolved) mg/L <0.00001 0.00004 0.00002 0.00001 <0.00001 0.00001 0.000037 0.00003 0.000014 <0.000010 0.00003 0.00002 Cadmium (total) mg/L 0.00002 0.00019 0.00002 0.00005 0.00006 0.00002 0.00004 Calcium (dissolved) mg/L 124 95.5 88.7 89.4 82.5 84.3 91.8 83.8 82 76.2 148 53.9 112 11 Calcium (total) mg/L 90.5 79 81.6 161 61.1 105 37.3 Chromium (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 0.012 0.0013 Chromium (total) mg/L 0.0007 0.00179 <0.00050 0.0158 0.0019 0.0048 0.0028 Cobalt (dissolved) mg/L <0.00005 0.00014 0.00018 0.00015 0.00012 0.00016 0.00012 0.00018 <0.00010 0.00015 0.00125 0.00659 Cobalt (total) mg/L 0.00013 0.00014 <0.00010 0.00607 0.00626 0.0043 0.00472 Copper (dissolved) mg/L <0.0002 0.0004 0.0008 0.0008 <0.0002 <0.0002 0.00053 0.001 <0.00040 <0.00040 0.001 0.0017 Copper (total) mg/L 0.0007 0.00108 0.00072 0.0019 0.0043 0.0007 0.0029 Iron (dissolved) mg/L 3 0.374 0.494 0.172 0.512 0.806 0.537 0.563 <0.010 <0.010 0.082 0.73 Iron (total) mg/L 0.51 7.95 0.597 3.07 1.51 10.7 3.3 Lead (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00020 <0.00020 0.00026 <0.00020 0.0003 <0.0001 Lead (total) mg/L <0.0001 0.00157 <0.00020 0.0006 0.0003 <0.0001 0.0004 Lithium (dissolved) mg/L 0.0069 0.0086 0.008 0.0072 0.0073 0.007 0.00765 0.00774 0.0073 0.00657 0.0134 0.0206 Lithium (total) mg/L 0.0076 0.00695 0.00741 0.0149 0.0186 0.0156 0.0196 Magnesium (dissolved) mg/L 15.4 25.6 27.3 23.3 23.4 27.5 25.9 26.2 24.8 27.3 28.3 48.9 49.3 49.2 Magnesium (total) mg/L 26 25.1 24.2 29.7 47 44.9 52.7 Manganese (dissolved) mg/L 0.15 0.0523 0.0516 0.0483 0.0511 0.0561 0.0584 0.0424 0.0419 0.0778 5.02 0.11 Manganese (total) mg/L 0.0511 0.0637 0.0437 5.34 0.324 2.37 0.703 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 <0.000040 <0.000040 0.00011 <0.00002 Mercury (total) mg/L <0.00002 <0.000010 <0.000010 0.00004 0.00003 <0.00002 <0.00002 Molybdenum (dissolved) mg/L 0.0035 0.0047 0.0044 0.0043 0.0041 0.0038 0.00404 0.00336 0.00384 0.00406 0.0004 0.0041 Molybdenum (total) mg/L 0.0042 0.00314 0.00392 0.0008 0.0041 0.0014 0.0031 Nickel (dissolved) mg/L <0.0002 <0.0002 0.0005 0.001 0.0005 <0.0002 0.00062 0.00074 0.00052 <0.00040 0.0187 0.0265 Nickel (total) mg/L 0.0006 0.00098 0.00057 0.0263 0.0284 0.0168 0.0245 Selenium (dissolved) mg/L <0.0005 0.0015 0.0025 0.0024 0.0026 0.0048 0.00279 0.00608 0.00434 0.00799 <0.0005 0.0007 Selenium (total) mg/L 0.0033 0.00921 0.00399 <0.0005 <0.0005 <0.0005 <0.0005 Silicon (dissolved, as Si) mg/L 7.4 6.7 5.9 6 6.2 7 6.5 6.7 6.6 7.4 8.96 10.3 Silicon (total, as Si) mg/L 6.8 6.9 6.7 8.7 10 12.2 9.1

SA WW Report 2018 ‐ RA Report Page 10 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b LP-1LP-1LP-1LP-1LP-1LP-1 26-May-14 11-Aug-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 17-Nov-16 15-Aug-17 27-Nov-17 08-May-18 05-Sep-18 22-Nov-18 13-May-11 08-Dec-11 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 4051475-08 4080587-03 5050770-02 5081150-02 6051472-04 6081298-03 6111372-02 7081345-01 7112376-02 8050835-01 8090535-08 8111900-08 K1E0545-01 K1L0382-01 2051005-08 2081860-07 2101386-01 2101386-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 0.00015 0.00011 Silver (total) mg/L <0.00005 <0.000050 <0.000050 <0.00005 0.00026 <0.00005 <0.00005 Sodium (dissolved) mg/L 7.04 5.64 5.73 7.59 5.03 5.67 5.89 5.18 5.25 5.33 50 72.8 Sodium (total) mg/L 5.73 4.85 5.38 51.6 70.1 65 89.6 Strontium (dissolved) mg/L 1.33 0.787 0.796 0.77 0.748 0.804 0.714 0.756 0.792 0.779 0.921 0.857 Strontium (total) mg/L 0.759 0.769 0.82 0.8 0.902 1.02 0.465 Sulphur (dissolved) mg/L 22 16 16 18 15 13 15.4 10 12.1 10 Sulphur (total) mg/L 16 7.7 14.6 1 17 Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00050 <0.00050 <0.00050 <0.00050 <0.0002 <0.0002 Tellurium (total) mg/L <0.0002 <0.00050 <0.00050 <0.0002 <0.0002 <0.0002 <0.0002 Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 <0.000020 <0.000020 <0.00002 <0.00002 Thallium (total) mg/L <0.00002 <0.000020 <0.000020 <0.00002 <0.00002 <0.00002 <0.00002 Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 Thorium (total) mg/L <0.0001 <0.00010 <0.00010 0.0001 <0.0001 <0.0001 <0.0001 Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 <0.00020 <0.00020 <0.00020 0.0003 0.0004 Tin (total) mg/L <0.0002 <0.00020 <0.00020 0.0004 0.0005 0.0003 0.0005 Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.0050 <0.0050 <0.0050 <0.005 <0.005 Titanium (total) mg/L <0.005 <0.0050 <0.0050 0.015 <0.005 <0.005 0.011 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 <0.0010 Uranium (dissolved) mg/L 0.00265 0.011 0.0111 0.0114 0.0124 0.00749 0.0124 0.00711 0.0105 0.00425 0.00147 0.00396 Uranium (total) mg/L 0.0117 0.00596 0.01 0.00181 0.00375 0.00209 0.00294 Vanadium (dissolved) mg/L <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010 <0.0010 <0.0010 <0.0010 0.002 <0.001 Vanadium (total) mg/L <0.001 0.0036 <0.0010 0.004 0.001 0.002 0.002 Zinc (dissolved) mg/L 0.094 0.016 0.012 0.019 0.014 0.158 0.0627 0.0729 0.0271 0.146 0.0101 0.014 Zinc (total) mg/L 0.009 0.516 0.0426 0.05 0.03 0.017 0.026 Zirconium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 0.001 0.0002 Zirconium (total) mg/L <0.0001 <0.00010 <0.00010 0.0013 0.0004 0.0007 0.0007

Microbiological Background Bacteria CFU/100 mL >200 E. coli (counts) CFU/100 mL <1 20 E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL <1 OG Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL <1 >290 Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0010 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 11 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b IW-1b LP-1LP-1LP-1LP-1LP-1LP-1 26-May-14 11-Aug-14 11-May-15 17-Aug-15 17-May-16 16-Aug-16 17-Nov-16 15-Aug-17 27-Nov-17 08-May-18 05-Sep-18 22-Nov-18 13-May-11 08-Dec-11 17-May-12 30-Aug-12 24-Oct-12 24-Oct-12 4051475-08 4080587-03 5050770-02 5081150-02 6051472-04 6081298-03 6111372-02 7081345-01 7112376-02 8050835-01 8090535-08 8111900-08 K1E0545-01 K1L0382-01 2051005-08 2081860-07 2101386-01 2101386-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.041 <0.020 <0.020 <0.020 <0.020 0.03 0.035 0.023 0.02 <0.020 <0.020 0.09411.80.085.090.31 Nitrate (as N) mg/L <0.010 0.388 0.779 0.231 0.629 0.454 0.212 0.492 0.415 0.415 0.412 0.559 <0.01 3.8 <0.010 3.05 Nitrate + Nitrite (as N) mg/L <0.010 0.388 0.779 <0.01 3.82 <0.020 3.05 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 0.388 0.779 0.231 0.629 0.454 0.224 0.492 0.415 0.415 0.412 0.57 <0.01 3.82 <0.014 3.05 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.012 <0.010 <0.010 <0.010 <0.010 0.011 <0.01 0.02 <0.010 <0.010 Total nitrogen mg/L 0.212 0.439 0.942 12.5 14.6 10.6 7.39 Total kjeldahl nitrogen mg/L 0.21 0.05 0.16 12.5 10.8 10.6 4.35 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 0.24 <0.02 <0.02 <0.02 <0.02 <0.050 <0.050 0.192 <0.050 0.305 0.15 Phosphorus (total, by ICPMS/ICPOES) mg/L <0.02 0.06 <0.050 1.05 0.51 0.15 0.2 Potassium (dissolved) mg/L 4.63 4.15 4.2 3.85 3.8 4.21 4.1 4.03 3.79 4.13 19.7 29.6 Potassium (total) mg/L 4.14 3.72 4.11 20.9 28.9 26.3 36.6

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 12 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 MW08-05 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 15-Aug-17 28-Nov-17 08-May-18 05-Sep-18 25-Nov-08 3051597-10 3081785-09 3111069-06 4051475-09 4081538-03 4111157-02 5050751-06 5081150-09 5111116-06 6051472-07 6081298-08 6111455-01 7060568-05 7081345-04 7112376-07 8050835-06 8090535-09 K8K0638-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 1050 1210 1210 1742 1436 1808 1647 2060 2160 2600 2410 2360 2339 2400 3080 2670 4004 657 Depth to Water m 30.93 Dissolved oxygen mg/L 10.7 8.61 21.94 8.9 12.4 13.36 9.43 14.01 15.01 9 6.8 9.49 Dissolved oxygen (percent) % 25.2 62.1 259.3 104.3 92.1 153.2 115.4 111.1 105.2 110 88 115.9 Elevation of Piezometric Surface m 505.67 Elevation of Top of Casing m 536.599 Ground Elevation m 535.36 Oxidation reduction potential mV 92 58 12 133 90 131 29 22 -25 -45 -63 83 80 -59 80 95 103 pH 8.48 9 8.41 8.2 8.48 8 9.2 8.2 9.1 8.2 8.8 9.3 9 8.8 9.2 8.3 7.77 8.16 Temperature °C 19.1 21.1 1.2 18.7 22.4 0.8 22.7 22.6 1.6 21.6 25.2 4.8 17 19.6 2.6 24.2 21.4 8.2

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L 1,3-Dichlorobenzene mg/L 1,4-Dichlorobenzene mg/L 1,1-Dichloroethane mg/L 1,2-Dichloroethane mg/L 1,1-Dichloroethylene mg/L cis-1,2-Dichloroethylene mg/L trans-1,2-Dichloroethylene mg/L Monochlorobenzene mg/L 1,1,2,2-Tetrachloroethane mg/L Tetrachloroethylene mg/L 1,1,1-Trichloroethane mg/L 1,1,2-Trichloroethane mg/L Trichloroethylene mg/L

General Alkalinity (bicarbonate, as CaCO3) mg/L 931 409 510 975 507 691 1060 578 Alkalinity (carbonate, as CaCO3) mg/L <1 107 18 <1.0 53.8 21.9 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 53 9 <1.0 26.9 11 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 513 383 395 722 396 431 601 475 518 931 516 528 975 560 713 1060 578 321 Bicarbonate Alkalinity (as HCO3) mg/L 1140 499 622 1190 618 843 1300 705 Carbonate Alkalinity (as CO3) mg/L <1 64 11 <0.600 32.3 13.2 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L 15 13 <10 22 <10 <10 19 23 <6 9 10 7 111 12.7 13 25.1 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L 115 100 87 161 88 57 163 494 91 195 184 130 242 220 257 255 328 Chloride mg/L 143 161 167 213 232 207 239 285 313 318 354 339 380 399 438 335 587 3.8 Conductivity μS/cm 1330 1280 1360 1950 1710 1690 1710 2010 2040 2700 2480 2310 2990 3300 3410 3030 3410 655 Fluoride mg/L 0.1 0.12 0.19 <0.10 0.27 0.26 0.29 0.42 0.25 0.37 0.23 0.21 0.43 <1.00 0.4 <1.00 <1.00 Hardness, Total (dissolved as CaCO3) mg/L 362 306 328 439 326 401 320 493 454 361 461 486 453 290 Hardness, Total (total as CaCO3) mg/L 375 321 315 464 381 338 324 480 388 467 518 pH 8.35 8.75 8.28 8.25 8.38 7.89 8.9 8.4 8.47 8.29 8.8 8.38 8.29 8.56 8.37 8.19 8.57.4 Sulphate mg/L 4.5 8.7 11.8 7.5 14.3 30.3 5 14.4 18.7 21.3 18.3 33.1 28.9 42.6 Temperature of observed pH °C Total organic carbon mg/L 30.9 41.4 29 57.6 50.4 38.7 49.1 38.5 35.4 62.1 46.2 30.4 68.7 83.2 60.3 83.9 104 2.6 Total suspended solids mg/L 77 70 7 12 27 15 14 102 10 4 62 8 52 28.3 20.5 19.5 60.7 65 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L

SA WW Report 2018 ‐ RA Report Page 13 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 MW08-05 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 15-Aug-17 28-Nov-17 08-May-18 05-Sep-18 25-Nov-08 3051597-10 3081785-09 3111069-06 4051475-09 4081538-03 4111157-02 5050751-06 5081150-09 5111116-06 6051472-07 6081298-08 6111455-01 7060568-05 7081345-04 7112376-07 8050835-06 8090535-09 K8K0638-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L Bromomethane mg/L Carbon tetrachloride mg/L Chloroform mg/L Chloromethane mg/L Dibromochloromethane mg/L Dibromomethane mg/L Dichloromethane mg/L Total Trihalomethanes (calculated) mg/L Trichlorofluoromethane mg/L

Metals Aluminum (dissolved) mg/L 0.0105 0.0109 0.0227 <0.025 Aluminum (total) mg/L 0.01 0.026 0.01 0.011 0.036 0.108 0.026 0.134 0.058 0.01 0.05 0.013 0.0244 0.0326 Antimony (dissolved) mg/L 0.00171 0.00176 0.00155 0.0008 Antimony (total) mg/L 0.0013 0.0015 0.0011 0.0014 0.0018 0.0012 0.0014 0.002 0.0018 0.0017 0.0023 0.0016 0.00178 0.00219 Arsenic (dissolved) mg/L 0.00573 0.00667 0.0112 <0.0025 Arsenic (total) mg/L 0.0027 0.0023 0.0019 0.0038 0.0029 0.0014 0.0038 0.005 0.002 0.0053 0.0049 0.0025 0.00707 0.0119 Barium (dissolved) mg/L 0.185 0.201 0.257 0.0912 Barium (total) mg/L 0.124 0.063 0.07 0.153 0.068 0.068 0.008 0.151 0.061 0.16 0.119 0.123 0.259 0.321 Beryllium (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0005 Beryllium (total) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 Bismuth (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0005 Bismuth (total) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 Boron (dissolved) mg/L 4.54 5.22 4.62 <0.010 Boron (total) mg/L 1.33 1.71 1.29 1.95 2.5 1.64 2.82 3.19 2.76 3.88 4.2 3.4 5.12 6.11 Cadmium (dissolved) mg/L 0.000038 0.000028 0.00005 <0.00005 Cadmium (total) mg/L <0.00001 0.00002 <0.00001 0.00001 0.00003 <0.00001 <0.00001 0.00004 <0.00001 <0.00001 0.00002 0.00002 0.000034 0.000046 Calcium (dissolved) mg/L 46.1 17 34.2 66.5 20.3 48.4 10.6 55.1 50.9 85.9 97.4 Calcium (total) mg/L 49.2 21.1 36.4 72.1 29.4 41.8 11.5 61.1 30.2 66.6 35.2 36.4 53.8 65.3 Chromium (dissolved) mg/L 0.00854 0.0067 0.0141 <0.0025 Chromium (total) mg/L 0.003 0.0023 0.0022 0.0053 0.0028 0.0025 0.0035 0.0065 0.0031 0.0092 0.0048 0.0041 0.00903 0.0155 Cobalt (dissolved) mg/L 0.0075 0.00831 0.00971 0.00072 Cobalt (total) mg/L 0.00193 0.00186 0.00192 0.0024 0.00272 0.00199 0.0023 0.00408 0.00342 0.0042 0.00499 0.00381 0.00805 0.0143 Copper (dissolved) mg/L 0.00443 0.00366 0.00551 <0.0005 Copper (total) mg/L 0.0004 0.0009 0.0014 0.0006 0.0002 0.002 0.0024 0.0029 0.0025 0.0022 0.0034 0.0026 0.00286 0.00565 Iron (dissolved) mg/L 0.191 0.081 0.205 0.157 Iron (total) mg/L 1.76 1.2 0.57 2.49 1.93 1.14 0.08 6.59 0.19 11.930.2 0.562 0.65 Lead (dissolved) mg/L <0.00010 <0.00020 <0.00020 <0.0005 Lead (total) mg/L <0.0001 0.0001 0.0001 <0.0001 <0.0001 0.0003 0.0002 0.0019 0.0001 0.0002 0.0003 <0.0001 0.00041 0.00038 Lithium (dissolved) mg/L 0.0357 0.0401 0.0295 0.0038 Lithium (total) mg/L 0.0235 0.0285 0.0215 0.0304 0.0353 0.0213 0.0333 0.0367 0.0308 0.0352 0.0396 0.0296 0.038 0.0401 Magnesium (dissolved) mg/L 59.9 64.1 58.9 66.4 66.9 68 71.3 78.5 87.1 57.7 11.3 Magnesium (total) mg/L 61.3 65.2 54.5 68.8 74.7 56.6 71.7 79.5 75.9 79.2 88.8 65.4 80.7 86.2 Manganese (dissolved) mg/L 0.0372 0.0242 0.118 0.101 Manganese (total) mg/L 0.18 0.09 0.131 0.528 0.126 0.197 0.143 0.595 0.0249 0.351 0.163 0.04 0.0902 0.0687 Mercury (dissolved) mg/L <0.00002 <0.000010 <0.000010 <0.00025 Mercury (total) mg/L <0.00002 <0.00002 <0.00002 0.00002 0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 Molybdenum (dissolved) mg/L 0.00491 0.00587 0.00348 0.0043 Molybdenum (total) mg/L 0.0014 0.0018 0.0009 0.0016 0.0022 0.0017 0.0015 0.0035 0.0035 0.0034 0.0045 0.0035 0.00579 0.0065 Nickel (dissolved) mg/L 0.0815 0.0943 0.0678 0.0045 Nickel (total) mg/L 0.0276 0.0362 0.0318 0.046 0.0485 0.0343 0.0472 0.0611 0.0615 0.0664 0.0786 0.0602 0.0928 0.118 Selenium (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.0015 Selenium (total) mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0009 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 Silicon (dissolved, as Si) mg/L 10.3 5.2 12.4 4.86 Silicon (total, as Si) mg/L 12.5 8.1 5.7 12.4 9.9 4.8 10.9 13 1.5 10.5 1.2 2 3.6 9.6

SA WW Report 2018 ‐ RA Report Page 14 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 MW08-05 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 15-Aug-17 28-Nov-17 08-May-18 05-Sep-18 25-Nov-08 3051597-10 3081785-09 3111069-06 4051475-09 4081538-03 4111157-02 5050751-06 5081150-09 5111116-06 6051472-07 6081298-08 6111455-01 7060568-05 7081345-04 7112376-07 8050835-06 8090535-09 K8K0638-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.000050 0.000051 <0.000050 <0.00025 Silver (total) mg/L <0.00005 <0.00005 <0.00005 <0.00005 0.00018 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 Sodium (dissolved) mg/L 399 468 341 4.48 Sodium (total) mg/L 132 157 136 190 219 177 230 275 278 334 384 291 452 557 Strontium (dissolved) mg/L 1.12 1.1 1.27 0.894 Strontium (total) mg/L 0.909 0.476 0.66 0.892 0.452 0.566 0.058 0.859 0.503 0.827 0.735 0.708 1.29 1.61 Sulphur (dissolved) mg/L 16.5 14.8 22.2 Sulphur (total) mg/L 5 3 6 3 6 6 3 7 14 11 12 9 18.4 25.3 Tellurium (dissolved) mg/L <0.00020 <0.00050 <0.00050 <0.0010 Tellurium (total) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0003 <0.0002 <0.0002 <0.0002 <0.0002 <0.00050 <0.00050 Thallium (dissolved) mg/L <0.000020 <0.000020 <0.000020 <0.00010 Thallium (total) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 Thorium (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0005 Thorium (total) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 Tin (dissolved) mg/L 0.00135 0.00167 0.00132 <0.0010 Tin (total) mg/L 0.0006 0.0008 0.0007 0.0012 0.0011 0.0009 0.0039 0.0016 0.0013 0.0066 0.0016 0.001 0.00143 0.00132 Titanium (dissolved) mg/L <0.0050 <0.0050 0.0063 <0.025 Titanium (total) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 0.006 <0.005 0.01 <0.005 <0.005 <0.005 <0.005 0.0077 0.0088 Tungsten (dissolved) mg/L 0.0014 Tungsten (total) mg/L 0.0014 0.0023 Uranium (dissolved) mg/L 0.00324 0.00341 0.00244 0.0185 Uranium (total) mg/L 0.00085 0.00117 0.00093 0.00091 0.00099 0.00063 0.00061 0.00122 0.00106 0.00163 0.00198 0.00163 0.00352 0.00428 Vanadium (dissolved) mg/L 0.0042 0.0053 0.0068 <0.0050 Vanadium (total) mg/L 0.001 0.003 <0.001 0.002 0.003 <0.001 0.002 0.005 0.001 0.003 0.005 0.001 0.0043 0.0125 Zinc (dissolved) mg/L 0.0191 0.0205 0.0233 <0.0050 Zinc (total) mg/L 0.007 0.009 0.011 0.01 0.012 0.01 0.008 0.036 0.012 0.014 0.018 0.011 0.013 0.0227 Zirconium (dissolved) mg/L 0.0101 0.00539 0.0126 <0.0005 Zirconium (total) mg/L 0.0007 0.0005 0.0006 0.0019 0.0006 0.0009 0.0011 0.0018 0.0018 0.0066 0.0021 0.0033 0.00957 0.0142

Microbiological Background Bacteria CFU/100 mL >200 >200 E. coli (counts) CFU/100 mL 25 1 20 23 OG 210 E. coli (MPN) MPN/100 mL 1.9 3.6 15 23 Fecal coliforms (counts) CFU/100 mL 29 5 31 37 OG 610 Fecal coliforms (MPN) MPN/100 mL 6.9 3.6 15 23 Total coliforms (counts) CFU/100 mL OG OG 280 >100 OG OG OG Total coliforms (MPN) MPN/100 mL >23 43 240 1100

Miscellaneous Organic Substances Chloroethane mg/L 1,2-Dibromoethane mg/L 1,2-Dichloropropane mg/L 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L trans-1,3-Dichloropropene mg/L Methyl tert-butyl ether (MTBE) mg/L Vinyl chloride mg/L

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L Ethylbenzene mg/L Styrene mg/L Toluene mg/L Xylenes mg/L

Nutrients

SA WW Report 2018 ‐ RA Report Page 15 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 LP-1 MW08-05 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 15-Aug-17 28-Nov-17 08-May-18 05-Sep-18 25-Nov-08 3051597-10 3081785-09 3111069-06 4051475-09 4081538-03 4111157-02 5050751-06 5081150-09 5111116-06 6051472-07 6081298-08 6111455-01 7060568-05 7081345-04 7112376-07 8050835-06 8090535-09 K8K0638-01 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 26.5 0.217 5.79 39.5 0.079 13.1 25.1 0.265 8.58 56.4 0.242 13.8 83 1.05 30.8 109 1.02 0.04 Nitrate (as N) mg/L <0.010 2.33 12.9 0.012 26.2 24.3 0.446 32.3 29 2.48 48.4 39.6 9.07 27.9 62.2 2.38 122 <0.01 Nitrate + Nitrite (as N) mg/L <0.010 9.03 13 0.012 26.4 24.7 0.446 3.3 49.3 40.8 13.8 83.5 63.9 3.84 133 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 9.03 13 <0.014 26.4 24.6 0.446 32.9 3.31 49.3 40.8 13.8 83.6 63.9 3.85 133 <0.01 Nitrite (as N) mg/L <0.010 6.7 0.13 <0.010 0.195 0.342 <0.010 0.552 0.827 0.911 1.2 4.73 55.7 1.69 1.47 10.5 <0.01 Total nitrogen mg/L 28.5 16.2 23.2 48.5 30.6 41.1 27.6 70.6 58.6 60.2 100 96 101 133 150 Total kjeldahl nitrogen mg/L 28.5 7.16 10.2 48.5 4.18 16.4 27.2 67.3 9.23 19.5 86.4 12.5 36.9 130 17.8 0.18 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L 0.092 0.06 0.316 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L 0.246 0.105 0.116 0.224 0.276 0.211 0.053 0.43 0.17 0.23 0.21 0.1 0.261 0.364 Potassium (dissolved) mg/L 131 146 128 4.72 Potassium (total) mg/L 43.6 54.6 47.9 63.3 75 62.5 76.2 90.1 90.6 105 121 91.9 146 188

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 16 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 30-Jan-09 28-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 02-Dec-10 13-May-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 29-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9B0008-01 K9H1009-01 K9K0328-04 K0B0173-04 K0D0728-01 K0H0741-04 K0L0120-01 K1E0545-02 K1G0538-04 K1K1151-04 2051005-04 2081860-03 2110475-04 3051597-04 3081785-04 3111069-04 4051475-04 4081538-01 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 610 570 620 630 650 648 710 760 650 710 720 690 710 600 680 640 589 600 Depth to Water m 31.021 31.156 31.29 31.48 31.39 N 31.465 31.32 31.49 31.35 31.495 31.175 30.864 30.843 30.695 Dissolved oxygen mg/L 1.58 1.04 N 1 Dissolved oxygen (percent) % 8.9 Elevation of Piezometric Surface m 505.578 505.443 505.31 505.12 505.21 505.134 505.279 505.109 505.25 505.104 505.424 505.735 505.756 505.904 Elevation of Top of Casing m 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 Ground Elevation m 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 Oxidation reduction potential mV -15.4 -196 -154 -103 -20 -55 -113 -162 -135 -128 -137 -115 -162 -132 pH 7.88 7.95 7.28 7.47 7.57 7.33 7.45 7.4 7.67 6.88 7.33 7.7 7.5 7.29 7.47 7.42 7.6 7.2 Temperature °C 5.6 9.2 8.2 7.3 8.6 9.3 7.5 8 9 7.4 9.3 9.1 8.5 9.2 9.2 8.3 10 9.3

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0010 <0.0010 <0.00050 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 286 312 314 312 315 315 323 318 325 309 307 313 325 325 322 323 315 311 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 <10 <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L Chloride mg/L 14.2 9.65 7.27 8.5 7.61 12.6 16 17.2 16.3 13.8 12.3 11.5 9.78 8.48 6.25 5.99 5.52 6.53 Conductivity μS/cm 614 652 646 638 634 650 691 666 668 667 688 665 674 670 661 673 662 661 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L 313 366 312 296 335 339 349 357 340 331 333 346 345 346 360 344 336 341 Hardness, Total (total as CaCO3) mg/L pH 7 8 7.86 7.82 7.86 7.95 7.81 7.9 7.83 8.05 7.92 7.91 7.92 7.52 7.83 7.88 7.92 7.73 Sulphate mg/L 24.2 35.3 34.4 39.6 38.1 37.1 36.4 31.8 35.4 34.5 34.8 33.7 38.3 34.7 34.1 38.5 38.5 40.1 Temperature of observed pH °C Total organic carbon mg/L 9.3 1.9 3.4 3.6 5.7 2.6 1.3 5 0.8 1 <0.5 1.7 0.9 1.2 1.8 1.3 1 0.5 Total suspended solids mg/L 73 20 32 92 2 15 <1 3 6 22 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 17 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 30-Jan-09 28-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 02-Dec-10 13-May-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 29-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9B0008-01 K9H1009-01 K9K0328-04 K0B0173-04 K0D0728-01 K0H0741-04 K0L0120-01 K1E0545-02 K1G0538-04 K1K1151-04 2051005-04 2081860-03 2110475-04 3051597-04 3081785-04 3111069-04 4051475-04 4081538-01 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L <0.0020 <0.0020 <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L <0.0010 <0.0010 <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0020 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.005 0.011 <0.005 <0.005 <0.004 <0.005 <0.005 <0.005 0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.007 <0.005 <0.005 <0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L 0.0006 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 0.0003 0.0001 <0.0020 0.0001 <0.0001 <0.0001 0.0005 0.0003 <0.0001 0.0002 0.0002 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.0005 0.0007 0.0006 0.0007 <0.0004 0.0009 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Arsenic (total) mg/L Barium (dissolved) mg/L 0.107 0.0932 0.0847 0.0902 0.0663 0.0897 0.0875 0.0894 0.083 0.078 0.079 0.078 0.08 0.082 0.083 0.071 0.083 0.076 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L 0.009 0.005 0.004 0.005 <0.004 <0.004 <0.004 0.007 0.006 0.004 0.008 0.007 0.005 0.01 0.008 <0.004 0.014 0.005 Boron (total) mg/L Cadmium (dissolved) mg/L <0.00001 <0.00001 <0.00001 <0.00001 <0.000009 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 0.00017 0.00001 0.00001 <0.00001 <0.00001 Cadmium (total) mg/L Calcium (dissolved) mg/L 108 121 104 94.7 115 113 112 118 110 108 109 114 114 115 119 115 112 113 Calcium (total) mg/L Chromium (dissolved) mg/L 0.007 0.0022 0.0011 0.0058 <0.0004 0.0057 0.0044 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0018 0.0016 0.001 <0.0005 <0.0005 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.0003 0.00014 0.00011 0.00006 0.00012 0.00016 0.00012 <0.00005 <0.00005 <0.00005 0.00005 <0.00005 <0.00005 0.00023 0.00012 <0.00005 <0.00005 <0.00005 Cobalt (total) mg/L Copper (dissolved) mg/L 0.0006 0.0002 0.0002 0.0004 <0.00009 0.0004 <0.0001 0.0002 <0.0002 <0.0002 <0.0002 0.0085 <0.0002 0.0004 <0.0002 <0.0002 0.0004 <0.0002 Copper (total) mg/L Iron (dissolved) mg/L 0.145 0.492 0.488 0.372 0.376 0.574 0.511 0.305 0.35 0.33 0.43 0.58 0.52 0.578 0.706 0.774 0.881 0.748 Iron (total) mg/L Lead (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Lead (total) mg/L Lithium (dissolved) mg/L 0.002 0.0055 0.0054 0.0054 0.0043 0.0047 0.0072 0.0061 0.0059 0.0057 0.0059 0.0061 0.0061 0.0061 0.0064 0.0054 0.006 0.0061 Lithium (total) mg/L Magnesium (dissolved) mg/L 10.8 15.5 12.9 14.4 11.8 13.9 17 15.5 14.5 14.8 14.8 15.2 14.6 14.5 15.4 14 13.6 14.4 Magnesium (total) mg/L Manganese (dissolved) mg/L 0.212 0.16 0.157 0.146 0.125 0.15 0.159 0.152 0.143 0.143 0.146 0.135 0.132 0.132 0.142 0.119 0.126 0.122 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 <0.00005 <0.00002 <0.00002 <0.00002 0.00004 0.00004 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.0022 0.0027 0.0033 0.0033 0.0025 0.0041 0.0035 0.0033 0.0037 0.0034 0.0039 0.0038 0.0038 0.0038 0.0041 0.0037 0.0043 0.0038 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.0021 0.0025 0.0013 0.0007 0.001 0.0026 0.0019 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0005 0.0011 0.0004 <0.0002 <0.0002 Nickel (total) mg/L Selenium (dissolved) mg/L <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 0.0006 <0.0003 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 3.24 6.27 5.98 7.16 1.04 8.76 4.25 6.76 6.3 5.9 6.7 7.1 7.1 7.1 6.9 5.4 7.3 6.6 Silicon (total, as Si) mg/L

SA WW Report 2018 ‐ RA Report Page 18 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 30-Jan-09 28-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 02-Dec-10 13-May-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 29-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9B0008-01 K9H1009-01 K9K0328-04 K0B0173-04 K0D0728-01 K0H0741-04 K0L0120-01 K1E0545-02 K1G0538-04 K1K1151-04 2051005-04 2081860-03 2110475-04 3051597-04 3081785-04 3111069-04 4051475-04 4081538-01 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 Silver (total) mg/L Sodium (dissolved) mg/L 4.05 5.38 4.47 4.95 4.01 4.7 5.89 5.16 4.99 5 5.1 5.2 5.04 4.79 5.32 4.81 4.79 4.98 Sodium (total) mg/L Strontium (dissolved) mg/L 0.846 1.02 0.954 0.887 0.791 0.844 1.03 1.03 0.93 0.923 0.945 0.947 0.959 0.969 1 0.983 0.963 0.945 Strontium (total) mg/L Sulphur (dissolved) mg/L 9141210981013 Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 0.0019 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tin (total) mg/L Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.0205 0.00751 0.00602 0.00598 0.00455 0.00532 0.00665 0.00555 0.00529 0.00585 0.00609 0.00558 0.0054 0.00562 0.00582 0.00435 0.00543 0.00535 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.0010 <0.0010 <0.0010 0.0017 <0.0009 0.0017 0.0012 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 Vanadium (total) mg/L Zinc (dissolved) mg/L 0.0106 0.0017 <0.0010 0.001 0.0011 0.002 <0.0010 <0.0040 <0.004 <0.004 <0.004 0.016 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.0001 0.0001 0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0001 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0010 <0.0003 <0.00030 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0010 <0.0010 <0.0020 <0.0020 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0010 <0.0005 <0.00050 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 0.0046 0.0053 <0.0010 0.0015 0.0014 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 19 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 30-Jan-09 28-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 02-Dec-10 13-May-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 29-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9B0008-01 K9H1009-01 K9K0328-04 K0B0173-04 K0D0728-01 K0H0741-04 K0L0120-01 K1E0545-02 K1G0538-04 K1K1151-04 2051005-04 2081860-03 2110475-04 3051597-04 3081785-04 3111069-04 4051475-04 4081538-01 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.06 0.04 0.05 0.05 0.04 0.03 0.03 <0.02 0.03 0.02 0.024 0.049 0.04 0.042 0.023 0.03 0.036 0.036 Nitrate (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 0.18 0.02 0.02 <0.01 <0.010 0.042 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) mg/L <0.01 <0.020 <0.020 <0.010 <0.010 <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) (calculated) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 0.18 0.02 0.02 <0.01 <0.01 0.042 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Total nitrogen mg/L 0.112 <0.070 0.114 0.092 0.177 0.118 0.141 Total kjeldahl nitrogen mg/L 0.21 0.22 0.07 0.2 0.09 0.15 0.1 0.1 0.09 <0.05 0.12 0.11 <0.05 0.11 0.09 0.18 0.12 0.14 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.010 <0.020 <0.020 <0.020 <0.018 <0.020 <0.020 <0.020 0.03 <0.02 <0.02 <0.02 <0.02 <0.02 0.02 <0.02 0.02 <0.02 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 5.85 5.57 5 4.58 4.3 4.23 5.09 5.15 4.95 4.92 5.01 4.82 4.79 4.6 5.16 4.71 5.04 4.85 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 20 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 08-Jun-17 16-Aug-17 28-Nov-17 07-May-18 04-Sep-18 22-Nov-18 29-Nov-11 29-Nov-11 17-May-12 17-May-12 30-Aug-12 4111252-04 5050751-01 5081150-03 5111116-01 6051472-01 6081298-01 6111455-02 7060850-03 7081512-02 7112376-06 8050780-03 8090535-01 8111900-06 K1K1151-05 K1K1151-06 2051005-05 2051005-07 2081860-04 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Duplicate Normal

Analyte Unit

Field Results Conductivity μS/cm 654 615 629 610 631 934 656 626 624 699 656 668 622 570 640 640 610 Depth to Water m 30.7 30.16 30.86 30.015 29.98 29.745 30.915 29.22 29.13 29.41 28.89 29.47 23.5 23.51 23.51 23.43 Dissolved oxygen mg/L 0.96 0.61 1.11 3.93 2.92 0.29 2.78 4.2 5.33 6.38 4.05 1.73 Dissolved oxygen (percent) % 8.2 5.3 9.7 33.7 25.6 25 24 33.1 56.3 36.7 14.6 Elevation of Piezometric Surface m 505.9 506.44 505.74 506.584 506.62 506.854 505.684 507.38 507.47 507.19 507.71 507.13 503.15 503.14 503.14 503.22 Elevation of Top of Casing m 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 536.599 526.65 526.65 526.65 526.65 526.65 Ground Elevation m 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 535.36 525.8 525.8 525.8 525.8 525.8 Oxidation reduction potential mV -111 -156 -102 -75 -114 -146 -115 -125 -117 -113 60 -95 -91 43 -24 -24 -106 pH 7.3 7.6 7.4 7.6 7.4 7.3 7.3 7.1 7.2 7.6 9.2 7.8 7.72 7.42 7.38 7.38 7.58 Temperature °C 8.2 8.8 8.6 8.4 8.8 9.5 8.3 9.6 12.4 8.2 9.6 10.4 8.2 8 8.8 8.8 9.1

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0005 <0.0005 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 297 308 317 327 309 340 301 292 334 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 310 313 294 309 297 308 317 327 309 340 301 292 334 242 241 242 245 250 Bicarbonate Alkalinity (as HCO3) mg/L 363 376 387 399 376 415 368 356 407 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <6 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.20 <0.10 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 4.9 3.53 2.94 2 2.59 5.37 2.92 4.24 4.24 1.94 4.13 5.01 1.66 10.3 9.68 7.15 7.057.75 Conductivity μS/cm 664 594 602 601 617 633 661 637 605 728 634 644 537 537 607 609 570 Fluoride mg/L 0.54 0.52 0.37 0.5 0.5 0.38 0.51 0.52 0.39 Hardness, Total (dissolved as CaCO3) mg/L 358 351 322 307 309 306 360 337 316 388 353 312 366 263 262 285 283 285 Hardness, Total (total as CaCO3) mg/L pH 7.96 7.89 7.89 7.84 7.79 7.9 7.81 7.08 7.67 8.06 7.79 7.86 7.87 8.08 8.07 8.01 7.95 7.9 Sulphate mg/L 40 42.1 44.3 43.3 42.6 43.3 47.7 46.8 42.6 61.3 43.5 38.8 60.4 39.3 39 53.2 52.7 44.9 Temperature of observed pH °C Total organic carbon mg/L 2.2 0.9 0.9 1 0.9 1 1.1 2.4 16 1.5 7.92 10.8 0.8 0.7 0.9 1 2 Total suspended solids mg/L 24 30 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 21 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 08-Jun-17 16-Aug-17 28-Nov-17 07-May-18 04-Sep-18 22-Nov-18 29-Nov-11 29-Nov-11 17-May-12 17-May-12 30-Aug-12 4111252-04 5050751-01 5081150-03 5111116-01 6051472-01 6081298-01 6111455-02 7060850-03 7081512-02 7112376-06 8050780-03 8090535-01 8111900-06 K1K1151-05 K1K1151-06 2051005-05 2051005-07 2081860-04 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Duplicate Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0005 <0.0005 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L 0.011 0.014 <0.005 0.006 0.006 <0.005 <0.005 <0.0050 0.0131 0.0167 0.0629 <0.0050 <0.0050 <0.005 <0.005 <0.005 0.005 0.01 Aluminum (total) mg/L 0.138 Antimony (dissolved) mg/L 0.0002 0.0009 <0.0001 0.0002 0.0002 <0.0001 <0.0001 0.00028 0.00209 <0.00020 0.00249 0.00145 <0.00020 <0.0020 <0.0020 0.0001 <0.0001 0.0002 Antimony (total) mg/L 0.00219 Arsenic (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 0.0005 <0.0005 <0.0005 <0.00050 <0.00050 0.00051 <0.00050 <0.00050 0.00053 0.0012 0.0011 0.0007 0.0007 0.0005 Arsenic (total) mg/L <0.00050 Barium (dissolved) mg/L 0.083 0.076 0.067 0.066 0.066 0.068 0.077 0.0758 0.066 0.0848 0.0668 0.0729 0.084 0.141 0.142 0.114 0.115 0.119 Barium (total) mg/L 0.0753 Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Beryllium (total) mg/L <0.00010 Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L <0.00010 Boron (dissolved) mg/L 0.008 0.006 <0.004 0.008 0.024 <0.004 0.006 0.023 0.0195 0.0179 0.0257 0.0148 0.0057 0.004 0.004 0.009 0.006 0.007 Boron (total) mg/L 0.0214 Cadmium (dissolved) mg/L <0.00001 <0.00001 <0.00001 0.00001 <0.00001 <0.00001 <0.00001 <0.000010 <0.000010 <0.000010 0.000014 <0.000010 <0.000010 <0.00001 <0.00001 0.00002 0.00003 <0.00001 Cadmium (total) mg/L <0.000010 Calcium (dissolved) mg/L 118 115 107 103 104 102 120 111 102 130 116 102 122 84.8 84.9 90.4 90.4 91.8 Calcium (total) mg/L 108 Chromium (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 0.0006 <0.0005 <0.0005 <0.00050 0.00063 <0.00050 <0.00050 <0.00050 <0.00050 <0.0005 <0.0005 <0.0005 <0.0005 0.0009 Chromium (total) mg/L 0.00052 Cobalt (dissolved) mg/L <0.00005 0.00006 <0.00005 <0.00005 0.00005 <0.00005 <0.00005 <0.00010 0.00015 <0.00010 0.00026 <0.00010 <0.00010 0.00082 0.00081 0.00065 0.00064 0.00071 Cobalt (total) mg/L 0.00019 Copper (dissolved) mg/L <0.0002 0.0005 <0.0002 0.0002 0.0004 <0.0002 <0.0002 0.00022 0.00149 0.00056 <0.00040 0.00067 <0.00040 <0.0002 0.0006 0.0004 0.0005 0.0005 Copper (total) mg/L 0.00194 Iron (dissolved) mg/L 0.741 0.813 <0.010 0.673 0.933 0.883 0.911 0.636 0.114 1.3 0.151 <0.010 1.2 0.54 0.53 1.02 0.99 1.13 Iron (total) mg/L 0.268 Lead (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00020 <0.00020 0.00026 <0.00020 <0.00020 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Lead (total) mg/L 0.00033 Lithium (dissolved) mg/L 0.0061 0.0062 0.0055 0.0054 0.0054 0.0057 0.0062 0.00611 0.00512 0.00625 0.0077 0.00749 0.00562 0.0053 0.0053 0.0056 0.0055 0.0058 Lithium (total) mg/L 0.00799 Magnesium (dissolved) mg/L 15.7 15.2 13.3 12 12.3 12.8 14.7 14.4 14.6 15.4 15.1 14 14.8 12.4 12 14.3 13.9 13.5 Magnesium (total) mg/L 14.2 Manganese (dissolved) mg/L 0.129 0.125 0.106 0.103 0.105 0.101 0.116 0.114 0.127 0.125 0.136 0.0333 0.111 0.182 0.176 0.198 0.193 0.169 Manganese (total) mg/L 0.141 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 <0.000010 <0.000040 <0.000040 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L <0.000010 Molybdenum (dissolved) mg/L 0.0045 0.0044 0.0042 0.0039 0.0037 0.004 0.0039 0.00383 0.00152 0.00362 0.0016 0.00051 0.00378 0.0038 0.004 0.0042 0.004 0.0041 Molybdenum (total) mg/L 0.00056 Nickel (dissolved) mg/L <0.0002 <0.0002 0.0008 <0.0002 0.0004 <0.0002 <0.0002 0.00028 0.00223 <0.00040 0.00125 0.0006 <0.00040 0.0011 0.0012 0.0011 0.0013 0.002 Nickel (total) mg/L 0.00106 Selenium (dissolved) mg/L 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Selenium (total) mg/L <0.00050 Silicon (dissolved, as Si) mg/L 7.5 7.1 6.9 6.8 7.1 6.7 7.3 7.2 6.3 7.4 6.8 7.1 6.6 7.6 7.5 8.6 8.6 8.7 Silicon (total, as Si) mg/L 7.3

SA WW Report 2018 ‐ RA Report Page 22 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 08-Jun-17 16-Aug-17 28-Nov-17 07-May-18 04-Sep-18 22-Nov-18 29-Nov-11 29-Nov-11 17-May-12 17-May-12 30-Aug-12 4111252-04 5050751-01 5081150-03 5111116-01 6051472-01 6081298-01 6111455-02 7060850-03 7081512-02 7112376-06 8050780-03 8090535-01 8111900-06 K1K1151-05 K1K1151-06 2051005-05 2051005-07 2081860-04 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Duplicate Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 Silver (total) mg/L <0.000050 Sodium (dissolved) mg/L 5.48 5.28 4.79 4.45 4.8 4.6 5.29 5.19 5.94 5.23 6.38 6.27 5.31 4.73 4.55 5.03 4.89 4.69 Sodium (total) mg/L 6.58 Strontium (dissolved) mg/L 1.08 0.995 0.883 0.847 0.829 0.864 0.997 0.938 0.842 1.11 0.915 0.975 1.05 1.12 1.11 1.11 1.11 1.13 Strontium (total) mg/L 0.96 Sulphur (dissolved) mg/L 16 14 14 10 14 14 15 14.7 10.9 20.7 11.3 13.7 19.4 14 13 17 Sulphur (total) mg/L 15 Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L <0.00050 Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 <0.000020 0.00002 <0.000020 <0.000020 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L <0.000020 Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L <0.00010 Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 0.0011 <0.0002 <0.0002 <0.00020 0.00057 <0.00020 0.00055 0.00036 0.00033 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tin (total) mg/L 0.00085 Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.005 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L 0.0108 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 Uranium (dissolved) mg/L 0.00555 0.00484 0.0045 0.00439 0.00415 0.0048 0.00535 0.00651 0.00597 0.00583 0.00643 0.00738 0.00497 0.00021 0.0002 0.00026 0.00025 0.0002 Uranium (total) mg/L 0.00739 Vanadium (dissolved) mg/L <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.001 <0.001 <0.001 <0.001 <0.001 Vanadium (total) mg/L <0.0010 Zinc (dissolved) mg/L <0.004 <0.004 0.005 <0.004 <0.004 <0.004 <0.004 0.0051 0.005 0.0053 0.0086 0.0056 <0.0040 <0.004 <0.004 <0.004 <0.004 <0.004 Zinc (total) mg/L 0.0124 Zirconium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 0.0001 <0.00010 0.00024 0.00014 <0.00010 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Zirconium (total) mg/L 0.00024

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0002 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0010 <0.0010 <0.0020 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0010 0.0189 0.003 0.0092 <0.0010 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 23 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW08-05 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 08-Jun-17 16-Aug-17 28-Nov-17 07-May-18 04-Sep-18 22-Nov-18 29-Nov-11 29-Nov-11 17-May-12 17-May-12 30-Aug-12 4111252-04 5050751-01 5081150-03 5111116-01 6051472-01 6081298-01 6111455-02 7060850-03 7081512-02 7112376-06 8050780-03 8090535-01 8111900-06 K1K1151-05 K1K1151-06 2051005-05 2051005-07 2081860-04 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Duplicate Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.022 0.038 <0.020 <0.020 0.039 0.024 0.036 0.037 0.058 0.139 0.117 0.032 0.036 0.03 0.01 0.033 0.035 0.05 Nitrate (as N) mg/L 0.025 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.013 <0.050 <0.010 <0.010 <0.010 <0.010 0.014 <0.010 3.02 2.92 0.969 Nitrate + Nitrite (as N) mg/L 0.025 <0.010 0.969 Nitrate + Nitrite (as N) (calculated) mg/L 0.025 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 <0.071 <0.014 <0.014 <0.014 <0.014 <0.01 <0.01 3.02 2.92 0.969 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.050 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 <0.010 <0.010 <0.010 Total nitrogen mg/L 0.111 0.139 1.14 Total kjeldahl nitrogen mg/L 0.09 0.14 <0.05 <0.05 0.27 0.32 0.17 Orthophosphate (dissolved, as P) mg/L <0.010 Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 0.04 <0.02 <0.02 0.04 0.03 <0.02 <0.050 <0.050 <0.050 0.123 0.147 <0.050 <0.02 <0.02 <0.02 <0.02 <0.02 Phosphorus (total, by ICPMS/ICPOES) mg/L 0.141 Potassium (dissolved) mg/L 5.45 5.15 4.55 4.29 4.49 4.34 4.61 4.65 5.4 4.92 5.99 5.41 4.13 3.46 3.34 3.64 3.59 3.46 Potassium (total) mg/L 5.74

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 24 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 28-Nov-17 08-May-18 04-Sep-18 2110475-05 3051597-05 3081785-05 3111069-05 4051475-05 4081538-02 4111252-02 5050751-03 5081150-04 5111116-03 6051472-06 6081298-04 6111455-04 7060568-04 7081512-01 7112376-09 8050835-05 8090535-05 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 590 510 580 570 780 528 577 600 630 600 619 626 617 634 635 580 682 617 Depth to Water m 23.491 23.302 23.164 23.08 23.01 22.91 22.9 22.57 22.39 22.35 22.3 22.195 22.22 23.01 21.66 22.64 21.49 Dissolved oxygen mg/L 0.98 0.92 0.9 1.6 4.21 0.51 0.12 1.79 1.85 1.03 4.59 1.41 Dissolved oxygen (percent) % 8.7 7.8 7.9 14.1 35.7 4.4 1.1 15.4 0.09 42.3 12.2 Elevation of Piezometric Surface m 503.16 503.35 503.49 503.57 503.64 503.74 503.75 504.08 504.26 504.3 504.4 504.46 504.43 503.64 504.99 504.01 505.16 Elevation of Top of Casing m 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 526.65 Ground Elevation m 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 525.8 Oxidation reduction potential mV -124 -92 -44 -83 56 -97 -99 -112 -76 -54 -116 -114 -89 -108 -121 -114 83 -1 pH 7.7 7.42 7.51 7.5 7.4 7.2 7.4 7.7 7.5 7.6 7.4 7.3 7.4 7.5 7.4 7.6 7 8.23 Temperature °C 8.7 8.5 8.7 8.4 9 9.1 8.1 8.5 8.8 8.3 8.7 9.3 8.3 9.8 9.4 8 11 9.2

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 <0.0005 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 279 280 275 278 287 268 270 266 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 259 253 253 257 270 257 254 275 268 280 279 280 275 278 287 268 270 266 Bicarbonate Alkalinity (as HCO3) mg/L 340 341 335 339 350 327 329 325 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <10 <10 <10 <10 <10 <10 <6 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.20 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 6.91 8.34 7.05 8.4 10.1 7.56 9.01 9.28 9.01 9.11 9.64 9.78 9.59 9.39 12.3 11 15.8 9.03 Conductivity μS/cm 556 557 560 577 806 577 584 565 584 596 602 607 615 600 654 600 642 596 Fluoride mg/L 0.51 0.44 0.34 0.43 0.42 0.47 0.49 0.5 Hardness, Total (dissolved as CaCO3) mg/L 277 305 295 309 394 299 307 337 305 314 323 289 317 335 326 316 338 285 Hardness, Total (total as CaCO3) mg/L pH 7.93 7.53 7.85 7.89 7.82 7.77 7.95 7.86 7.92 7.84 7.73 7.9 7.83 7.7 7.61 8.06 7.6 7.92 Sulphate mg/L 43 40.8 39.9 41.7 94 38.4 36.7 41.5 39.3 42.6 42.1 42.9 43.6 44.5 58.2 40.4 50.2 37.8 Temperature of observed pH °C Total organic carbon mg/L 0.7 1.2 1.7 1.8 12.5 <0.5 1.1 1.6 1.2 0.9 1 0.9 1 2.62 13.4 2.88 7.21 1.27 Total suspended solids mg/L Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 25 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 28-Nov-17 08-May-18 04-Sep-18 2110475-05 3051597-05 3081785-05 3111069-05 4051475-05 4081538-02 4111252-02 5050751-03 5081150-04 5111116-03 6051472-06 6081298-04 6111455-04 7060568-04 7081512-01 7112376-09 8050835-05 8090535-05 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 <0.0005 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L 0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.008 <0.005 <0.005 0.023 0.017 0.009 0.146 <0.0050 0.0215 0.0109 0.135 <0.0050 Aluminum (total) mg/L 0.0179 Antimony (dissolved) mg/L <0.0001 0.0002 0.0002 <0.0001 0.0004 0.0001 0.0003 0.0009 0.0001 0.0004 0.0003 <0.0001 0.0001 0.00013 0.00069 <0.00020 0.00095 <0.00020 Antimony (total) mg/L <0.00020 Arsenic (dissolved) mg/L 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 Arsenic (total) mg/L <0.00050 Barium (dissolved) mg/L 0.133 0.13 0.132 0.117 0.122 0.129 0.146 0.118 0.117 0.136 0.136 0.132 0.14 0.147 0.108 0.144 0.14 0.138 Barium (total) mg/L 0.151 Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 Boron (dissolved) mg/L 0.005 0.011 0.007 <0.004 0.028 0.005 0.006 0.012 <0.004 0.008 0.01 <0.004 0.013 0.024 0.0418 0.0118 0.0585 0.0066 Boron (total) mg/L 0.0072 Cadmium (dissolved) mg/L <0.00001 0.00001 0.00002 0.00001 0.00004 <0.00001 0.00002 0.00003 0.00002 0.00003 0.00001 <0.00001 0.00001 0.000013 0.000052 <0.000010 0.000039 <0.000010 Cadmium (total) mg/L <0.000010 Calcium (dissolved) mg/L 89.9 99.4 96 103 123 98.5 100 111 101 104 107 95.2 104 108 103 104 110 91.9 Calcium (total) mg/L 97.1 Chromium (dissolved) mg/L <0.0005 0.001 <0.0005 <0.0005 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 0.00054 <0.00050 Chromium (total) mg/L <0.00050 Cobalt (dissolved) mg/L 0.00042 0.00044 0.00025 0.00039 0.00083 0.00028 0.00029 0.00056 0.00063 0.00047 0.00029 0.00031 0.0003 0.00053 0.00056 0.00011 0.00134 <0.00010 Cobalt (total) mg/L 0.00011 Copper (dissolved) mg/L <0.0002 0.0002 0.0005 0.0004 0.0066 <0.0002 0.0002 0.0007 0.0004 0.0008 0.0009 <0.0002 0.0014 0.00154 0.0115 <0.00040 0.00851 <0.00040 Copper (total) mg/L 0.00093 Iron (dissolved) mg/L 1.46 1.4 1.35 1.31 0.016 1.23 1.64 1.01 0.016 1.17 1.24 1.49 1.18 0.404 0.045 2.14 1.38 <0.010 Iron (total) mg/L 2.26 Lead (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002 0.0001 <0.0001 0.0001 <0.00010 <0.00020 <0.00020 0.00053 <0.00020 Lead (total) mg/L <0.00020 Lithium (dissolved) mg/L 0.0059 0.0062 0.006 0.0057 0.0064 0.0063 0.0059 0.0068 0.0058 0.006 0.0061 0.0059 0.0063 0.00653 0.00555 0.0062 0.00654 0.0061 Lithium (total) mg/L 0.00596 Magnesium (dissolved) mg/L 12.8 13.8 13.3 12.9 20.9 12.9 13.6 14.7 13 12.9 13.6 12.5 13.8 15.7 16.8 13.7 15.3 13.4 Magnesium (total) mg/L 12.8 Manganese (dissolved) mg/L 0.133 0.134 0.122 0.109 0.0837 0.132 0.153 0.29 0.175 0.147 0.136 0.126 0.128 0.199 0.129 0.119 0.166 0.101 Manganese (total) mg/L 0.12 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 <0.000010 <0.000040 Mercury (total) mg/L <0.000010 Molybdenum (dissolved) mg/L 0.0039 0.0043 0.0039 0.0037 0.004 0.0037 0.0042 0.0041 0.0037 0.0039 0.0039 0.0037 0.0037 0.00417 0.00503 0.00359 0.00462 0.00376 Molybdenum (total) mg/L 0.00381 Nickel (dissolved) mg/L 0.0005 0.0007 0.0006 0.0009 0.0072 0.0003 0.0004 0.0014 0.0016 0.0005 0.0008 0.0003 0.0008 0.00108 0.0066 <0.00040 0.00364 <0.00040 Nickel (total) mg/L <0.00040 Selenium (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 Selenium (total) mg/L <0.00050 Silicon (dissolved, as Si) mg/L 9.2 10 8.6 7.2 8.8 8.2 9.1 8.5 8.1 8.9 9.8 8.1 9 10.1 8.1 9.2 9.2 8.8 Silicon (total, as Si) mg/L 9

SA WW Report 2018 ‐ RA Report Page 26 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 28-Nov-17 08-May-18 04-Sep-18 2110475-05 3051597-05 3081785-05 3111069-05 4051475-05 4081538-02 4111252-02 5050751-03 5081150-04 5111116-03 6051472-06 6081298-04 6111455-04 7060568-04 7081512-01 7112376-09 8050835-05 8090535-05 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 Silver (total) mg/L <0.000050 Sodium (dissolved) mg/L 4.45 4.66 4.46 4.24 7.13 4.28 4.53 4.97 4.2 4.24 4.62 3.94 4.86 5.43 8.1 4.1 10.3 3.89 Sodium (total) mg/L 3.96 Strontium (dissolved) mg/L 1.18 1.24 1.22 1.22 1.17 1.21 1.37 1.25 1.18 1.27 1.27 1.14 1.26 1.33 1.14 1.251.261.22 Strontium (total) mg/L 1.27 Sulphur (dissolved) mg/L 12 14 10 10 30 12 13 14 12 13 14 13 13 16.8 15 14.3 21.5 13 Sulphur (total) mg/L 14.1 Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 <0.00050 <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 <0.000020 <0.000020 <0.000020 Thallium (total) mg/L <0.000020 Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Thorium (total) mg/L <0.00010 Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0003 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.00020 0.00035 <0.00020 0.00037 <0.00020 Tin (total) mg/L <0.00020 Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.0050 <0.0050 0.0094 <0.0050 Titanium (total) mg/L <0.0050 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 Uranium (dissolved) mg/L 0.0001 0.00011 0.0001 0.00012 0.00083 0.00007 0.00008 0.00019 0.00014 0.00011 0.00014 0.0001 0.00011 0.000227 0.000428 0.000073 0.000249 0.000061 Uranium (total) mg/L 0.000066 Vanadium (dissolved) mg/L <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vanadium (total) mg/L <0.0010 Zinc (dissolved) mg/L <0.004 <0.004 <0.004 <0.004 0.238 0.004 <0.004 <0.004 <0.004 0.006 <0.004 <0.004 0.005 0.0167 0.019 <0.0040 0.0136 <0.0040 Zinc (total) mg/L <0.0040 Zirconium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002 <0.00010 0.00015 <0.00010 0.00014 <0.00010 Zirconium (total) mg/L <0.00010

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 <0.0003 <0.0002 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0010 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 0.0148 <0.0010 0.0075 0.011 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 27 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 MW11-06 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 28-Nov-17 08-May-18 04-Sep-18 2110475-05 3051597-05 3081785-05 3111069-05 4051475-05 4081538-02 4111252-02 5050751-03 5081150-04 5111116-03 6051472-06 6081298-04 6111455-04 7060568-04 7081512-01 7112376-09 8050835-05 8090535-05 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.032 <0.020 0.027 0.021 0.023 0.033 0.041 0.035 <0.020 <0.020 0.021 0.053 0.032 0.036 0.029 0.03 0.044 0.026 Nitrate (as N) mg/L <0.010 0.463 0.286 0.29 15.1 <0.010 <0.010 0.746 0.116 0.038 0.258 0.022 0.015 0.482 2.31 0.097 3.56 <0.010 Nitrate + Nitrite (as N) mg/L <0.020 0.463 0.286 0.29 15.1 <0.010 <0.010 0.746 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 0.463 0.286 0.29 15.1 <0.014 <0.014 0.746 0.116 0.038 0.258 0.022 0.015 0.482 2.31 0.097 3.56 <0.014 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.050 <0.010 <0.010 <0.010 Total nitrogen mg/L 0.086 0.654 0.45 0.475 16.5 0.105 0.083 0.873 Total kjeldahl nitrogen mg/L 0.09 0.19 0.16 0.18 1.39 0.1 0.08 0.13 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 <0.02 0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.02 <0.02 <0.02 <0.050 <0.050 <0.050 <0.050 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L <0.050 Potassium (dissolved) mg/L 3.49 3.85 3.68 3.54 4.83 3.6 3.99 3.84 3.42 3.53 3.88 3.34 3.43 4.07 4.21 3.7 4.24 3.36 Potassium (total) mg/L 3.6

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 28 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 05-Sep-18 05-Sep-18 21-Nov-18 31-May-16 20-Jun-16 17-Nov-16 08-Jun-17 15-Aug-17 28-Nov-17 07-May-18 05-Sep-18 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 11-Mar-03 13-May-03 12-Aug-03 8090535-10 8090535-11 8111900-02 6060122-01 6061630-01 6111372-01 7060850-02 7081345-05 7112376-05 8050780-02 8090535-06 8111900-04 Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 617 617 545 937 1005 730 774 788 1037 865 670 Depth to Water m 21.49 21.49 21.47 37.03 36.94 37.13 36.22 33.39 36.59 33.48 36.22 25.76 25.81 26.05 Dissolved oxygen mg/L 1.41 1.41 2.37 8 6.05 6.23 6.28 35.3 7.05 8.27 Dissolved oxygen (percent) % 12.2 12.2 20.1 83.4 50.1 35.7 36 3.96 63.6 71.7 Elevation of Piezometric Surface m 505.16 505.16 505.18 505.2 505.29 505.1 506.01 508.84 505.64 508.75 506.01 503.31 503.26 503.02 Elevation of Top of Casing m 526.65 526.65 526.65 542.226 542.226 542.226 542.226 542.226 542.226 542.226 542.226 542.226 529.07 529.07 529.07 529.07 529.07 529.07 Ground Elevation m 525.8 525.8 525.8 541.48 541.48 541.48 541.48 541.48 541.48 541.48 541.48 541.48 528.18 528.18 528.18 528.18 528.18 528.18 Oxidation reduction potential mV -1 -1 -109 -18 146 160 132 110 132 29 139 146 pH 8.23 8.23 7.72 7.4 8.2 7.3 6.9 7.2 7 8.93 7.3 Temperature °C 9.2 9.2 7.9 11.6 10.2 7.6 9.5 15.3 9.2 9.9 10.8 8.8 9 13 8 8.5 10 10.5

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0005 <0.0005 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 255 261 286 404 319 377 332 372 493 424 381 Alkalinity (carbonate, as CaCO3) mg/L <1.0 <1.0 <1.0 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1.0 <1.0 <1.0 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1.0 <1.0 <1.0 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 255 261 286 404 319 377 332 372 493 424 381 950 1030 1140 980 840 894 Bicarbonate Alkalinity (as HCO3) mg/L 312 319 349 389 459 405 454 601 517 464 Carbonate Alkalinity (as CO3) mg/L <0.600 <0.600 <0.600 <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <0.340 <0.340 <0.340 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L 120 133 101 54 29 59 Chloride mg/L 9.08 8.42 9.99 13.1 11.5 10.2 5.91 9.13 9.64 9.04 6.41 42.5 45 43.8 44.5 43 45 Conductivity μS/cm 577 579 895 763 762 740 833 1040 920 1640 1590 1640 1640 1610 1530 Fluoride mg/L 0.32 0.37 0.23 0.26 <0.10 0.37 0.33 0.34 0.24 Hardness, Total (dissolved as CaCO3) mg/L 271 269 315 496 399 416 386 451 626 373 391 Hardness, Total (total as CaCO3) mg/L pH 7.9 7.79 7.91 7.45 7.55 6.88 7.62 7.85 7.68 7.73 7.71 7 7.2 7.1 7 7.3 7.9 Sulphate mg/L 39.1 39.5 38.6 108 79.6 67.2 66.2 77.1 122 74.4 49.9 72 77 65 75 71 72 Temperature of observed pH °C 22 Total organic carbon mg/L 1.67 1.29 2.2 2.2 9.43 7.61 1.59 1.51 1.48 Total suspended solids mg/L 391 Turbidity NTU 2480 >4000 >4000 850 320 330

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 29 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 05-Sep-18 05-Sep-18 21-Nov-18 31-May-16 20-Jun-16 17-Nov-16 08-Jun-17 15-Aug-17 28-Nov-17 07-May-18 05-Sep-18 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 11-Mar-03 13-May-03 12-Aug-03 8090535-10 8090535-11 8111900-02 6060122-01 6061630-01 6111372-01 7060850-02 7081345-05 7112376-05 8050780-02 8090535-06 8111900-04 Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0005 <0.0005 Chloroform mg/L 0.003 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L 0.003 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.0050 <0.0050 0.0096 0.006 <0.005 0.0162 0.0103 0.0133 0.0434 <0.0050 0.0203 <0.2 <0.2 Aluminum (total) mg/L 0.0195 0.0128 0.074 Antimony (dissolved) mg/L <0.00020 <0.00020 <0.00020 0.0003 0.0003 0.00101 <0.00020 <0.00020 0.00033 <0.00020 <0.00020 <0.2 <0.2 Antimony (total) mg/L <0.00020 <0.00020 0.00031 Arsenic (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 0.00051 <0.00050 <0.00050 <0.2 <0.2 Arsenic (total) mg/L <0.00050 <0.00050 0.00053 Barium (dissolved) mg/L 0.138 0.137 0.147 0.099 0.081 0.0855 0.0702 0.0901 0.11 0.0893 0.0814 0.22 0.24 Barium (total) mg/L 0.147 0.142 0.104 Beryllium (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 <0.00010 <0.00010 Bismuth (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 <0.00010 <0.00010 Boron (dissolved) mg/L <0.0050 <0.0050 0.0109 0.123 0.097 0.167 0.198 0.169 0.149 0.112 0.105 0.1 0.2 Boron (total) mg/L <0.0050 <0.0050 0.116 Cadmium (dissolved) mg/L <0.000010 <0.000010 0.000016 0.00007 0.00002 0.000023 0.000023 0.000016 0.000045 <0.000010 0.000018 <0.01 <0.01 Cadmium (total) mg/L <0.000010 <0.000010 0.000013 Calcium (dissolved) mg/L 87.2 86.1 103 146 105 110 107 124 171 86.3 106 181 183 Calcium (total) mg/L 95.6 92.6 127 Chromium (dissolved) mg/L <0.00050 <0.00050 <0.00050 0.0007 0.0022 0.00206 0.0017 0.00163 <0.00050 0.00117 0.00157 <0.01 <0.01 Chromium (total) mg/L <0.00050 <0.00050 0.00179 Cobalt (dissolved) mg/L <0.00010 <0.00010 <0.00010 0.00538 0.00047 0.00032 0.00055 0.00057 0.0006 0.00076 0.00056 Cobalt (total) mg/L 0.00013 0.00011 0.00095 Copper (dissolved) mg/L <0.00040 <0.00040 <0.00040 0.001 <0.0002 0.00259 0.00124 0.00113 <0.00040 0.00058 0.00096 <0.01 <0.01 Copper (total) mg/L <0.00040 <0.00040 0.00139 Iron (dissolved) mg/L <0.010 <0.010 1.86 0.073 <0.010 0.025 0.042 0.04 0.103 <0.010 0.061 <0.03 0.11 Iron (total) mg/L 2.25 2.14 0.307 Lead (dissolved) mg/L <0.00020 <0.00020 <0.00020 <0.0001 <0.0001 0.00019 <0.00020 <0.00020 <0.00020 <0.00020 <0.00020 <0.05 <0.05 Lead (total) mg/L <0.00020 <0.00020 0.0002 Lithium (dissolved) mg/L 0.00561 0.00554 0.00564 0.0106 0.0097 0.0116 0.0104 0.0108 0.0137 0.011 0.0093 Lithium (total) mg/L 0.00571 0.00553 0.0111 Magnesium (dissolved) mg/L 13 13 13.8 32 32.9 34 29 33.9 48 38.2 30.7 112 115 Magnesium (total) mg/L 12.6 12.1 36.9 Manganese (dissolved) mg/L 0.0795 0.0727 0.11 0.589 0.0171 0.0119 0.029 0.0106 0.0104 <0.00020 0.00423 0.261 0.139 Manganese (total) mg/L 0.118 0.114 0.00681 Mercury (dissolved) mg/L <0.000040 <0.000040 <0.000040 <0.00002 <0.00002 <0.000010 <0.000010 <0.000010 <0.000040 <0.000040 Mercury (total) mg/L <0.000010 <0.000010 <0.000010 Molybdenum (dissolved) mg/L 0.00377 0.00376 0.00363 0.0035 0.0011 0.00114 0.00114 0.00118 0.00152 0.00133 0.00135 <0.03 <0.03 Molybdenum (total) mg/L 0.00382 0.00374 0.00131 Nickel (dissolved) mg/L <0.00040 <0.00040 0.00066 0.0096 0.0008 0.00261 0.00207 0.00272 0.0037 0.00263 0.00167 <0.05 <0.05 Nickel (total) mg/L <0.00040 <0.00040 0.00306 Selenium (dissolved) mg/L <0.00050 <0.00050 <0.00050 0.0008 0.0007 0.0007 0.00072 0.00057 <0.00050 <0.00050 0.00054 <0.2 <0.2 Selenium (total) mg/L <0.00050 <0.00050 <0.00050 Silicon (dissolved, as Si) mg/L 8.8 8.6 8.1 10.8 13.9 14.4 12.3 13.3 13.6 13.2 11.5 Silicon (total, as Si) mg/L 8.7 8.5 13

SA WW Report 2018 ‐ RA Report Page 30 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 05-Sep-18 05-Sep-18 21-Nov-18 31-May-16 20-Jun-16 17-Nov-16 08-Jun-17 15-Aug-17 28-Nov-17 07-May-18 05-Sep-18 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 11-Mar-03 13-May-03 12-Aug-03 8090535-10 8090535-11 8111900-02 6060122-01 6061630-01 6111372-01 7060850-02 7081345-05 7112376-05 8050780-02 8090535-06 8111900-04 Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.000050 <0.000050 <0.000050 <0.00005 <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 Silver (total) mg/L <0.000050 <0.000050 <0.000050 Sodium (dissolved) mg/L 3.78 3.82 4.31 13.4 13.6 14.4 13.7 12.4 15.2 13.6 11.9 23 24 Sodium (total) mg/L 3.81 3.7 13.6 Strontium (dissolved) mg/L 1.23 1.22 1.2 1.07 0.792 0.797 0.712 1.04 1.22 0.974 0.801 Strontium (total) mg/L 1.25 1.21 1.06 Sulphur (dissolved) mg/L 12.6 12.7 12.3 32 28 23 24.5 30.1 36.6 22.8 16.4 Sulphur (total) mg/L 14.5 13.9 26 Tellurium (dissolved) mg/L <0.00050 <0.00050 <0.00050 <0.0002 <0.0002 <0.00020 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 <0.00050 <0.00050 Thallium (dissolved) mg/L <0.000020 <0.000020 <0.000020 0.00004 <0.00002 <0.000020 <0.000020 <0.000020 0.000026 <0.000020 <0.000020 Thallium (total) mg/L <0.000020 <0.000020 <0.000020 Thorium (dissolved) mg/L <0.00010 <0.00010 <0.00010 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Thorium (total) mg/L <0.00010 <0.00010 <0.00010 Tin (dissolved) mg/L <0.00020 <0.00020 0.0003 <0.0002 0.0004 0.00149 0.00087 <0.00020 <0.00020 <0.00020 <0.00020 Tin (total) mg/L <0.00020 <0.00020 0.00023 Titanium (dissolved) mg/L <0.0050 <0.0050 <0.0050 <0.005 <0.005 0.0068 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 Titanium (total) mg/L <0.0050 <0.0050 0.0065 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 <0.0010 <0.0010 Uranium (dissolved) mg/L 0.000061 0.000059 0.000127 0.00722 0.00663 0.00582 0.0062 0.00648 0.0103 0.00685 0.00481 Uranium (total) mg/L 0.000061 0.000062 0.00765 Vanadium (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.001 <0.001 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vanadium (total) mg/L <0.0010 <0.0010 0.001 Zinc (dissolved) mg/L <0.0040 <0.0040 <0.0040 0.012 0.028 0.0883 0.0213 <0.0040 0.0048 <0.0040 <0.0040 0.011 0.006 Zinc (total) mg/L <0.0040 <0.0040 0.0046 Zirconium (dissolved) mg/L <0.00010 <0.00010 <0.00010 0.0001 <0.0001 <0.00010 <0.00010 <0.00010 0.00014 <0.00010 <0.00010 Zirconium (total) mg/L <0.00010 <0.00010 0.00017

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0002 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L trans-1,3-Dichloropropene mg/L Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0010 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L 0.0562 <0.0010 0.0051 0.0016 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 31 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW11-06 MW11-06 MW11-06 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW16-07 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 05-Sep-18 05-Sep-18 21-Nov-18 31-May-16 20-Jun-16 17-Nov-16 08-Jun-17 15-Aug-17 28-Nov-17 07-May-18 05-Sep-18 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 11-Mar-03 13-May-03 12-Aug-03 8090535-10 8090535-11 8111900-02 6060122-01 6061630-01 6111372-01 7060850-02 7081345-05 7112376-05 8050780-02 8090535-06 8111900-04 Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.03 0.028 0.074 0.037 0.031 0.068 0.069 <0.020 0.063 0.026 0.039 Nitrate (as N) mg/L <0.010 <0.010 <0.010 1.2 1.76 0.81 0.942 0.737 1.43 1.69 0.08 0.02 <0.01 0.02 0.01 <0.01 Nitrate + Nitrite (as N) mg/L 0.716 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 <0.014 1.2 1.77 0.81 0.942 0.737 1.43 1.69 <0.01 <0.01 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 0.013 <0.010 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Total nitrogen mg/L 1.02 Total kjeldahl nitrogen mg/L 0.3 1.6 2.3 1.6 0.5 0.62 0.78 Orthophosphate (dissolved, as P) mg/L <0.01 Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.050 <0.050 <0.050 <0.02 <0.02 0.179 <0.050 <0.050 <0.050 <0.050 <0.050 <0.3 <0.3 Phosphorus (total, by ICPMS/ICPOES) mg/L <0.050 <0.050 <0.050 Potassium (dissolved) mg/L 3.4 3.42 3.11 5.69 5.34 4.98 4.53 4.72 5.74 4.58 3.76 9 9 Potassium (total) mg/L 3.59 3.46 4.82

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L <0.000050 Acenaphthylene mg/L <0.000200 Acridine mg/L <0.000100 Anthracene mg/L 0.000012 Benz[a]anthracene mg/L 0.000224 Benzo[a]pyrene mg/L <0.000010 Benzo[b]fluoranthene mg/L 0.000163 Benzo[g,h,i]perylene mg/L 0.000332 Benzo[k]fluoranthene mg/L 0.00036 Chrysene mg/L 0.000732 Dibenz[a,h]anthracene mg/L 0.000326 Fluoranthene mg/L 0.000043 Fluorene mg/L <0.000050 Indeno[1,2,3-cd]pyrene mg/L 0.000174 Naphthalene mg/L <0.000200 Phenanthrene mg/L <0.000100 Pyrene mg/L <0.000020 Quinoline mg/L <0.000100

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MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 K705762-01 K7H0335-01 K7K0179-01 K8A0188-01

Analyte Unit

Field Results Conductivity μS/cm Depth to Water m 26.1 26.15 26.28 26.39 26.44 26.45 26.45 26.42 26.36 26.44 26.4 26.5 26.45 21.44 26.53 26.5 26.36 31.95 Dissolved oxygen mg/L Dissolved oxygen (percent) % Elevation of Piezometric Surface m 503 502.92 502.79 502.68 502.63 502.62 502.62 502.65 502.71 502.63 502.7 502.6 502.62 507.63 502.54 502.57 502.71 497.12 Elevation of Top of Casing m 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 Ground Elevation m 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 Oxidation reduction potential mV pH Temperature °C 9 8.5 10 12 9 8 9.5 8 7 7 11.7 11 8 6 10 11.5 7 5

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L 1,3-Dichlorobenzene mg/L 1,4-Dichlorobenzene mg/L 1,1-Dichloroethane mg/L 1,2-Dichloroethane mg/L 1,1-Dichloroethylene mg/L cis-1,2-Dichloroethylene mg/L trans-1,2-Dichloroethylene mg/L Monochlorobenzene mg/L 1,1,2,2-Tetrachloroethane mg/L Tetrachloroethylene mg/L 1,1,1-Trichloroethane mg/L 1,1,2-Trichloroethane mg/L Trichloroethylene mg/L

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 896 820 980 1020 930 890 880 908 860 900 900 960 920 912 1010 909 963 889 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L 38 40 55 29 38 38 39 48 45 25 54 75 20 6 <5 <5 19 Chloride mg/L 45.5 46 43.5 46 52.5 55.5 57.5 66.3 62.5 68.8 84 76.3 66.3 73.8 73.9 61.4 64.4 65 Conductivity μS/cm 1587 1550 1580 1620 1700 1590 1680 1690 1680 1680 1690 1680 1640 1660 1750 1610 1630 1640 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L Hardness, Total (total as CaCO3) mg/L pH 7776.8 7 7.1 7.2 7.2 7.1 7.1 6.9 7.5 7.2 7 6.6 6.5 6.9 6.9 Sulphate mg/L 71 66 70 62 56 63 59 49 55 54 59 42 53 42 54.4 43.9 42.7 45.3 Temperature of observed pH °C Total organic carbon mg/L Total suspended solids mg/L Turbidity NTU 238 240 170 210 190 170 110 170 120 90 150 100 50 62

Halogenated Methanes Bromodichloromethane mg/L

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MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 K705762-01 K7H0335-01 K7K0179-01 K8A0188-01

Analyte Unit

Bromoform mg/L Bromomethane mg/L Carbon tetrachloride mg/L Chloroform mg/L Chloromethane mg/L Dibromochloromethane mg/L Dibromomethane mg/L Dichloromethane mg/L Total Trihalomethanes (calculated) mg/L Trichlorofluoromethane mg/L

Metals Aluminum (dissolved) mg/L <0.2 <0.2 <0.2 <0.050 Aluminum (total) mg/L Antimony (dissolved) mg/L <0.2 <0.2 <0.2 <0.0050 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.2 <0.2 <0.2 <0.0050 Arsenic (total) mg/L Barium (dissolved) mg/L 0.25 0.28 0.31 0.254 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0010 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0010 Bismuth (total) mg/L Boron (dissolved) mg/L 0.2 0.3 0.3 0.118 Boron (total) mg/L Cadmium (dissolved) mg/L <0.01 <0.01 <0.01 <0.00010 Cadmium (total) mg/L Calcium (dissolved) mg/L 192 200 230 198 Calcium (total) mg/L Chromium (dissolved) mg/L <0.01 <0.01 <0.01 0.0068 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.0017 Cobalt (total) mg/L Copper (dissolved) mg/L <0.01 <0.01 <0.01 <0.0050 Copper (total) mg/L Iron (dissolved) mg/L 0.2 0.61 0.64 1.23 Iron (total) mg/L Lead (dissolved) mg/L <0.05 <0.05 <0.05 0.0027 Lead (total) mg/L Lithium (dissolved) mg/L 0.0211 Lithium (total) mg/L Magnesium (dissolved) mg/L 118 110 140 122 Magnesium (total) mg/L Manganese (dissolved) mg/L 0.086 0.098 0.1 0.0702 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00050 Mercury (total) mg/L Molybdenum (dissolved) mg/L <0.03 <0.03 <0.03 <0.0020 Molybdenum (total) mg/L Nickel (dissolved) mg/L <0.05 <0.05 <0.05 0.015 Nickel (total) mg/L Selenium (dissolved) mg/L <0.2 <0.2 <0.2 <0.0100 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 16.1 Silicon (total, as Si) mg/L

SA WW Report 2018 ‐ RA Report Page 34 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 K705762-01 K7H0335-01 K7K0179-01 K8A0188-01

Analyte Unit

Silver (dissolved) mg/L <0.0004 Silver (total) mg/L Sodium (dissolved) mg/L 27 33 35 25.7 Sodium (total) mg/L Strontium (dissolved) mg/L 1.77 Strontium (total) mg/L Sulphur (dissolved) mg/L Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0050 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.0010 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0050 Thorium (total) mg/L Tin (dissolved) mg/L <0.0020 Tin (total) mg/L Titanium (dissolved) mg/L <0.0200 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.0156 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.0050 Vanadium (total) mg/L Zinc (dissolved) mg/L 0.018 0.023 0.021 <0.040 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.010 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L 1,2-Dibromoethane mg/L 1,2-Dichloropropane mg/L 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L trans-1,3-Dichloropropene mg/L Methyl tert-butyl ether (MTBE) mg/L Vinyl chloride mg/L

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L Ethylbenzene mg/L Styrene mg/L Toluene mg/L Xylenes mg/L

Nutrients

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MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 K705762-01 K7H0335-01 K7K0179-01 K8A0188-01

Analyte Unit

Ammonia (total, as N) mg/L 35 0.07 0.02 <0.02 0.02 Nitrate (as N) mg/L 0.02 <0.01 0.01 0.01 0.04 0.01 <0.01 0.01 <0.01 <0.01 0.01 <0.01 <0.02 <0.02 <0.010 <0.010 0.015 <0.02 Nitrate + Nitrite (as N) mg/L <0.01 <0.020 <0.020 <0.020 <0.01 Nitrate + Nitrite (as N) (calculated) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 <0.02 <0.02 <0.014 <0.014 0.015 <0.02 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.01 Total nitrogen mg/L Total kjeldahl nitrogen mg/L 0.46 0.44 0.72 0.4 0.4 0.4 0.28 0.52 0.32 0.4 0.46 1.56 0.22 0.24 0.56 0.35 0.420.36 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.3 <0.3 <0.3 <0.500 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 10 9 12 9.97 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 14-May-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 22-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 10-Sep-12 08-Nov-12 K8E0498-01 K8E0498-04 K8H0675-01 K8K0382-01 K9A0676-01 K9D0454-01 K9H0994-01 K9K0328-01 K0B0173-01 K0D0728-04 K0H0741-01 K0K0437-01 K1D0772-01 K1G0538-01 K1K1151-01 2051005-01 2090451-01 2110475-01 Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 1620 1620 1530 1730 1630 1590 1500 1600 1480 1670 1620 1720 1510 1490 1640 1620 1510 1690 Depth to Water m 26.48 26.48 26.32 26.237 26.28 23.336 26.46 26.442 26.5 26.54 26.63 26.66 26.81 26.76 26.6 26.65 26.59 26.488 Dissolved oxygen mg/L 3.1 1.96 0.88 Dissolved oxygen (percent) % Elevation of Piezometric Surface m 502.59 502.59 502.75 502.83 502.79 505.73 502.61 502.63 502.6 502.53 502.44 502.41 502.26 502.31 502.47 502.42 502.48 502.58 Elevation of Top of Casing m 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 Ground Elevation m 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 Oxidation reduction potential mV -20 -18 -26 -19 -24 -22 -25 40 -27 pH 6.2 6.2 6.94 6.96 6.9 6.9 6.97 6.68 6.79 6.73 6.77 6.76 6.74 7.05 6.82 6.76 7.43 6.8 Temperature °C 13.7 13.7 10.2 7.9 8.2 11.2 12.4 9.3 9.2 10.4 11 9.1 9.7 10.6 8.3 10.2 10.9 10.2

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 0.001 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L 0.0018 0.0014 0.0025 0.003 0.0022 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 828 798 960 941 854 894 884 904 893 913 916 245 884 889 862 849 912 922 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L Chloride mg/L 51 49.2 60 67.3 57.2 55.3 56.9 51.4 50.7 56 53.3 53.6 54.5 48.1 50.3 45.2 46.6 43.9 Conductivity μS/cm 1630 1660 1650 1610 1670 1670 1660 1670 1660 519 1630 1620 1670 1710 1740 1720 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L 890 936 901 181 1000 822 1020 904 861 958 5590 600 900 880 872 882 900 913 Hardness, Total (total as CaCO3) mg/L pH 6.6 6.6 6.5 6.9 7.28 7.26 7.3 7.35 7.43 8.19 7.51 7.3 7.63 7.55 7.49 7.4 Sulphate mg/L 40.9 40 42.5 37.7 40.1 40.9 38.8 40.5 46.9 50.8 50.2 52.1 51.3 65.7 57.8 63 56.362 Temperature of observed pH °C Total organic carbon mg/L 6 6.9 5.1 7.1 8.4 9.8 11.7 8.2 8.7 13.8 13.1 4.6 19.6 4.8 5 3.9 8 5.4 Total suspended solids mg/L 187 864 56 92 91 231 9570 589 16 21 24 45 110 31 42 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

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MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 14-May-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 22-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 10-Sep-12 08-Nov-12 K8E0498-01 K8E0498-04 K8H0675-01 K8K0382-01 K9A0676-01 K9D0454-01 K9H0994-01 K9K0328-01 K0B0173-01 K0D0728-04 K0H0741-01 K0K0437-01 K1D0772-01 K1G0538-01 K1K1151-01 2051005-01 2090451-01 2110475-01 Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0020 <0.0020 <0.0030 <0.0030 0.0036 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.050 <0.050 <0.010 <0.010 <0.005 <0.005 0.011 <0.005 0.007 0.028 <0.005 <0.005 0.007 0.007 <0.005 <0.005 <0.005 <0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L <0.0030 <0.0030 <0.0006 <0.0006 0.0002 0.0009 0.0002 <0.0001 0.0001 0.0001 0.0003 0.0004 0.0011 0.0004 <0.0020 0.0004 0.0003 0.0001 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.0050 <0.0050 <0.0010 0.001 0.0008 0.0006 0.0007 0.0008 0.001 0.0005 0.0015 0.0008 0.0008 0.0008 0.0008 0.0009 0.0009 0.0009 Arsenic (total) mg/L Barium (dissolved) mg/L 0.216 0.227 0.231 0.244 0.233 0.25 0.277 0.244 0.256 0.222 0.261 0.248 0.253 0.24 0.239 0.241 0.253 0.253 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0020 <0.0020 <0.0004 <0.0004 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0005 <0.0005 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L 0.113 0.124 0.137 0.153 0.164 0.131 0.164 0.138 0.141 0.13 0.103 0.107 0.158 0.128 0.144 0.151 0.172 0.201 Boron (total) mg/L Cadmium (dissolved) mg/L <0.00010 <0.00010 <0.00002 <0.00002 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.000009 <0.00001 <0.00001 0.00002 0.00002 <0.00001 0.00002 <0.00001 <0.00001 Cadmium (total) mg/L Calcium (dissolved) mg/L 171 177 183 36 198 156 213 177 162 201 2060 22.6 186 176 175 174 173 184 Calcium (total) mg/L Chromium (dissolved) mg/L <0.005 <0.005 0.043 0.029 0.0199 0.0129 0.0018 0.005 0.0293 0.0012 0.0282 0.0032 <0.0005 <0.0005 <0.0005 <0.0005 0.0007 0.0006 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.0014 0.0014 0.0012 0.0012 0.00126 0.00121 0.00149 0.00128 0.00118 0.00131 0.00151 0.00147 0.00141 0.00148 0.00151 0.00168 0.00157 0.00162 Cobalt (total) mg/L Copper (dissolved) mg/L <0.0030 <0.0030 0.0007 0.0006 0.0007 0.0014 0.0011 0.0007 0.0012 0.0002 0.0011 0.0005 0.0006 0.0004 0.0006 0.0003 <0.0002 <0.0002 Copper (total) mg/L Iron (dissolved) mg/L 1.6 1.51 0.984 1.03 0.937 0.377 0.931 1.15 1.03 1.21 1.54 1.37 1.15 1.23 1.21 1.38 1.3 1.21 Iron (total) mg/L Lead (dissolved) mg/L <0.0010 <0.0010 <0.0002 <0.0002 0.0006 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Lead (total) mg/L Lithium (dissolved) mg/L 0.0162 0.0162 0.0192 0.0214 0.0179 0.0207 0.022 0.0207 0.0211 0.013 0.0168 0.0231 0.0184 0.0175 0.0172 0.0174 0.0198 0.0185 Lithium (total) mg/L Magnesium (dissolved) mg/L 113 120 108 22 123 105 119 112 111 111 112 132 106 107 106 109 114 110 Magnesium (total) mg/L Manganese (dissolved) mg/L 0.0594 0.0596 0.0569 0.061 0.0655 0.0654 0.0814 0.0742 0.073 0.0675 0.0859 0.0931 0.0968 0.107 0.0984 0.116 0.104 0.1 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00030 <0.00030 <0.00006 <0.00006 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 <0.00005 0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.0018 0.0017 0.0016 0.0016 0.0017 0.0017 0.0016 0.0016 0.0016 0.0015 0.0016 0.0017 0.0018 0.0025 0.0017 0.002 0.0019 0.0017 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.009 0.009 0.007 0.007 0.0069 0.0069 0.0094 0.0068 0.0057 0.0081 0.0099 0.0086 0.0057 0.0063 0.0078 0.007 0.0085 0.0079 Nickel (total) mg/L Selenium (dissolved) mg/L <0.0050 <0.0050 <0.0010 <0.0010 0.0004 <0.0003 <0.0003 <0.0003 0.0003 0.0006 0.0007 <0.0003 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 14.4 15 14.7 15.3 14.1 15.2 15.6 14.5 18.1 18.8 17.8 24.6 16.7 13.5 13.4 14.6 14.5 15.3 Silicon (total, as Si) mg/L

SA WW Report 2018 ‐ RA Report Page 38 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 14-May-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 22-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 10-Sep-12 08-Nov-12 K8E0498-01 K8E0498-04 K8H0675-01 K8K0382-01 K9A0676-01 K9D0454-01 K9H0994-01 K9K0328-01 K0B0173-01 K0D0728-04 K0H0741-01 K0K0437-01 K1D0772-01 K1G0538-01 K1K1151-01 2051005-01 2090451-01 2110475-01 Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00040 <0.00040 <0.00008 <0.00008 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 Silver (total) mg/L Sodium (dissolved) mg/L 27.6 24.6 21.6 22.4 24.4 20.4 23.8 22.2 21.7 22 22.8 27.5 21.7 21.3 22.1 22.5 25 24.9 Sodium (total) mg/L Strontium (dissolved) mg/L 1.49 1.52 1.59 1.78 1.69 1.89 1.84 1.71 1.62 1.5 1.53 1.76 1.73 1.58 1.64 1.63 1.69 1.67 Strontium (total) mg/L Sulphur (dissolved) mg/L 18 22 19 Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0030 <0.0030 <0.0006 <0.0006 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.0005 <0.0005 <0.0001 <0.0001 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0030 <0.0030 <0.0006 <0.0006 <0.0001 <0.0001 0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0020 <0.0020 <0.0004 <0.0004 <0.0002 <0.0002 <0.0002 <0.0002 0.0003 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tin (total) mg/L Titanium (dissolved) mg/L <0.100 <0.100 <0.020 <0.020 <0.005 <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.0184 0.0167 0.0158 0.0145 0.0172 0.0148 0.0149 0.015 0.0162 0.014 0.0158 0.0161 0.0166 0.0204 0.0178 0.022 0.0171 0.0173 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.010 <0.010 0.014 0.01 0.0072 <0.0010 <0.0010 0.002 0.0084 <0.0009 0.0084 0.0012 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 Vanadium (total) mg/L Zinc (dissolved) mg/L <0.030 <0.030 <0.002 0.002 0.0023 0.0046 0.0037 0.002 0.003 0.0061 0.0036 0.001 0.0067 <0.004 <0.004 <0.004 <0.004 <0.004 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.005 <0.005 <0.001 <0.001 0.0005 0.0005 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0004 0.0005 0.0005 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 1,2-Dibromoethane mg/L <0.0010 <0.0010 <0.0010 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 0.0016 0.0012 0.003 0.0019 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0010 <0.0010 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 <0.0005 0.0074 <0.0005 0.0008 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 39 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 14-May-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 22-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 10-Sep-12 08-Nov-12 K8E0498-01 K8E0498-04 K8H0675-01 K8K0382-01 K9A0676-01 K9D0454-01 K9H0994-01 K9K0328-01 K0B0173-01 K0D0728-04 K0H0741-01 K0K0437-01 K1D0772-01 K1G0538-01 K1K1151-01 2051005-01 2090451-01 2110475-01 Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L <0.02 0.02 0.03 0.03 0.04 <0.02 0.08 <0.02 0.06 0.05 0.04 0.05 0.06 0.05 0.04 0.056 0.085 0.061 Nitrate (as N) mg/L <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.72 <0.01 0.437 0.119 <0.010 <0.010 Nitrate + Nitrite (as N) mg/L <0.020 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 <0.014 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.03 0.72 <0.01 0.437 0.119 <0.014 <0.014 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 Total nitrogen mg/L 0.306 Total kjeldahl nitrogen mg/L 0.22 0.22 0.15 0.23 0.24 0.32 1.3 0.23 0.3 0.31 0.27 0.29 0.35 0.27 0.25 0.34 0.5 0.31 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.200 <0.200 <0.040 <0.040 0.01 <0.020 <0.020 <0.020 <0.020 <0.018 <0.020 <0.020 <0.020 <0.02 <0.02 <0.02 <0.02 <0.02 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 11.3 10.2 9.3 9.95 9.47 10.3 11.3 9.71 9.52 10.2 8.95 10.1 9.5 9.54 9.58 9.78 10.3 9.98 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 40 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 28-May-13 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 27-Nov-17 08-May-18 04-Sep-18 3051597-01 3051597-06 3081785-01 3111069-01 4051475-01 4081538-06 4111252-03 5050751-05 5081150-07 5111116-05 6051472-05 6081298-02 6111455-06 7060568-03 7081512-03 7112376-03 8050835-02 8090535-02 Normal Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 1430 1430 1550 1210 480 1551 1676 1757 1711 1676 1687 1762 1616 1699 1723 1590 1523 1712 Depth to Water m 26.437 26.437 26.268 26.191 25.92 26.045 26.03 25.19 25.47 25.41 21.47 25.295 25.32 24.76 24.86 24.57 Dissolved oxygen mg/L 3.17 1.4 1.01 2.03 2.06 2.85 0.11 6.94 0.99 6.5 7.27 7.25 Dissolved oxygen (percent) % 25.5 12.5 9.7 25.1 18.7 27 1 62.9 0.1 59.2 68.5 69.8 Elevation of Piezometric Surface m 502.63 502.63 502.8 502.88 503.15 503.03 503.04 503.88 503.6 503.66 507.6 503.78 503.75 504.31 504.21 504.5 Elevation of Top of Casing m 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 529.07 Ground Elevation m 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 528.18 Oxidation reduction potential mV -32 -32 -8 -27 -245 36 32 87 20 -21 24 119 98 120 98 94 87 91 pH 6.7 6.7 6.75 6.95 7.76 6.6 6.6 6.8 6.8 6.8 6.6 6.7 7 6.5 7 6.9 7.71 Temperature °C 10.7 10.7 10.6 10.4 10.5 10.9 10 10.8 12 11 11.6 11.1 10.3 10.6 12.3 10.5 12.6 13.7

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L 0.001 <0.0010 <0.0010 <0.0010 <0.0010 0.0011 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L 0.0023 0.0022 <0.0010 0.0012 <0.0010 0.0027 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 <0.0005 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 0.0011 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 810 828 772 850 750 765 734 754 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 883 900 889 882 244 858 854 885 850 860 810 828 772 850 750 765 734 754 Bicarbonate Alkalinity (as HCO3) mg/L 989 1010 942 1040 914 933 896 920 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <10 10 <10 <10 <10 <10 <6 5-d Soluble BOD mg/L Bromide mg/L <0.10 0.13 <0.10 <0.10 <0.20 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 48.2 50.1 44.5 49 4.93 47.9 44.5 41.2 35 33 34.6 40.5 33.2 43.3 38.6 35 31.2 27.3 Conductivity μS/cm 1660 1680 1660 1730 491 1770 1810 1730 1680 1700 1740 1780 1730 1780 1680 1750 1640 1700 Fluoride mg/L <0.10 0.12 <0.10 <0.10 <0.10 0.14 0.12 0.14 Hardness, Total (dissolved as CaCO3) mg/L 1060 1060 1000 970 152 1080 1090 1060 956 986 978 937 996 1100 973 987 966 810 Hardness, Total (total as CaCO3) mg/L pH 7.16 7.2 7.29 7.31 7.77 7.58 7.46 7.48 7.34 7.24 7.37 7.39 7.5 7.33 7.28 7.68 7.38 7.66 Sulphate mg/L 62.6 63.2 65.7 78.6 <1.0 140 145 148 143 156 191 177 180 154 173 162 157 174 Temperature of observed pH °C Total organic carbon mg/L 6.7 6.1 5.3 9.2 2.7 11.5 16.7 7.7 6.7 7.5 7.8 8 8.4 8.99 9.86 8.9 14 11 Total suspended solids mg/L Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 41 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 28-May-13 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 27-Nov-17 08-May-18 04-Sep-18 3051597-01 3051597-06 3081785-01 3111069-01 4051475-01 4081538-06 4111252-03 5050751-05 5081150-07 5111116-05 6051472-05 6081298-02 6111455-06 7060568-03 7081512-03 7112376-03 8050835-02 8090535-02 Normal Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0005 <0.0005 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 0.026 <0.005 <0.005 <0.005 0.009 <0.005 <0.005 0.021 <0.0050 0.0066 0.0157 0.0318 <0.0050 Aluminum (total) mg/L 1.4 Antimony (dissolved) mg/L 0.0007 0.0003 0.0007 0.0002 0.0003 0.0024 0.0003 0.0005 0.0002 0.0004 0.0004 0.0001 0.0023 0.00014 0.00069 0.00056 0.00146 0.00118 Antimony (total) mg/L 0.00176 Arsenic (dissolved) mg/L 0.001 0.001 0.001 0.0008 0.0007 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 0.00051 <0.00050 <0.00050 <0.00050 Arsenic (total) mg/L 0.00086 Barium (dissolved) mg/L 0.273 0.274 0.258 0.242 0.175 0.3 0.298 0.273 0.24 0.261 0.249 0.225 0.238 0.254 0.21 0.221 0.211 0.185 Barium (total) mg/L 0.222 Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 Boron (dissolved) mg/L 0.215 0.211 0.195 0.184 0.032 0.183 0.184 0.168 0.113 0.125 0.121 0.147 0.121 0.383 0.159 0.242 0.276 0.321 Boron (total) mg/L 0.363 Cadmium (dissolved) mg/L 0.00001 <0.00001 0.00001 <0.00001 <0.00001 0.00014 0.00007 0.0001 0.00007 0.00007 0.00006 0.00004 0.00005 0.000073 0.000043 0.000058 0.000049 <0.000010 Cadmium (total) mg/L 0.000062 Calcium (dissolved) mg/L 219 218 209 205 32.3 218 228 219 205 213 209 197 207 236 192 209 202 145 Calcium (total) mg/L 192 Chromium (dissolved) mg/L 0.0011 0.0009 0.0022 0.0015 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0007 0.0016 0.0006 <0.00050 0.0014 0.00051 <0.00050 <0.00050 Chromium (total) mg/L 0.00409 Cobalt (dissolved) mg/L 0.00185 0.00186 0.0018 0.00206 0.00005 0.00152 0.0015 0.00137 0.00097 0.00097 0.00088 0.00089 0.00085 0.00101 0.0008 0.00087 0.00084 0.00055 Cobalt (total) mg/L 0.00203 Copper (dissolved) mg/L 0.0003 0.0003 0.0003 0.0004 <0.0002 0.0032 0.0017 0.0016 0.0017 0.002 0.0022 0.0013 0.0033 0.00241 0.00433 0.00383 0.00401 0.00266 Copper (total) mg/L 0.00794 Iron (dissolved) mg/L 1.55 1.56 1.52 0.882 9.63 0.148 0.02 0.014 <0.010 0.027 0.022 <0.010 0.035 <0.010 0.012 0.032 0.05 <0.010 Iron (total) mg/L 2.61 Lead (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0004 <0.0001 <0.0001 <0.0001 0.0001 <0.0001 <0.0001 0.0001 <0.00010 <0.00020 0.00023 0.00026 <0.00020 Lead (total) mg/L 0.00169 Lithium (dissolved) mg/L 0.0224 0.0225 0.0211 0.0189 0.0019 0.0227 0.0219 0.0223 0.0195 0.0206 0.0199 0.02 0.0211 0.0224 0.0173 0.0214 0.0213 0.0193 Lithium (total) mg/L 0.0216 Magnesium (dissolved) mg/L 124 125 117 111 17.2 129 127 124 108 111 111 108 116 125 120 113 112 109 Magnesium (total) mg/L 105 Manganese (dissolved) mg/L 0.12 0.122 0.12 0.137 0.0903 0.114 0.0993 0.101 0.0927 0.101 0.0992 0.101 0.108 0.108 0.0981 0.103 0.0995 0.00895 Manganese (total) mg/L 0.144 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 <0.000010 <0.000040 Mercury (total) mg/L <0.000010 Molybdenum (dissolved) mg/L 0.002 0.002 0.0019 0.0021 0.0017 0.002 0.0021 0.002 0.0018 0.0018 0.0018 0.0018 0.0018 0.002 0.00173 0.00171 0.00194 0.00185 Molybdenum (total) mg/L 0.00168 Nickel (dissolved) mg/L 0.0089 0.0092 0.0099 0.0224 0.0003 0.0105 0.0105 0.0087 0.0084 0.0069 0.0067 0.0074 0.0074 0.0108 0.00907 0.00802 0.00781 0.00827 Nickel (total) mg/L 0.0121 Selenium (dissolved) mg/L 0.0006 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0007 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 Selenium (total) mg/L <0.00050 Silicon (dissolved, as Si) mg/L 17.7 17.7 14.4 14.3 3.6 15.9 16.1 15.3 14.5 16 16.5 14.2 15.5 16.9 14.2 15.8 15.6 15.6 Silicon (total, as Si) mg/L 17.4

SA WW Report 2018 ‐ RA Report Page 42 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 28-May-13 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 27-Nov-17 08-May-18 04-Sep-18 3051597-01 3051597-06 3081785-01 3111069-01 4051475-01 4081538-06 4111252-03 5050751-05 5081150-07 5111116-05 6051472-05 6081298-02 6111455-06 7060568-03 7081512-03 7112376-03 8050835-02 8090535-02 Normal Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 0.00009 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 0.00006 <0.000050 <0.000050 Silver (total) mg/L <0.000050 Sodium (dissolved) mg/L 28.1 28.5 27.2 28 7.97 34.6 33.8 33.5 30.4 31.1 33.5 29.9 33.5 32.3 34.4 31.9 31.8 30.8 Sodium (total) mg/L 31.2 Strontium (dissolved) mg/L 1.83 1.85 1.73 1.76 0.773 1.96 2.09 1.88 1.68 1.78 1.76 1.67 1.76 1.9 1.59 1.76 1.7 1.71 Strontium (total) mg/L 1.7 Sulphur (dissolved) mg/L 27 27 26 26 <1 56 57 53 49 54 59 55 58 56.4 55.3 61.6 60.9 61.1 Sulphur (total) mg/L 65.9 Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00020 <0.00050 <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 Thallium (dissolved) mg/L <0.00002 <0.00002 0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 <0.000020 <0.000020 <0.000020 Thallium (total) mg/L 0.000032 Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Thorium (total) mg/L 0.00033 Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 0.0003 0.0004 <0.0002 <0.00020 0.00055 0.00024 0.00054 <0.00020 Tin (total) mg/L 0.00031 Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 Titanium (total) mg/L 0.133 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 Uranium (dissolved) mg/L 0.0218 0.0216 0.0225 0.0181 0.00003 0.0328 0.0356 0.0355 0.0346 0.035 0.0378 0.0394 0.0401 0.041 0.0391 0.0394 0.0389 0.04 Uranium (total) mg/L 0.0414 Vanadium (dissolved) mg/L <0.001 <0.001 <0.001 0.002 <0.001 0.002 0.003 0.002 0.002 0.002 0.001 0.001 0.001 0.0016 0.0019 0.0011 <0.0010 <0.0010 Vanadium (total) mg/L 0.0054 Zinc (dissolved) mg/L <0.004 <0.004 <0.004 <0.004 <0.004 0.014 <0.004 <0.004 <0.004 0.005 0.005 <0.004 0.007 0.0146 0.0071 0.0217 0.0288 <0.0040 Zinc (total) mg/L 0.0157 Zirconium (dissolved) mg/L 0.0005 0.0005 0.0005 0.0004 <0.0001 0.0004 0.0005 0.0004 0.0003 0.0003 0.0002 0.0003 0.0002 0.00031 0.00018 0.00023 0.00023 <0.00010 Zirconium (total) mg/L 0.00082

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 <0.0002 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 0.0018 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 <0.0005 0.0049 <0.0010 <0.0010 0.0133 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 43 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 MW95-01 28-May-13 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 24-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 06-Jun-17 16-Aug-17 27-Nov-17 08-May-18 04-Sep-18 3051597-01 3051597-06 3081785-01 3111069-01 4051475-01 4081538-06 4111252-03 5050751-05 5081150-07 5111116-05 6051472-05 6081298-02 6111455-06 7060568-03 7081512-03 7112376-03 8050835-02 8090535-02 Normal Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.037 0.029 0.066 0.051 0.059 0.068 0.044 0.055 0.026 0.02 <0.020 0.047 0.038 0.062 0.031 0.029 0.061 0.04 Nitrate (as N) mg/L <0.010 <0.010 0.016 0.049 <0.010 0.957 0.164 1.07 2.99 3.66 10.8 9.62 12.1 7.17 16.2 14.3 15.7 10.5 Nitrate + Nitrite (as N) mg/L <0.010 <0.010 0.016 0.049 <0.010 0.957 0.164 1.07 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 0.016 0.049 <0.014 0.957 0.164 1.07 3.01 3.74 11 9.78 12.2 7.31 16.4 14.5 15.7 10.7 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.019 0.077 0.168 0.16 0.126 0.142 0.174 0.158 0.044 0.202 Total nitrogen mg/L 0.494 0.478 0.509 0.672 18 1.66 0.657 1.58 Total kjeldahl nitrogen mg/L 0.49 0.48 0.49 0.62 18 0.7 0.49 0.51 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 <0.02 0.02 <0.02 <0.02 0.69 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.03 <0.050 <0.050 <0.050 0.06 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L 0.09 Potassium (dissolved) mg/L 11.5 11.6 10.7 10.1 11.9 11.9 12 11.5 10.1 10.5 10.9 9.9 11 11.2 10.6 10.7 10.7 9.99 Potassium (total) mg/L 10.5

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 44 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-01 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 8111900-01 Normal

Analyte Unit

Field Results Conductivity μS/cm 1560 Depth to Water m 24.53 23.12 23.18 23.3 23.41 23.6 23.55 23.66 23.75 23.74 23.75 23.73 23.72 23.75 23.71 Dissolved oxygen mg/L 0.56 Dissolved oxygen (percent) % 5 Elevation of Piezometric Surface m 504.54 503.46 503.4 503.3 503.17 503 503.03 502.92 502.83 502.84 502.83 502.85 502.86 502.83 502.87 Elevation of Top of Casing m 529.07 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 Ground Elevation m 528.18 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 Oxidation reduction potential mV 120 pH 6.82 Temperature °C 9.9111310101011.59 9 1112108.511 9 7 6.310.5

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L 1,3-Dichlorobenzene mg/L 1,4-Dichlorobenzene mg/L 1,1-Dichloroethane mg/L 1,2-Dichloroethane mg/L 1,1-Dichloroethylene mg/L cis-1,2-Dichloroethylene mg/L trans-1,2-Dichloroethylene mg/L Monochlorobenzene mg/L 1,1,2,2-Tetrachloroethane mg/L Tetrachloroethylene mg/L 1,1,1-Trichloroethane mg/L 1,1,2-Trichloroethane mg/L Trichloroethylene mg/L

General Alkalinity (bicarbonate, as CaCO3) mg/L 820 Alkalinity (carbonate, as CaCO3) mg/L <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1.0 Alkalinity (total, as CaCO3) mg/L 820 530 550 484 504 428 284 240 322 390 376 424 450 440 357 520 480 398 Bicarbonate Alkalinity (as HCO3) mg/L 1000 Carbonate Alkalinity (as CO3) mg/L <0.600 Hydroxide Alkalinity (as OH) mg/L <0.340 Biochemical oxygen demand mg/L 5-d Soluble BOD mg/L Bromide mg/L <0.10 Chemical Oxygen Demand mg/L 34 29 170 44 29 24 38 20 55 24 38 29 39 19 55 40 25 Chloride mg/L 34.9 43.8 51 40 52 45 10.3 5.25 17.5 44.5 32 43 50 37.5 33.5 70 62.5 48.3 Conductivity μS/cm 1030 1000 902 1020 919 553 452 620 730 713 868 842 869 742 1130 1010 843 Fluoride mg/L <0.10 Hardness, Total (dissolved as CaCO3) mg/L 1000 Hardness, Total (total as CaCO3) mg/L pH 7.35 7 7.3 7.5 7.3 7.3 7.8 7.3 7 7.2 6.9 7.1 7.3 7.4 7.2 7.1 7.4 7.1 Sulphate mg/L 179 14 21 17 17 18 20 20 19 21 19 17 16 22 12 21 22 21 Temperature of observed pH °C Total organic carbon mg/L Total suspended solids mg/L Turbidity NTU 170 230 500 110 180 100 125 120 200 150 180 150 220 180 220 170 200

Halogenated Methanes Bromodichloromethane mg/L

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MW95-01 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 8111900-01 Normal

Analyte Unit

Bromoform mg/L Bromomethane mg/L Carbon tetrachloride mg/L Chloroform mg/L Chloromethane mg/L Dibromochloromethane mg/L Dibromomethane mg/L Dichloromethane mg/L Total Trihalomethanes (calculated) mg/L Trichlorofluoromethane mg/L

Metals Aluminum (dissolved) mg/L 0.0239 <0.2 <0.2 <0.2 <0.2 <0.20 Aluminum (total) mg/L Antimony (dissolved) mg/L <0.00020 <0.2 <0.2 <0.2 <0.2 <0.20 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.00050 <0.2 <0.2 <0.2 <0.2 <0.20 Arsenic (total) mg/L Barium (dissolved) mg/L 0.21 0.14 0.09 0.11 0.15 0.18 Barium (total) mg/L Beryllium (dissolved) mg/L <0.00010 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.00010 Bismuth (total) mg/L Boron (dissolved) mg/L 0.501 0.2 <0.1 <0.1 <0.1 0.2 Boron (total) mg/L Cadmium (dissolved) mg/L 0.000062 <0.01 <0.01 <0.01 <0.01 <0.01 Cadmium (total) mg/L Calcium (dissolved) mg/L 211 152 80.9 105 130 120 Calcium (total) mg/L Chromium (dissolved) mg/L <0.00050 <0.01 <0.01 <0.01 <0.01 <0.01 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.001 Cobalt (total) mg/L Copper (dissolved) mg/L 0.00299 <0.01 <0.01 <0.01 <0.01 <0.01 Copper (total) mg/L Iron (dissolved) mg/L 0.042 1.18 4.66 9.9 12 12 Iron (total) mg/L Lead (dissolved) mg/L <0.00020 <0.05 <0.05 <0.05 <0.05 <0.05 Lead (total) mg/L Lithium (dissolved) mg/L 0.0197 Lithium (total) mg/L Magnesium (dissolved) mg/L 115 31.8 19.1 33 39 44 Magnesium (total) mg/L Manganese (dissolved) mg/L 0.119 1.4 0.83 1.18 1.3 1.9 Manganese (total) mg/L Mercury (dissolved) mg/L <0.000040 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.00183 <0.03 <0.03 <0.03 <0.03 <0.03 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.00952 <0.05 <0.05 <0.05 <0.05 <0.05 Nickel (total) mg/L Selenium (dissolved) mg/L <0.00050 <0.2 <0.2 <0.2 <0.2 <0.2 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 14.2 Silicon (total, as Si) mg/L

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MW95-01 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 8111900-01 Normal

Analyte Unit

Silver (dissolved) mg/L <0.000050 Silver (total) mg/L Sodium (dissolved) mg/L 31.83319141841 Sodium (total) mg/L Strontium (dissolved) mg/L 1.71 Strontium (total) mg/L Sulphur (dissolved) mg/L 66.6 Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.00050 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.000020 Thallium (total) mg/L Thorium (dissolved) mg/L <0.00010 Thorium (total) mg/L Tin (dissolved) mg/L 0.00023 Tin (total) mg/L Titanium (dissolved) mg/L <0.0050 Titanium (total) mg/L Tungsten (dissolved) mg/L <0.0010 Tungsten (total) mg/L Uranium (dissolved) mg/L 0.0399 Uranium (total) mg/L Vanadium (dissolved) mg/L 0.0011 Vanadium (total) mg/L Zinc (dissolved) mg/L 0.0044 0.04 <0.005 0.017 0.016 0.032 Zinc (total) mg/L Zirconium (dissolved) mg/L 0.00022 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L 1,2-Dibromoethane mg/L 1,2-Dichloropropane mg/L 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L trans-1,3-Dichloropropene mg/L Methyl tert-butyl ether (MTBE) mg/L Vinyl chloride mg/L

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L Ethylbenzene mg/L Styrene mg/L Toluene mg/L Xylenes mg/L

Nutrients

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MW95-01 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 21-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 8111900-01 Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.065 Nitrate (as N) mg/L 9.09 0.08 <0.01 0.02 0.01 <0.01 <0.01 0.02 <0.01 <0.01 <0.01 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Nitrate + Nitrite (as N) mg/L Nitrate + Nitrite (as N) (calculated) mg/L 9.27 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Nitrite (as N) mg/L 0.184 0.02 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Total nitrogen mg/L Total kjeldahl nitrogen mg/L 2.6 0.64 1.6 0.88 0.85 0.46 0.48 0.28 0.6 0.54 0.52 0.5 1.56 2 1.92 1.56 1.76 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.050 <0.3 <0.3 <0.3 <0.3 <0.3 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 10.5 6 5 5 7 9 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 K705762-02 K7H0335-02 K7K0179-02 K8A0188-02 K8E0498-02 K8H0675-02 K8K0382-02 K9A0676-02 K9D0454-02 K9H0994-02 K9H0994-04 K9K0328-02 K0B0173-02 K0D0728-03 K0H0741-02

Analyte Unit

Field Results Conductivity μS/cm 810 660 860 1030 760 950 950 1060 830 1040 1084 Depth to Water m 24.08 24.04 9.5 24.02 23.97 23.89 29.87 23.83 23.72 24.634 23.97 23.769 23.81 23.83 23.846 23.9 23.94 24 Dissolved oxygen mg/L 1.32 1.55 1.55 1.84 Dissolved oxygen (percent) % Elevation of Piezometric Surface m 502.5 502.54 517.1 502.56 502.61 502.69 496.71 502.75 502.86 501.947 502.61 502.812 502.77 502.75 502.735 502.7 502.64 502.58 Elevation of Top of Casing m 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 Ground Elevation m 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 Oxidation reduction potential mV -126 -122 pH 7.2 7.32 7.36 7.31 7.4 7.33 7.33 7.21 7.27 7.29 7.11 Temperature °C 11.5 9 6 11 12 7 5 13.4 11.3 7.6 7.9 10.9 12.8 12.8 9.6 9.5 10.3 11.3

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 0.0011 0.0012 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 440 364 310 306 305 281 369 323 327 398 486 374 459 452 527 429 495 518 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L 70 25 14 7 <5 25 Chloride mg/L 60 30 19.3 34.4 14.6 13.3 33.2 43.4 25.4 31.7 40.9 20.3 31.6 31.8 41.6 37.6 44.4 65.3 Conductivity μS/cm 908 750 620 717 622 553 765 661 808 1010 744 954 947 1100 891 1010 1090 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L 393 332 375 547 320 525 529 513 386 506 532 Hardness, Total (total as CaCO3) mg/L pH 7.4 7.1 7.2 6.9 6.9 7.1 7 6.9 6.7 6.6 7.3 7.7 7.7 7.68 7.64 7.66 7.68 Sulphate mg/L 22 22 22 22.8 20.8 21.4 21.2 20.2 22.1 20.1 24.1 24.9 23.7 23.9 23.5 23.6 26.3 24.9 Temperature of observed pH °C Total organic carbon mg/L 9.5 4 8.6 13.6 7.9 8.2 8.3 13 9.4 16.6 19.4 Total suspended solids mg/L 31 26 32 60 25 438 377 29 20 20 25 Turbidity NTU 206 130 140

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 K705762-02 K7H0335-02 K7K0179-02 K8A0188-02 K8E0498-02 K8H0675-02 K8K0382-02 K9A0676-02 K9D0454-02 K9H0994-02 K9H0994-04 K9K0328-02 K0B0173-02 K0D0728-03 K0H0741-02

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 Bromomethane mg/L <0.0020 <0.0020 <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 Chloromethane mg/L <0.0010 <0.0010 <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0020 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.050 <0.050 <0.010 <0.010 <0.005 <0.005 0.012 0.011 <0.005 <0.005 0.006 <0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 <0.0001 <0.0001 0.0002 0.0002 <0.0001 <0.0001 <0.00009 0.0001 Antimony (total) mg/L Arsenic (dissolved) mg/L 0.006 0.0094 0.0136 0.013 0.0128 0.0045 0.0105 0.0106 0.0113 0.0109 0.0103 0.015 Arsenic (total) mg/L Barium (dissolved) mg/L 0.113 0.135 0.12 0.138 0.174 0.116 0.192 0.19 0.192 0.167 0.154 0.223 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0010 <0.0020 <0.0004 <0.0004 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0010 <0.0005 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L <0.020 0.026 0.043 0.04 0.065 0.043 0.057 0.057 0.106 0.113 0.079 0.097 Boron (total) mg/L Cadmium (dissolved) mg/L <0.00010 <0.00010 <0.00002 <0.00002 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.00001 <0.000009 <0.00001 Cadmium (total) mg/L Calcium (dissolved) mg/L 84.6 103 87.7 104 153 89.5 150 152 147 109 149 153 Calcium (total) mg/L Chromium (dissolved) mg/L <0.0050 <0.005 0.012 0.009 0.0103 <0.0005 <0.0005 0.0007 0.0013 0.0106 0.0007 0.0107 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.0028 0.0019 0.0014 0.0018 0.00239 0.00137 0.00203 0.00201 0.0024 0.00152 0.00188 0.00272 Cobalt (total) mg/L Copper (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 0.0006 0.0008 0.0004 0.0005 0.0009 0.0012 <0.00009 0.0015 Copper (total) mg/L Iron (dissolved) mg/L 6.37 8.65 10.3 13.1 13.8 1.26 9.96 9.89 9.12 6.62 6.71 10.1 Iron (total) mg/L Lead (dissolved) mg/L <0.0020 <0.0010 <0.0002 <0.0002 0.0004 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 Lead (total) mg/L Lithium (dissolved) mg/L 0.0103 0.0074 0.0079 0.0119 0.009 0.0074 0.0105 0.0118 0.0084 0.0071 0.0058 0.007 Lithium (total) mg/L Magnesium (dissolved) mg/L 33.4 33.3 27.4 28.3 39.7 23.5 36.6 36.5 35.5 27.9 32.4 36.3 Magnesium (total) mg/L Manganese (dissolved) mg/L 1.67 1.43 1.4 1.61 1.7 1.17 1.6 1.61 1.75 1.31 1.51 1.92 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00050 <0.00030 <0.00006 <0.00006 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.0057 0.0056 0.0058 0.0051 0.0059 0.0057 0.0054 0.0054 0.0046 0.0037 0.0028 0.0031 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.012 0.006 0.004 0.006 0.01 0.0066 0.0113 0.0113 0.0128 0.0077 0.0112 0.0144 Nickel (total) mg/L Selenium (dissolved) mg/L <0.0100 <0.0050 <0.0010 <0.0010 <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 0.0003 0.0009 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 14.3 13.9 12.1 12.5 12.2 12.2 13.4 13.5 12.4 14.8 11.8 16.6 Silicon (total, as Si) mg/L

SA WW Report 2018 ‐ RA Report Page 50 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 K705762-02 K7H0335-02 K7K0179-02 K8A0188-02 K8E0498-02 K8H0675-02 K8K0382-02 K9A0676-02 K9D0454-02 K9H0994-02 K9H0994-04 K9K0328-02 K0B0173-02 K0D0728-03 K0H0741-02

Analyte Unit

Silver (dissolved) mg/L <0.0004 <0.00040 <0.00008 <0.00008 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 Silver (total) mg/L Sodium (dissolved) mg/L 10.2 13.5 8.45 9.19 11.9 9.39 9.81 10 24 25.7 21.1 32.4 Sodium (total) mg/L Strontium (dissolved) mg/L 0.614 0.721 0.627 0.779 0.989 0.804 0.995 0.989 1.04 0.751 0.858 0.877 Strontium (total) mg/L Sulphur (dissolved) mg/L Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.0010 <0.0005 <0.0001 <0.0001 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 <0.0001 <0.0001 0.0006 0.0002 <0.0001 <0.0001 <0.00009 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0020 <0.0020 <0.0004 <0.0004 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 Tin (total) mg/L Titanium (dissolved) mg/L <0.0200 <0.100 <0.020 <0.020 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.003 0.0042 0.0049 0.0054 0.0128 0.0098 0.00935 0.00937 0.011 0.00941 0.0082 0.0101 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.0050 <0.010 0.004 0.003 0.0035 <0.0010 <0.0010 <0.0010 <0.0010 0.003 <0.0009 0.0032 Vanadium (total) mg/L Zinc (dissolved) mg/L <0.040 <0.030 <0.002 <0.002 0.0012 0.0021 0.0026 0.002 0.0025 0.0024 0.0061 0.005 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.010 <0.005 <0.001 <0.001 0.0002 <0.0001 0.0002 0.0002 0.0002 0.0001 0.0001 0.0002 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L 1,2-Dibromoethane mg/L <0.0010 <0.0010 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0010 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0010 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 <0.0005 0.0038 Xylenes mg/L <0.0020 <0.0020 <0.0020

Nutrients

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 16-Nov-08 29-Jan-09 15-Apr-09 27-Aug-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 K705762-02 K7H0335-02 K7K0179-02 K8A0188-02 K8E0498-02 K8H0675-02 K8K0382-02 K9A0676-02 K9D0454-02 K9H0994-02 K9H0994-04 K9K0328-02 K0B0173-02 K0D0728-03 K0H0741-02

Analyte Unit

Ammonia (total, as N) mg/L 15 0.89 0.96 0.9 0.96 0.67 0.36 0.82 1.2 0.47 0.53 0.54 0.53 0.56 0.38 0.4 Nitrate (as N) mg/L 0.01 <0.02 <0.02 0.014 <0.010 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.28 Nitrate + Nitrite (as N) mg/L <0.01 <0.020 <0.020 <0.020 <0.020 Nitrate + Nitrite (as N) (calculated) mg/L <0.02 <0.02 <0.01 <0.014 <0.014 <0.014 <0.014 <0.014 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.28 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Total nitrogen mg/L Total kjeldahl nitrogen mg/L 3.6 1.4 0.98 2.07 1.28 1.13 1.26 0.94 0.71 0.89 1.4 0.72 0.76 0.74 0.83 0.31 0.79 0.8 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.500 <0.200 0.266 <0.040 0.029 <0.020 0.025 0.025 0.021 0.023 <0.018 0.027 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 7 8.22 6.45 6.6 7.03 5.73 7.11 7.12 6.81 5.72 6.26 5.68 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 K0K0437-02 K1D0772-02 K1G0538-02 K1K1151-02 2051005-02 2081860-01 2110475-02 3051597-02 3081785-02 3111069-02 4051475-02 4081538-05 4111157-01 5050751-04 5081150-06 5111116-04 6051472-03 6081298-06 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 1390 1200 1050 950 1290 1230 1270 900 1170 910 946 826 1221 950 952 707 869 593 Depth to Water m 24.07 24.18 24.17 24.03 24.035 23.96 23.919 24.856 23.725 23.618 23.57 23.475 23.42 23.13 22.935 22.195 22.9 22.755 Dissolved oxygen mg/L 2.23 1 1.21 1.24 1.32 1 3.01 Dissolved oxygen (percent) % 21.2 8.9 11.1 11.5 11.7 9.1 38.6 Elevation of Piezometric Surface m 502.51 502.4 502.411 502.551 502.546 502.62 502.662 501.725 502.856 502.963 503.01 503.106 503.16 503.45 503.646 504.386 503.68 503.826 Elevation of Top of Casing m 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.581 Ground Elevation m 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.7 Oxidation reduction potential mV -121 -122 -67 -81 -103 -121 -137 -117 -107 -99 -74 -82 -118 -118 -102 -98 -120 -120 pH 6.83 6.96 7.24 7.03 6.96 7.13 7 6.94 6.91 6.97 6.9 6.89 6.8 777.26.9 7 Temperature °C 9.4 10.5 10.9 9.7 10.9 10.9 10.4 10.6 10.7 10.5 10.3 11.3 10.2 10.8 11 10.4 11 14.6

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L 0.001 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L 0.0014 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 410 262 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 Alkalinity (total, as CaCO3) mg/L 447 565 519 382 545 527 525 441 514 498 418 385 521 455 405 318 410 262 Bicarbonate Alkalinity (as HCO3) mg/L 500 319 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 Biochemical oxygen demand mg/L <10 <10 10 <10 <10 <10 <10 <10 <10 <10 <10 <6 5-d Soluble BOD mg/L Bromide mg/L 0.12 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 17.9 91 70.9 48.2 75.1 75 81.9 49.1 66.3 77.3 58 36 72.6 56.3 39.6 26.7 29.6 15.6 Conductivity μS/cm 1160 1240 1120 877 1260 1170 1220 990 1140 1180 985 856 1210 986 857 687 838 573 Fluoride mg/L 0.29 0.35 Hardness, Total (dissolved as CaCO3) mg/L 665 579 460 371 507 525 498 461 538 504 401 382 558 495 409 301 423 248 Hardness, Total (total as CaCO3) mg/L pH 7.99 7.56 7.4 7.75 7.61 7.45 7.46 6.99 7.31 7.34 7.4 7.38 7.49 7.51 7.45 7.45 7.53 7.83 Sulphate mg/L 22.1 23.3 24.7 24.3 23.7 25 25.5 23.2 25.6 25.8 25.8 26.2 24.4 28.6 24.9 28.3 27.1 29.2 Temperature of observed pH °C Total organic carbon mg/L 10.3 34.8 8.3 5.9 8 13.3 9.7 8 8 13.9 10.1 6.4 10.5 8.7 5.9 4.6 4.6 2.7 Total suspended solids mg/L 28 47 42 24 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 K0K0437-02 K1D0772-02 K1G0538-02 K1K1151-02 2051005-02 2081860-01 2110475-02 3051597-02 3081785-02 3111069-02 4051475-02 4081538-05 4111157-01 5050751-04 5081150-06 5111116-04 6051472-03 6081298-06 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.005 0.006 0.006 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.005 <0.005 0.011 <0.005 <0.005 0.006 <0.005 0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L 0.0001 0.0005 0.0002 <0.0020 0.0003 0.0001 0.0001 0.0005 0.0005 <0.0001 0.0019 0.0002 0.0008 0.0003 <0.0001 0.0002 0.0002 0.0013 Antimony (total) mg/L Arsenic (dissolved) mg/L 0.0138 0.0146 0.0146 0.0121 0.0156 0.016 0.0156 0.0169 0.0174 0.0174 0.0201 0.0173 0.0189 0.0194 0.0039 0.0146 0.0162 0.0134 Arsenic (total) mg/L Barium (dissolved) mg/L 0.236 0.249 0.202 0.168 0.231 0.227 0.251 0.223 0.274 0.228 0.183 0.179 0.257 0.199 0.107 0.12 0.159 0.098 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L 0.105 0.236 0.256 0.129 0.293 0.25 0.292 0.243 0.291 0.304 0.272 0.171 0.305 0.252 0.134 0.09 0.117 0.036 Boron (total) mg/L Cadmium (dissolved) mg/L <0.00001 0.00002 <0.00001 <0.00001 0.00001 <0.00001 <0.00001 0.00002 <0.00001 <0.00001 0.00003 <0.00001 0.00002 <0.00001 <0.00001 0.00001 <0.00001 0.00105 Cadmium (total) mg/L Calcium (dissolved) mg/L 191 167 127 101 136 144 135 126 144 135 101 98.3 144 127 112 83.3 117 68.8 Calcium (total) mg/L Chromium (dissolved) mg/L 0.002 0.0007 0.0008 <0.0005 <0.0005 0.0005 0.0005 0.0011 0.002 0.0019 <0.0005 <0.0005 0.0006 <0.0005 <0.0005 <0.0005 0.0006 0.0024 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.00365 0.00399 0.00391 0.00299 0.00474 0.00478 0.005 0.0048 0.00664 0.00567 0.00292 0.00424 0.00668 0.00463 0.00374 0.00273 0.00368 0.0024 Cobalt (total) mg/L Copper (dissolved) mg/L 0.0006 0.0003 0.0003 0.0003 0.0004 0.0002 <0.0002 0.0002 0.0005 0.0003 0.0004 <0.0002 0.0021 <0.0002 <0.0002 <0.0002 0.0003 0.0048 Copper (total) mg/L Iron (dissolved) mg/L 14.7 16.7 18.1 14.5 21.5 24 22.4 22.3 28 28.9 23.9 19.7 26.5 23 0.045 10.7 12.7 4.44 Iron (total) mg/L Lead (dissolved) mg/L <0.0001 <0.0001 0.0002 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0002 <0.0001 0.0002 0.0001 <0.0001 <0.0001 <0.0001 0.0008 Lead (total) mg/L Lithium (dissolved) mg/L 0.0111 0.012 0.0111 0.0098 0.0128 0.0142 0.0136 0.0146 0.0158 0.0144 0.0139 0.0136 0.0141 0.0132 0.011 0.0085 0.0092 0.0074 Lithium (total) mg/L Magnesium (dissolved) mg/L 45.6 39.5 33.8 29.1 40.6 39.8 39.2 35.4 43.5 40.7 35.9 33.1 48.1 43 31.2 22.6 31.7 18.5 Magnesium (total) mg/L Manganese (dissolved) mg/L 2.6 2.36 2.33 1.93 2.38 2.24 2.22 2.11 2.85 3.07 1.28 2.43 3.84 2.55 2.21 1.75 2.49 1.21 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00005 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.0033 0.0029 0.0028 0.0028 0.0033 0.0025 0.0025 0.0034 0.0029 0.0033 0.0042 0.0035 0.0044 0.0043 0.0037 0.0046 0.0048 0.0063 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.0174 0.0168 0.015 0.0094 0.0181 0.0177 0.0172 0.0172 0.0236 0.0201 0.0149 0.0109 0.0222 0.0135 0.0126 0.0057 0.011 0.0063 Nickel (total) mg/L Selenium (dissolved) mg/L <0.0003 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0005 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 19.9 17.5 14.9 13.3 15.9 16.3 17.4 18.4 16.5 16.1 20.1 16.3 17.9 17.3 14.4 14 15.1 11.8 Silicon (total, as Si) mg/L

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 K0K0437-02 K1D0772-02 K1G0538-02 K1K1151-02 2051005-02 2081860-01 2110475-02 3051597-02 3081785-02 3111069-02 4051475-02 4081538-05 4111157-01 5050751-04 5081150-06 5111116-04 6051472-03 6081298-06 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 0.00036 Silver (total) mg/L Sodium (dissolved) mg/L 48.8 45 48 30.5 52.2 45.5 50.6 52.2 55.3 54.2 46.6 41.1 63.2 41.7 29.6 19.1 19.18.47 Sodium (total) mg/L Strontium (dissolved) mg/L 1.11 1.24 0.961 0.8 1.1 1.07 1.11 0.98 1.14 1.11 0.822 0.784 1.16 0.954 0.771 0.578 0.773 0.465 Strontium (total) mg/L Sulphur (dissolved) mg/L 5127106 4 6 810109 8109 Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 0.00026 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 <0.0002 0.0003 <0.0002 0.0003 0.0004 <0.0002 <0.0002 0.0003 0.0004 Tin (total) mg/L Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.0127 0.0145 0.00993 0.00793 0.0124 0.0102 0.00983 0.0101 0.0105 0.0075 0.00339 0.00771 0.0109 0.00798 0.00734 0.00561 0.00813 0.00609 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.0010 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.004 Vanadium (total) mg/L Zinc (dissolved) mg/L <0.0010 <0.0040 <0.004 <0.004 <0.004 0.004 <0.004 <0.004 <0.004 <0.004 0.038 <0.004 0.009 <0.004 <0.004 <0.004 <0.004 0.028 Zinc (total) mg/L Zirconium (dissolved) mg/L 0.0003 0.0003 0.0002 <0.0001 0.0003 0.0003 0.0002 0.0002 0.0003 0.0002 0.0002 0.0001 0.0003 0.0002 <0.0001 <0.0001 <0.0001 <0.0001 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L 0.0009 <0.0010 <0.0005 0.0133 <0.0010 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 20-Nov-14 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 K0K0437-02 K1D0772-02 K1G0538-02 K1K1151-02 2051005-02 2081860-01 2110475-02 3051597-02 3081785-02 3111069-02 4051475-02 4081538-05 4111157-01 5050751-04 5081150-06 5111116-04 6051472-03 6081298-06 Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.53 0.3 0.36 0.3 0.379 0.636 0.554 0.646 0.725 0.818 0.976 0.683 0.831 0.674 0.499 0.466 0.328 0.329 Nitrate (as N) mg/L 0.02 0.5 <0.01 <0.010 0.028 <0.010 <0.010 <0.010 <0.010 0.06 0.041 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.317 Nitrate + Nitrite (as N) mg/L <0.020 <0.020 <0.010 <0.010 0.06 0.041 <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) (calculated) mg/L 0.02 0.5 <0.01 <0.01 0.028 <0.014 <0.014 <0.014 <0.014 0.06 0.041 <0.014 <0.014 <0.014 <0.014 <0.014 <0.014 0.317 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Total nitrogen mg/L 1.11 1.15 1.13 1.6 1.75 2.45 1.12 1.5 1.04 Total kjeldahl nitrogen mg/L 0.96 0.88 0.87 0.59 1.03 1.11 1.15 1.13 1.6 1.69 2.4 1.12 1.5 1.04 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L 0.033 <0.020 0.04 <0.02 0.03 0.03 <0.02 0.02 0.05 0.03 0.04 0.04 0.04 0.04 <0.02 0.03 0.05 <0.02 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 6.89 6.71 6.43 5.75 6.88 7.2 7.65 8.42 8.86 8.48 7.92 7.71 9.79 7.97 6.38 5.17 6.01 4.45 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 18-Nov-16 08-Jun-17 15-Aug-17 27-Nov-17 08-May-18 04-Sep-18 22-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 6111455-05 7060850-01 7081345-03 7112376-04 8050835-03 8090535-03 8111900-07 Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 919 866 1038 1134 915 899 1152 Depth to Water m 22.785 24.24 22.67 22.31 22.58 22.04 21.46 21.6 21.62 21.73 22 22.18 22.25 22.24 Dissolved oxygen mg/L 1.06 3.27 4.2 0.34 5.05 0.36 0.69 Dissolved oxygen (percent) % 9.5 42.2 3.1 47.1 3.3 6.2 Elevation of Piezometric Surface m 503.796 502.34 503.91 504.27 504 504.54 505.05 504.9 504.89 504.78 505 504.33 504.26 504.27 Elevation of Top of Casing m 526.581 526.581 526.581 526.581 526.581 526.581 526.581 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 Ground Elevation m 525.7 525.7 525.7 525.7 525.7 525.7 525.7 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 Oxidation reduction potential mV -119 -40 -70 -107 -93 -47 -101 pH 7.1 7.3 7.1 7.2 7 7.96 7.29 Temperature °C 10 10.5 11.5 10.2 12.2 11 10.1 11 12 8 8 8.5 10 8.5 8 8.5 10 8

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0005 <0.0005 Tetrachloroethylene mg/L <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 424 579 553 591 427 367 584 Alkalinity (carbonate, as CaCO3) mg/L <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 424 579 553 591 427 367 584 270 274 286 269 274 330 290 280 276 280 286 Bicarbonate Alkalinity (as HCO3) mg/L 518 706 675 721 521 448 712 Carbonate Alkalinity (as CO3) mg/L <0.6 <0.600 <0.600 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <0.3 <0.340 <0.340 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L 5-d Soluble BOD mg/L Bromide mg/L 0.16 0.26 <0.10 <0.10 0.16 <0.10 <0.10 Chemical Oxygen Demand mg/L 20196815 5 441010101514 Chloride mg/L 39 55.8 65.3 62.9 38.2 34.7 77.2 3.3 3.6 4.4 3.15 3.03 3.3 3.75 3.7 3.3 3.6 4.1 Conductivity μS/cm 919 1160 1210 1220 898 857 486 475 375 521 517 519 537 526 518 533 563 Fluoride mg/L 0.19 0.29 <0.10 0.26 0.33 0.29 0.12 Hardness, Total (dissolved as CaCO3) mg/L 491 668 631 655 490 380 593 Hardness, Total (total as CaCO3) mg/L pH 7.53 7.05 7.43 7.76 7.57 7.73 7.57 7.5 7.7 7.7 7.6 7.6 7.8 7.6 7.4 7.6 7.5 7.6 Sulphate mg/L 26.5 33.8 31.1 26.9 31.2 28.7 28 11.2 21 14 15.2 16 17 21 27 29 27 21 Temperature of observed pH °C Total organic carbon mg/L 5.1 10.4 13 8.16 8.6 5.83 Total suspended solids mg/L Turbidity NTU 754 850 540 30 94 2900 505 34 460 2700 210

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 18-Nov-16 08-Jun-17 15-Aug-17 27-Nov-17 08-May-18 04-Sep-18 22-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 6111455-05 7060850-01 7081345-03 7112376-04 8050835-03 8090535-03 8111900-07 Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0005 <0.0005 Chloroform mg/L <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L 0.009 <0.0050 <0.0050 0.0147 0.0376 <0.0050 0.0075 <0.2 <0.2 <0.2 Aluminum (total) mg/L 0.0157 Antimony (dissolved) mg/L <0.0001 0.0015 0.00077 <0.00020 0.0012 <0.00020 <0.00020 <0.2 <0.2 <0.2 Antimony (total) mg/L <0.00020 Arsenic (dissolved) mg/L 0.0135 0.0168 0.0179 0.0179 0.0175 0.00485 0.0191 <0.2 <0.2 <0.2 Arsenic (total) mg/L 0.0174 Barium (dissolved) mg/L 0.148 0.187 0.175 0.209 0.153 0.123 0.237 0.04 0.05 0.05 Barium (total) mg/L 0.147 Beryllium (dissolved) mg/L <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 Bismuth (dissolved) mg/L <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 Boron (dissolved) mg/L 0.07 0.171 0.233 0.138 0.241 0.161 0.203 <0.1 <0.1 <0.1 Boron (total) mg/L 0.18 Cadmium (dissolved) mg/L <0.00001 <0.000010 <0.000010 <0.000010 0.000012 <0.000010 <0.000010 <0.01 <0.01 <0.01 Cadmium (total) mg/L <0.000010 Calcium (dissolved) mg/L 138 176 169 197 136 108 176 79 88 92 Calcium (total) mg/L 113 Chromium (dissolved) mg/L <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.01 <0.01 <0.01 Chromium (total) mg/L <0.00050 Cobalt (dissolved) mg/L 0.00314 0.00172 0.00117 0.00316 0.00203 0.00225 0.00422 Cobalt (total) mg/L 0.00235 Copper (dissolved) mg/L 0.0004 0.00354 0.00043 0.00067 0.00043 <0.00040 <0.00040 <0.01 <0.01 <0.01 Copper (total) mg/L 0.0007 Iron (dissolved) mg/L 11 12.9 17.4 12.6 10.9 <0.010 13.9 <0.03 <0.03 <0.03 Iron (total) mg/L 9.88 Lead (dissolved) mg/L <0.0001 <0.00010 <0.00020 <0.00020 0.00024 <0.00020 <0.00020 <0.05 <0.05 <0.05 Lead (total) mg/L <0.00020 Lithium (dissolved) mg/L 0.0093 0.0103 0.012 0.0097 0.0108 0.0085 0.0107 Lithium (total) mg/L 0.00867 Magnesium (dissolved) mg/L 35.8 55.2 50.6 39.7 36.6 26.6 37.3 15 16.4 18 Magnesium (total) mg/L 25.2 Manganese (dissolved) mg/L 2.25 1.65 1.3 2.16 1.64 1.37 1.95 <0.005 <0.005 <0.005 Manganese (total) mg/L 1.37 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.000010 <0.000010 <0.000010 <0.000040 <0.000040 Mercury (total) mg/L <0.000010 Molybdenum (dissolved) mg/L 0.0042 0.00597 0.00423 0.00295 0.00396 0.00298 0.00242 <0.03 <0.03 <0.03 Molybdenum (total) mg/L 0.003 Nickel (dissolved) mg/L 0.0127 0.00808 0.0118 0.0125 0.0101 0.00765 0.0147 <0.05 <0.05 <0.05 Nickel (total) mg/L 0.00757 Selenium (dissolved) mg/L <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 <0.2 <0.2 <0.2 Selenium (total) mg/L <0.00050 Silicon (dissolved, as Si) mg/L 12.9 16.5 17.3 14 16.3 12.9 13.3 Silicon (total, as Si) mg/L 13.1

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 18-Nov-16 08-Jun-17 15-Aug-17 27-Nov-17 08-May-18 04-Sep-18 22-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 6111455-05 7060850-01 7081345-03 7112376-04 8050835-03 8090535-03 8111900-07 Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 <0.000050 Silver (total) mg/L <0.000050 Sodium (dissolved) mg/L 8.19 16.2 33.3 19.4 35.5 27 49.3 6 6 6 Sodium (total) mg/L 26.9 Strontium (dissolved) mg/L 0.897 1.19 0.985 1.24 0.939 0.845 1.26 Strontium (total) mg/L 0.818 Sulphur (dissolved) mg/L 8 11.5 11.7 9.6 10.2 11.2 8.1 Sulphur (total) mg/L 11.6 Tellurium (dissolved) mg/L <0.0002 <0.00020 <0.00050 <0.00050 <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 Thallium (dissolved) mg/L <0.00002 <0.000020 <0.000020 <0.000020 <0.000020 <0.000020 <0.000020 Thallium (total) mg/L <0.000020 Thorium (dissolved) mg/L <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 <0.00010 Thorium (total) mg/L <0.00010 Tin (dissolved) mg/L <0.0002 0.00022 0.00028 <0.00020 0.00023 <0.00020 0.00026 Tin (total) mg/L <0.00020 Titanium (dissolved) mg/L <0.005 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 <0.0050 Titanium (total) mg/L <0.0050 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 Uranium (dissolved) mg/L 0.00888 0.00831 0.00457 0.013 0.00741 0.00758 0.00915 Uranium (total) mg/L 0.00763 Vanadium (dissolved) mg/L <0.001 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vanadium (total) mg/L <0.0010 Zinc (dissolved) mg/L 0.004 0.033 0.0082 0.0052 0.0098 <0.0040 <0.0040 <0.005 <0.005 0.017 Zinc (total) mg/L <0.0040 Zirconium (dissolved) mg/L 0.0002 0.00039 0.00039 0.00025 0.00018 <0.00010 0.00022 Zirconium (total) mg/L 0.00011

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0002 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L trans-1,3-Dichloropropene mg/L Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 Toluene mg/L 0.0093 <0.0010 Xylenes mg/L <0.0020 <0.0020

Nutrients

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MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-02 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 18-Nov-16 08-Jun-17 15-Aug-17 27-Nov-17 08-May-18 04-Sep-18 22-Nov-18 04-Jun-02 27-Aug-02 07-Nov-02 10-Mar-03 13-May-03 12-Aug-03 04-Nov-03 24-Feb-04 18-May-04 18-Aug-04 10-Nov-04 6111455-05 7060850-01 7081345-03 7112376-04 8050835-03 8090535-03 8111900-07 Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 0.239 0.552 0.275 0.138 0.201 0.131 0.115 Nitrate (as N) mg/L <0.010 <0.010 <0.010 <0.010 0.077 <0.010 0.066 0.85 1.58 1.15 1.08 1.2 1.1 1.28 1.4 1.45 1.55 1.8 Nitrate + Nitrite (as N) mg/L Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 <0.014 <0.014 0.077 <0.014 0.066 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 Total nitrogen mg/L Total kjeldahl nitrogen mg/L 0.5 0.32 1.22 0.36 0.44 0.72 0.46 0.26 0.5 0.88 0.16 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 <0.050 <0.050 0.065 <0.050 <0.050 <0.050 <0.3 <0.3 <0.3 Phosphorus (total, by ICPMS/ICPOES) mg/L <0.050 Potassium (dissolved) mg/L 5.04 6.41 7.1 6 6.16 4.97 6.5 4 4 3 Potassium (total) mg/L 5.05

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 19-Aug-08 16-Nov-08 29-Jan-09 K705762-03 K7H0335-03 K7K0179-03 K8A0188-03 K8E0498-03 K8H0675-03 K8H0675-04 K8K0382-03 K9A0676-03

Analyte Unit

Field Results Conductivity μS/cm 490 480 520 490 Depth to Water m 22.42 22.34 22.26 22.48 22.36 23.71 22.02 22 22.08 21.97 21.95 21.92 32.04 21.89 21.75 21.75 21.735 22.27 Dissolved oxygen mg/L Dissolved oxygen (percent) % Elevation of Piezometric Surface m 504.09 504.17 504.25 504.03 504.15 502.8 504.49 505 504.43 504.54 504.56 504.59 494.47 504.62 504.76 504.76 504.779 504.24 Elevation of Top of Casing m 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 Ground Elevation m 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 Oxidation reduction potential mV pH 7.6 7.63 7.66 7.8 Temperature °C 8108 66.410.5128 511105 513.19.89.87.36.1

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0010 <0.0010 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 280 280 274 273 280 1100 272 254 304 250 257 267 275 267 233 252 248 236 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L 10 <5 19 10 10 10 35 <5 10 <5 <5 10 Chloride mg/L 3.6 2.8 2.5 2.55 3.8 4.45 5.1 3.8 4.6 3.86 4.13 4.05 5.45 3.96 10.6 9.8 5.53 5.35 Conductivity μS/cm 541 541 491 532 538 543 528 529 512 540 515 517 514 510 504 512 516 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L 250 253 253 237 257 Hardness, Total (total as CaCO3) mg/L pH 7.7 7.6 7.7 7.8 7.7 7.3 7.7 7.5 7.8 7.2 7.2 7.5 7.4 7.1 7.1 7 7 Sulphate mg/L 26 19 16 17 20 16 19 18 18 16.7 15 17.3 19.6 17.5 22.7 21.7 22 24.2 Temperature of observed pH °C Total organic carbon mg/L 5 1.7 1.4 4.2 6.4 Total suspended solids mg/L 3090 303 145 1060 845 Turbidity NTU 80 500 110 110 50 410 130 140 1200

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 19-Aug-08 16-Nov-08 29-Jan-09 K705762-03 K7H0335-03 K7K0179-03 K8A0188-03 K8E0498-03 K8H0675-03 K8H0675-04 K8K0382-03 K9A0676-03

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 Bromomethane mg/L <0.0020 <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 Chloromethane mg/L <0.0010 <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 Dichloromethane mg/L <0.0020 <0.0020 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.2 <0.20 <0.050 <0.050 <0.010 <0.010 <0.010 <0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L <0.2 <0.20 <0.0050 <0.0030 <0.0006 <0.0006 <0.0006 0.0004 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.2 <0.20 <0.0050 <0.0050 <0.0010 <0.0010 <0.0010 <0.0005 Arsenic (total) mg/L Barium (dissolved) mg/L 0.05 0.06 0.0502 0.044 0.044 0.044 0.044 0.0444 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0010 <0.0020 <0.0004 <0.0004 <0.0004 <0.0001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0010 <0.0005 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L <0.1 <0.1 <0.020 <0.020 0.028 0.029 0.026 0.028 Boron (total) mg/L Cadmium (dissolved) mg/L <0.01 <0.01 <0.00010 <0.00010 0.00003 0.00005 0.00003 0.00002 Cadmium (total) mg/L Calcium (dissolved) mg/L 96 110 83.5 73.3 75.8 75.9 71.6 78.3 Calcium (total) mg/L Chromium (dissolved) mg/L <0.01 <0.01 0.0052 <0.005 0.011 0.01 0.007 0.0074 Chromium (total) mg/L Cobalt (dissolved) mg/L <0.0010 <0.0005 <0.0001 <0.0001 <0.0001 0.0001 Cobalt (total) mg/L Copper (dissolved) mg/L <0.01 <0.01 <0.0050 <0.0030 0.0007 0.0013 0.0011 0.0006 Copper (total) mg/L Iron (dissolved) mg/L 0.03 <0.03 0.247 0.268 0.066 0.065 0.088 0.095 Iron (total) mg/L Lead (dissolved) mg/L <0.05 <0.05 0.007 <0.0010 <0.0002 <0.0002 <0.0002 0.0003 Lead (total) mg/L Lithium (dissolved) mg/L 0.0073 0.006 0.0079 0.0082 0.0076 0.0065 Lithium (total) mg/L Magnesium (dissolved) mg/L 17 21 17 16.2 15.4 15.5 14.1 14.8 Magnesium (total) mg/L Manganese (dissolved) mg/L <0.005 <0.005 <0.0100 <0.0050 <0.0010 0.0016 0.0021 0.001 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00050 <0.00030 <0.00006 <0.00006 <0.00006 <0.00005 Mercury (total) mg/L Molybdenum (dissolved) mg/L <0.03 <0.03 <0.0020 <0.0010 0.0003 0.0003 0.0003 0.0004 Molybdenum (total) mg/L Nickel (dissolved) mg/L <0.05 <0.05 <0.010 <0.005 0.002 0.002 0.002 0.0016 Nickel (total) mg/L Selenium (dissolved) mg/L <0.2 <0.2 <0.0100 <0.0050 <0.0010 <0.0010 <0.0010 0.0003 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 14.4 15.8 13.8 13.6 13.9 13.4 Silicon (total, as Si) mg/L

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 20-Jan-05 26-Apr-05 10-Aug-05 03-Nov-05 10-Jan-06 18-Apr-06 12-Sep-06 07-Nov-06 09-Jan-07 23-May-07 12-Aug-07 06-Nov-07 08-Jan-08 14-May-08 19-Aug-08 19-Aug-08 16-Nov-08 29-Jan-09 K705762-03 K7H0335-03 K7K0179-03 K8A0188-03 K8E0498-03 K8H0675-03 K8H0675-04 K8K0382-03 K9A0676-03

Analyte Unit

Silver (dissolved) mg/L <0.0004 <0.00040 <0.00008 <0.00008 <0.00008 <0.00005 Silver (total) mg/L Sodium (dissolved) mg/L 6 7 5.66 7.68 5.72 7.24 4.9 5.43 Sodium (total) mg/L Strontium (dissolved) mg/L 0.348 0.312 0.325 0.327 0.329 0.335 Strontium (total) mg/L Sulphur (dissolved) mg/L Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 <0.0006 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.0010 <0.0005 <0.0001 <0.0001 <0.0001 <0.00002 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0050 <0.0030 <0.0006 <0.0006 <0.0006 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0020 <0.0020 <0.0004 <0.0004 <0.0004 <0.0002 Tin (total) mg/L Titanium (dissolved) mg/L <0.0200 <0.100 <0.020 <0.020 <0.020 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.002 0.0017 0.002 0.002 0.0022 0.00259 Uranium (total) mg/L Vanadium (dissolved) mg/L <0.0050 <0.010 0.004 0.004 0.003 0.0029 Vanadium (total) mg/L Zinc (dissolved) mg/L 0.016 0.021 <0.040 <0.030 0.003 0.005 0.013 0.0016 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.010 <0.005 <0.001 <0.001 <0.001 <0.0001 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L 1,2-Dibromoethane mg/L <0.0010 <0.0010 1,2-Dichloropropane mg/L <0.0010 <0.0010 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0010 <0.0010 Ethylbenzene mg/L <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 Toluene mg/L <0.0005 <0.0005 Xylenes mg/L <0.0020 <0.0020

Nutrients

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Analyte Unit

Ammonia (total, as N) mg/L 15 0.12 <0.02 0.09 0.12 0.02 0.02 0.03 0.07 <0.02 Nitrate (as N) mg/L 1.53 1.43 1.25 1.3 1.45 1.25 1.92 1.41 1.48 1.31 1.11 1.08 1.22 1.09 1.5 1.4 1.23 1.47 Nitrate + Nitrite (as N) mg/L 1.48 1.31 1.11 1.08 1.22 Nitrate + Nitrite (as N) (calculated) mg/L 1.31 1.11 1.08 1.22 1.09 1.5 1.4 1.23 1.47 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.01 <0.01 Total nitrogen mg/L Total kjeldahl nitrogen mg/L 0.22 0.24 0.5 0.16 0.12 0.24 0.78 0.34 0.3 1.06 0.34 0.29 0.44 1.17 0.06 0.15 0.38 0.26 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.3 <0.3 <0.500 <0.200 <0.040 <0.040 <0.040 0.016 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 4 4 3.66 4.65 3.48 4.14 3.16 3.22 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9D0454-03 K9H0994-03 K9K0328-03 K0B0173-03 K0D0728-02 K0H0741-03 K0K0437-03 K1D0772-03 K1G0538-03 K1K1151-03 2051005-03 2081860-02 2110475-03 3051597-03 3081785-03 3111069-03 4051475-03 4081538-04 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 500 440 480 480 550 484 560 480 470 540 670 560 550 520 660 650 807 505 Depth to Water m 21.923 21.9 21.968 22.07 22.11 22.18 25.79 22.4 32.31 22.2 22.34 22.65 22.093 22.003 22.1 21.879 21.93 21.42 Dissolved oxygen mg/L 8.44 7.04 8.04 0.88 Dissolved oxygen (percent) % 7.9 Elevation of Piezometric Surface m 504.591 504.6 504.546 504.44 504.4 504.33 500.72 504.11 494.204 504.314 504.174 503.86 504.421 504.511 504.414 504.635 504.58 505.09 Elevation of Top of Casing m 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 Ground Elevation m 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 Oxidation reduction potential mV 13 63 177 144 49 35 21 12 87 134 146 10 55 -209 pH 7.62 7.83 7.37 7.48 7.6 7.38 6.94 7.35 7.64 7.41 7.38 7.54 7.5 7.32 7.38 7.36 7.51 7.7 Temperature °C 9.8 19.8 7.8 7.7 8.9 13.1 7.7 9 9.3 6.5 10.1 9.7 8.4 8.5 10.7 7.7 9.8 9.6

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0005 <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L Alkalinity (carbonate, as CaCO3) mg/L Alkalinity (hydroxide, as CaCO3) mg/L Alkalinity (phenolphthalein, as CaCO3) mg/L Alkalinity (total, as CaCO3) mg/L 240 223 244 243 251 249 245 239 239 229 237 238 252 281 300 320 419 210 Bicarbonate Alkalinity (as HCO3) mg/L Carbonate Alkalinity (as CO3) mg/L Hydroxide Alkalinity (as OH) mg/L Biochemical oxygen demand mg/L <10 <10 <10 <10 <10 <10 <10 <10 5-d Soluble BOD mg/L Bromide mg/L Chemical Oxygen Demand mg/L Chloride mg/L 5.43 9.24 4.96 7.53 14.9 7.96 9.91 12.4 7.47 12.8 16.6 11.1 10.1 15.6 14.8 16.4 18.2 4.39 Conductivity μS/cm 483 482 500 509 530 517 509 503 491 514 565 526 545 623 646 704 877 442 Fluoride mg/L Hardness, Total (dissolved as CaCO3) mg/L 219 253 235 235 280 262 280 259 230 253 251 258 262 341 365 379 446 111 Hardness, Total (total as CaCO3) mg/L pH 7.4 7.95 7.87 7.79 7.87 7.95 7.88 7.9 7.79 8.05 7.97 7.79 7.89 7.47 7.76 7.84 7.88 7.33 Sulphate mg/L 24.1 28.3 20.4 25.4 28.6 25.9 26.7 23.5 20.5 23.3 28 23.2 26.5 28 30.1 32.3 34.7<1.0 Temperature of observed pH °C Total organic carbon mg/L 3.7 5.6 6.3 5.8 6 4.9 1.3 7.6 1.1 1.4 0.9 4.2 1.5 1.7 3 2.6 2 5.1 Total suspended solids mg/L 326 185 4620 525 3270 1940 90 36 58 202 Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010

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Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Bromomethane mg/L <0.0020 <0.0020 <0.0020 Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloroform mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Chloromethane mg/L <0.0010 <0.0010 <0.0010 Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L <0.0010 <0.0010 0.0014 <0.0010 0.0016 0.0026

Metals Aluminum (dissolved) mg/L <0.005 0.016 <0.005 0.006 <0.004 <0.005 <0.005 0.007 <0.005 <0.005 <0.005 0.006 0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Aluminum (total) mg/L Antimony (dissolved) mg/L 0.0003 0.0021 0.0003 0.0004 0.0003 0.0008 0.0004 0.0012 0.0011 0.002 0.0006 0.0018 0.0005 0.0006 0.0018 0.0007 0.0002 0.0001 Antimony (total) mg/L Arsenic (dissolved) mg/L <0.0005 0.0007 <0.0005 0.0006 <0.0004 0.0008 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Arsenic (total) mg/L Barium (dissolved) mg/L 0.0535 0.0434 0.041 0.0451 0.0379 0.0481 0.0437 0.0471 0.042 0.041 0.045 0.045 0.045 0.061 0.058 0.058 0.08 0.06 Barium (total) mg/L Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 0.0001 <0.0001 Beryllium (total) mg/L Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Bismuth (total) mg/L Boron (dissolved) mg/L 0.025 0.08 0.029 0.03 0.025 0.021 0.03 0.044 0.04 0.055 0.066 0.071 0.077 0.11 0.104 0.093 0.146 0.064 Boron (total) mg/L Cadmium (dissolved) mg/L 0.00002 0.00003 0.00002 0.00001 0.00001 0.00002 0.00002 0.00028 0.00003 0.00002 0.00002 0.00003 0.00002 0.00004 0.00015 0.00002 0.00003 <0.00001 Cadmium (total) mg/L Calcium (dissolved) mg/L 62.8 71.6 70.9 67.3 88.2 79.6 87.9 77.8 68.8 67.4 73.4 77 76.7 100 112 115 136 33.7 Calcium (total) mg/L Chromium (dissolved) mg/L 0.0027 0.0022 0.0036 0.0077 0.003 0.007 0.004 0.0033 0.0034 0.0031 0.0036 0.003 0.0032 0.0051 0.0042 0.0037 0.0042 <0.0005 Chromium (total) mg/L Cobalt (dissolved) mg/L 0.00008 0.00038 0.0001 0.00007 0.0001 0.00015 0.00009 <0.00005 <0.00005 <0.00005 0.00006 0.00027 0.00016 <0.00005 0.00015 0.00006 0.00008 0.0002 Cobalt (total) mg/L Copper (dissolved) mg/L 0.0011 0.0197 0.0005 0.0006 0.0002 0.001 0.0013 0.001 0.0023 0.0022 0.0011 0.0017 0.0004 0.0007 0.002 0.0007 0.0156 0.0003 Copper (total) mg/L Iron (dissolved) mg/L 0.076 0.099 0.101 0.042 0.121 0.199 0.098 <0.010 <0.01 0.01 <0.01 0.07 0.04 <0.010 0.012 <0.010 <0.010 41.2 Iron (total) mg/L Lead (dissolved) mg/L <0.0001 0.0002 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 0.0002 <0.0001 <0.0001 0.0003 <0.0001 <0.0001 0.0005 0.0003 <0.0001 <0.0001 Lead (total) mg/L Lithium (dissolved) mg/L 0.0088 0.0195 0.0068 0.0067 0.0052 0.0051 0.0071 0.0066 0.0061 0.0066 0.0064 0.0068 0.0067 0.008 0.0087 0.0077 0.009 0.0023 Lithium (total) mg/L Magnesium (dissolved) mg/L 15.1 17.9 14 16.3 14.6 15.3 14.6 15.8 14.4 20.7 16.6 15.9 17.1 22 20.8 22.5 25.86.59 Magnesium (total) mg/L Manganese (dissolved) mg/L 0.0005 0.0049 0.0017 0.0018 0.0013 0.003 0.0015 0.0018 0.0018 0.0014 0.0007 0.0134 0.0077 0.0003 0.0008 0.0006 0.0009 0.385 Manganese (total) mg/L Mercury (dissolved) mg/L <0.00005 <0.00005 <0.00005 0.00005 <0.00004 <0.00005 <0.00005 <0.00002 <0.00002 <0.00002 <0.00002 0.00004 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Mercury (total) mg/L Molybdenum (dissolved) mg/L 0.0003 0.0016 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003 0.0004 0.0004 0.0004 0.0006 0.0004 0.0004 0.0003 0.0002 0.0003 0.0007 Molybdenum (total) mg/L Nickel (dissolved) mg/L 0.0015 0.0028 0.0014 0.0009 0.0013 0.0026 0.0021 0.0008 0.0006 0.0009 <0.0002 0.0069 0.0043 0.0011 0.0019 0.0012 0.0014 0.0006 Nickel (total) mg/L Selenium (dissolved) mg/L 0.0003 0.0005 <0.0003 0.0004 <0.0003 0.0007 <0.0003 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Selenium (total) mg/L Silicon (dissolved, as Si) mg/L 15.2 12.3 14.6 16.4 8.43 15.9 18.1 18.3 14.2 13.4 15.4 15.2 15.7 18.8 14.8 14.1 15.7 0.9 Silicon (total, as Si) mg/L

SA WW Report 2018 ‐ RA Report Page 66 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9D0454-03 K9H0994-03 K9K0328-03 K0B0173-03 K0D0728-02 K0H0741-03 K0K0437-03 K1D0772-03 K1G0538-03 K1K1151-03 2051005-03 2081860-02 2110475-03 3051597-03 3081785-03 3111069-03 4051475-03 4081538-04 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00004 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 Silver (total) mg/L Sodium (dissolved) mg/L 5.12 13.3 4.82 5.38 4.7 5.15 4.72 5.69 5.49 6.41 5.67 5.77 5.94 7.5 6.91 6.86 7.65 3.37 Sodium (total) mg/L Strontium (dissolved) mg/L 0.335 0.353 0.325 0.314 0.293 0.303 0.338 0.327 0.287 0.312 0.348 0.325 0.328 0.453 0.435 0.5 0.611 0.522 Strontium (total) mg/L Sulphur (dissolved) mg/L 5 9 7136 6 9<1 Sulphur (total) mg/L Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 Tellurium (total) mg/L Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 Thallium (total) mg/L Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Thorium (total) mg/L Tin (dissolved) mg/L <0.0002 0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 <0.0002 Tin (total) mg/L Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Titanium (total) mg/L Tungsten (dissolved) mg/L Tungsten (total) mg/L Uranium (dissolved) mg/L 0.00206 0.00202 0.002 0.00212 0.00174 0.00193 0.00211 0.002 0.00164 0.00294 0.00254 0.00213 0.00258 0.00336 0.00354 0.00299 0.00464 <0.00002 Uranium (total) mg/L Vanadium (dissolved) mg/L 0.0012 0.0012 0.0016 0.0026 0.0013 0.0024 0.0014 0.001 0.001 0.002 0.001 0.001 0.001 0.001 0.001 0.001 0.001 <0.001 Vanadium (total) mg/L Zinc (dissolved) mg/L 0.0028 0.016 0.0013 0.0021 0.0043 0.0088 0.0012 0.0064 0.004 <0.004 <0.004 0.019 <0.004 <0.004 0.006 <0.004 0.007 0.004 Zinc (total) mg/L Zirconium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.00009 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 Zirconium (total) mg/L

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0010 <0.0003 <0.0003 <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L cis-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0010 <0.0010 <0.0010 <0.0020 <0.0020 <0.0020

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 <0.0010 Toluene mg/L <0.0005 <0.0005 0.001 <0.0010 <0.0005 0.002 Xylenes mg/L <0.0020 <0.0020 <0.0020 <0.0020 <0.0020 <0.0020

Nutrients

SA WW Report 2018 ‐ RA Report Page 67 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 15-Apr-09 27-Aug-09 09-Nov-09 03-Feb-10 23-Apr-10 17-Aug-10 09-Nov-10 25-Apr-11 13-Jul-11 29-Nov-11 17-May-12 30-Aug-12 08-Nov-12 28-May-13 28-Aug-13 19-Nov-13 26-May-14 25-Aug-14 K9D0454-03 K9H0994-03 K9K0328-03 K0B0173-03 K0D0728-02 K0H0741-03 K0K0437-03 K1D0772-03 K1G0538-03 K1K1151-03 2051005-03 2081860-02 2110475-03 3051597-03 3081785-03 3111069-03 4051475-03 4081538-04 Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L <0.02 0.05 <0.02 0.14 0.03 0.03 0.02 0.04 0.04 0.02 0.021 0.074 0.032 0.065 0.025 <0.020 0.028 24 Nitrate (as N) mg/L 1.46 0.9 1.4 1.78 2.13 1.83 1.77 1.73 1.53 1.79 2.1 1.5 1.53 1.78 2 2.19 2.38 <0.010 Nitrate + Nitrite (as N) mg/L 1.5 1.53 1.78 2 2.19 2.38 <0.010 Nitrate + Nitrite (as N) (calculated) mg/L 1.46 0.9 1.4 1.78 2.13 1.83 1.77 1.73 1.53 1.79 2.1 1.5 1.53 1.78 2 2.19 2.38 <0.014 Nitrite (as N) mg/L <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 Total nitrogen mg/L 1.79 1.72 2.11 2.31 2.5 2.59 24.8 Total kjeldahl nitrogen mg/L 0.23 0.5 0.3 0.26 0.31 0.38 0.24 0.22 0.21 0.19 0.24 0.29 0.2 0.33 0.3 0.3 0.21 24.8 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.020 <0.020 <0.020 <0.020 <0.018 <0.020 <0.020 <0.020 0.07 <0.02 <0.02 0.03 <0.02 <0.02 <0.02 <0.02 <0.02 0.06 Phosphorus (total, by ICPMS/ICPOES) mg/L Potassium (dissolved) mg/L 3.09 4.01 3.07 2.77 2.92 2.8 3.02 3.18 2.97 3.52 3.22 3.15 3.31 4 3.68 3.69 4.239.51 Potassium (total) mg/L

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 68 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 24-Nov-14 11-May-15 11-May-15 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 28-Nov-17 08-May-18 04-Sep-18 21-Nov-18 4111252-01 5050751-07 5050751-08 5050751-02 5081150-05 5111116-02 6051472-02 6081298-05 6111455-03 7112376-08 8050835-04 8090535-04 8111900-03 Normal Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Field Results Conductivity μS/cm 433 1086 1086 1086 1009 1013 1025 1030 998 928 1007 1096 981 Depth to Water m 22.91 21.42 21.42 21.42 21.163 21.19 21.18 20.73 21.22 20.18 20.27 19.94 20.02 Dissolved oxygen mg/L 1.57 6.7 6.7 6.7 6.65 7.51 6.23 6.49 4.6 5.14 6.9 6.48 Dissolved oxygen (percent) % 13.3 62 62 62 59.3 66.4 56.6 61.8 39.4 54.2 61.7 54.3 Elevation of Piezometric Surface m 503.6 505.09 505.09 505.09 505.351 505.32 505.33 505.78 505.29 506.33 506.24 506.57 506.49 Elevation of Top of Casing m 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 526.514 Ground Elevation m 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 525.98 Oxidation reduction potential mV -242 62 62 62 40 5 30 -30 63 105 37 159 131 pH 7.5 7.4 7.4 7.4 7.3 7.4 7 7 7.1 7.5 7.2 8.83 7.17 Temperature °C 8.1 9.8 9.8 9.8 9.2 8.2 9 12.2 8.3 8 9.8 10.2 7.6

Lab Results Chlorinated Hydrocarbons 1,2-Dichlorobenzene mg/L <0.0005 <0.0005 <0.0005 1,3-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,4-Dichlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,1-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 1,2-Dichloroethane mg/L <0.0010 <0.0010 <0.0010 1,1-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 cis-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 trans-1,2-Dichloroethylene mg/L <0.0010 <0.0010 <0.0010 Monochlorobenzene mg/L <0.0010 <0.0010 <0.0010 1,1,2,2-Tetrachloroethane mg/L <0.0010 <0.0010 <0.0005 Tetrachloroethylene mg/L <0.0010 <0.0010 <0.0010 1,1,1-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 1,1,2-Trichloroethane mg/L <0.0010 <0.0010 <0.0010 Trichloroethylene mg/L <0.0010 <0.0010 <0.0010

General Alkalinity (bicarbonate, as CaCO3) mg/L 504 526 500 511 530 514 593 Alkalinity (carbonate, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1 <1 <1 <1.0 <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 170 541 541 546 473 519 504 526 500 511 530 514 593 Bicarbonate Alkalinity (as HCO3) mg/L 615 642 611 623 647 627 723 Carbonate Alkalinity (as CO3) mg/L <1 <0.6 <0.6 <0.600 <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <1 <0.3 <0.3 <0.340 <0.340 <0.340 <0.340 Biochemical oxygen demand mg/L <10 <10 <10 <10 <10 <6 5-d Soluble BOD mg/L Bromide mg/L <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 <0.10 Chemical Oxygen Demand mg/L Chloride mg/L 3.55 14.6 14.7 15.3 14.6 12.3 12.9 10.8 11.6 14.7 8.67 6.25 5.57 Conductivity μS/cm 372 1020 1020 975 944 1010 1000 1030 1030 1020 1040 1080 Fluoride mg/L <0.10 <0.10 <0.10 0.18 0.17 <0.10 <0.10 Hardness, Total (dissolved as CaCO3) mg/L 105 606 588 597 536 569 559 518 571 527 646 591 629 Hardness, Total (total as CaCO3) mg/L pH 7.57 7.71 7.7 7.71 7.79 7.61 7.63 7.74 7.62 7.91 7.51 7.76 7.57 Sulphate mg/L <1.0 50.7 50.5 49.3 43.5 52.5 49.5 52.4 51.4 51 63.2 64.7 65.7 Temperature of observed pH °C Total organic carbon mg/L 3.2 1.9 1.8 1.7 1.7 1.4 1.5 1.8 2.2 1.29 2.88 3.69 Total suspended solids mg/L Turbidity NTU

Halogenated Methanes Bromodichloromethane mg/L <0.0010 <0.0010 <0.0010

SA WW Report 2018 ‐ RA Report Page 69 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 24-Nov-14 11-May-15 11-May-15 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 28-Nov-17 08-May-18 04-Sep-18 21-Nov-18 4111252-01 5050751-07 5050751-08 5050751-02 5081150-05 5111116-02 6051472-02 6081298-05 6111455-03 7112376-08 8050835-04 8090535-04 8111900-03 Normal Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Bromoform mg/L <0.0010 <0.0010 <0.0010 Bromomethane mg/L Carbon tetrachloride mg/L <0.0010 <0.0010 <0.0005 Chloroform mg/L <0.0010 <0.0010 <0.0010 Chloromethane mg/L Dibromochloromethane mg/L <0.0010 <0.0010 <0.0010 Dibromomethane mg/L <0.0010 <0.0010 <0.0010 Dichloromethane mg/L <0.0030 <0.0030 <0.0030 Total Trihalomethanes (calculated) mg/L <0.0020 <0.0020 <0.0020 Trichlorofluoromethane mg/L 0.0018 <0.0010 <0.0010

Metals Aluminum (dissolved) mg/L <0.005 0.007 0.008 0.007 0.009 0.014 0.008 <0.005 <0.005 0.0288 0.0156 <0.0050 0.0056 Aluminum (total) mg/L 0.121 Antimony (dissolved) mg/L 0.0005 0.0009 0.001 0.0018 0.0022 0.0014 0.0021 0.0027 0.0048 0.00622 0.00126 0.00114 0.00028 Antimony (total) mg/L 0.00153 Arsenic (dissolved) mg/L <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 Arsenic (total) mg/L <0.00050 Barium (dissolved) mg/L 0.054 0.099 0.099 0.099 0.089 0.095 0.095 0.093 0.097 0.0849 0.113 0.116 0.121 Barium (total) mg/L 0.116 Beryllium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 Bismuth (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 Boron (dissolved) mg/L 0.05 0.131 0.125 0.141 0.1 0.113 0.13 0.107 0.116 0.116 0.163 0.136 0.116 Boron (total) mg/L 0.137 Cadmium (dissolved) mg/L 0.00001 0.00003 0.00003 0.00004 0.00004 0.00003 0.00003 0.00002 0.00004 0.000056 0.000042 0.000026 0.000038 Cadmium (total) mg/L 0.000039 Calcium (dissolved) mg/L 31.7 184 178 180 163 176 172 158 174 162 198 178 194 Calcium (total) mg/L 181 Chromium (dissolved) mg/L <0.0005 0.0046 0.0042 0.0046 0.0039 0.0041 0.0044 0.0038 0.0043 0.00369 0.00466 0.00498 0.00478 Chromium (total) mg/L 0.00558 Cobalt (dissolved) mg/L 0.00016 0.0001 0.0001 0.00011 0.0001 0.0001 0.00011 0.0001 0.00011 0.00012 0.00018 <0.00010 <0.00010 Cobalt (total) mg/L 0.00022 Copper (dissolved) mg/L 0.0006 0.0014 0.0018 0.0032 0.0133 0.0013 0.0019 0.0023 0.0083 0.012 0.00219 0.00178 0.0006 Copper (total) mg/L 0.00314 Iron (dissolved) mg/L 24.8 0.02 0.02 0.016 0.022 0.034 0.017 0.023 <0.010 0.034 0.041 <0.010 0.012 Iron (total) mg/L 0.2 Lead (dissolved) mg/L <0.0001 0.0001 0.0001 0.0001 0.0005 0.0003 0.0001 <0.0001 <0.0001 0.00041 0.00029 0.00024 <0.00020 Lead (total) mg/L 0.00149 Lithium (dissolved) mg/L 0.0018 0.0113 0.011 0.011 0.0098 0.0102 0.0103 0.0102 0.011 0.0103 0.013 0.013 0.012 Lithium (total) mg/L 0.0124 Magnesium (dissolved) mg/L 6.38 35.3 35 35.8 31.4 31.6 31.3 30.2 32.8 29.7 37 35.7 34.7 Magnesium (total) mg/L 33.3 Manganese (dissolved) mg/L 0.335 0.0032 0.0032 0.0055 0.0027 0.0035 0.0041 0.0048 0.001 0.00689 0.0148 <0.00020 0.00315 Manganese (total) mg/L 0.00566 Mercury (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000010 <0.000010 <0.000040 <0.000040 Mercury (total) mg/L <0.000010 Molybdenum (dissolved) mg/L 0.0013 0.0003 0.0003 0.0004 0.0004 0.0002 0.0003 0.0002 0.0004 0.00047 0.00022 0.00022 0.00017 Molybdenum (total) mg/L 0.00022 Nickel (dissolved) mg/L 0.0008 0.0014 0.0013 0.0019 0.0025 0.0014 0.0017 0.0016 0.0019 0.00263 0.00182 0.00176 0.00147 Nickel (total) mg/L 0.00214 Selenium (dissolved) mg/L <0.0005 <0.0005 <0.0005 0.0007 <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <0.00050 <0.00050 <0.00050 <0.00050 Selenium (total) mg/L <0.00050 Silicon (dissolved, as Si) mg/L 0.9 16.3 16 17.2 16.2 16.9 17.6 15.6 17.1 16.3 20 19.6 17 Silicon (total, as Si) mg/L 18.6

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 24-Nov-14 11-May-15 11-May-15 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 28-Nov-17 08-May-18 04-Sep-18 21-Nov-18 4111252-01 5050751-07 5050751-08 5050751-02 5081150-05 5111116-02 6051472-02 6081298-05 6111455-03 7112376-08 8050835-04 8090535-04 8111900-03 Normal Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Silver (dissolved) mg/L <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.00005 <0.000050 <0.000050 <0.000050 <0.000050 Silver (total) mg/L <0.000050 Sodium (dissolved) mg/L 3.33 9.06 8.99 9.4 8.11 7.7 8.26 7.8 8.57 9.25 9.14 8.76 8.35 Sodium (total) mg/L 8.57 Strontium (dissolved) mg/L 0.488 0.761 0.749 0.761 0.669 0.713 0.691 0.678 0.724 0.698 0.857 0.854 0.842 Strontium (total) mg/L 0.842 Sulphur (dissolved) mg/L <1 15 16 17 17 17 19 15 16 17.4 22.9 21 22.7 Sulphur (total) mg/L 22.7 Tellurium (dissolved) mg/L <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.00050 <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 Thallium (dissolved) mg/L <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.00002 <0.000020 <0.000020 <0.000020 <0.000020 Thallium (total) mg/L <0.000020 Thorium (dissolved) mg/L <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.00010 <0.00010 <0.00010 <0.00010 Thorium (total) mg/L <0.00010 Tin (dissolved) mg/L <0.0002 0.0004 0.0004 <0.0002 0.0004 <0.0002 0.0002 0.0031 <0.0002 0.00046 0.00022 0.0003 <0.00020 Tin (total) mg/L 0.00043 Titanium (dissolved) mg/L <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.0050 <0.0050 <0.0050 <0.0050 Titanium (total) mg/L 0.0084 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 Uranium (dissolved) mg/L 0.00009 0.00545 0.00526 0.00533 0.00476 0.00482 0.0046 0.00463 0.0047 0.00419 0.00473 0.00466 0.00417 Uranium (total) mg/L 0.00467 Vanadium (dissolved) mg/L <0.001 0.002 0.002 0.002 0.001 0.001 0.001 0.001 0.001 0.0012 0.0014 0.0015 0.0012 Vanadium (total) mg/L 0.0019 Zinc (dissolved) mg/L 0.005 0.005 0.005 0.006 0.013 0.007 0.007 0.015 0.014 0.0251 0.0072 0.0234 <0.0040 Zinc (total) mg/L 0.0163 Zirconium (dissolved) mg/L <0.0001 0.0002 0.0002 0.0002 0.0001 0.0002 0.0002 0.0002 0.0002 0.0002 0.00019 0.00017 0.00018 Zirconium (total) mg/L 0.0002

Microbiological Background Bacteria CFU/100 mL E. coli (counts) CFU/100 mL E. coli (MPN) MPN/100 mL Fecal coliforms (counts) CFU/100 mL Fecal coliforms (MPN) MPN/100 mL Total coliforms (counts) CFU/100 mL Total coliforms (MPN) MPN/100 mL

Miscellaneous Organic Substances Chloroethane mg/L <0.0020 <0.0020 <0.0020 1,2-Dibromoethane mg/L <0.0003 <0.0003 <0.0003 1,2-Dichloropropane mg/L <0.0010 <0.0010 <0.0010 1,3-Dichloropropene mg/L <0.0010 <0.0010 cis-1,3-Dichloropropene mg/L <0.0010 trans-1,3-Dichloropropene mg/L <0.0010 Methyl tert-butyl ether (MTBE) mg/L <0.0010 <0.0010 <0.0010 Vinyl chloride mg/L <0.0020 <0.0020 <0.0010

Monocyclic Aromatic Hydrocarbons (MAHs) Benzene mg/L <0.0005 <0.0005 <0.0005 Ethylbenzene mg/L <0.0010 <0.0010 <0.0010 Styrene mg/L <0.0010 <0.0010 <0.0010 Toluene mg/L 0.0017 0.0107 <0.0010 Xylenes mg/L <0.0020 <0.0020 <0.0020

Nutrients

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MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 MW95-03 24-Nov-14 11-May-15 11-May-15 11-May-15 17-Aug-15 16-Nov-15 17-May-16 16-Aug-16 20-Nov-16 28-Nov-17 08-May-18 04-Sep-18 21-Nov-18 4111252-01 5050751-07 5050751-08 5050751-02 5081150-05 5111116-02 6051472-02 6081298-05 6111455-03 7112376-08 8050835-04 8090535-04 8111900-03 Normal Duplicate Duplicate Normal Normal Normal Normal Normal Normal Normal Normal Normal Normal

Analyte Unit

Ammonia (total, as N) mg/L 17.7 0.073 0.021 <0.020 <0.020 <0.020 <0.020 0.038 0.039 0.037 0.046 0.31 0.037 Nitrate (as N) mg/L <0.010 2.67 2.65 2.98 2.83 3.16 3.85 3.6 3.59 3.33 2.84 3.74 3.43 Nitrate + Nitrite (as N) mg/L <0.010 2.67 2.65 2.98 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 2.67 2.65 2.98 2.83 3.16 3.85 3.6 3.59 3.33 3.03 3.74 3.43 Nitrite (as N) mg/L <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 <0.010 0.189 <0.010 <0.010 Total nitrogen mg/L 18 2.86 2.83 3.15 Total kjeldahl nitrogen mg/L 18 0.19 0.18 0.18 Orthophosphate (dissolved, as P) mg/L Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.02 <0.02 <0.02 <0.02 0.02 0.02 0.03 0.06 0.06 0.316 <0.050 0.105 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L 0.117 Potassium (dissolved) mg/L 8.14 4.73 4.69 4.98 4.47 4.4 4.66 4.43 4.95 4.7 5.33 4.93 4.27 Potassium (total) mg/L 5.05

Polycyclic Aromatic Hydrocarbons (PAHs) Acenaphthene mg/L Acenaphthylene mg/L Acridine mg/L Anthracene mg/L Benz[a]anthracene mg/L Benzo[a]pyrene mg/L Benzo[b]fluoranthene mg/L Benzo[g,h,i]perylene mg/L Benzo[k]fluoranthene mg/L Chrysene mg/L Dibenz[a,h]anthracene mg/L Fluoranthene mg/L Fluorene mg/L Indeno[1,2,3-cd]pyrene mg/L Naphthalene mg/L Phenanthrene mg/L Pyrene mg/L Quinoline mg/L

SA WW Report 2018 ‐ RA Report Page 72 of 72 Salmon Arm Refuse Disposal Site Water Quality Results

Guideline Notes for Reports for CSRD Refuse Disposal Sites Water Quality Results

1. Notes for Guidelines for Canadian Drinking Water Quality - Maximum Acceptable Concentrations (GCDWQ MAC) Note 1.1 for Turbidity: Waterworks systems that use a surface water source or a groundwater source under the direct influence of surface water should filter the source water to meet health-based turbidity limits, as defined for specific treatment technologies. Where possible, filtration systems should be designed and operated to reduce turbidity levels as low as possible, with a treated water turbidity target of less than 0.1 NTU at all times. Where this is not achievable, the treated water turbidity levels from individual filters should meet the requirements described in GCDWQ. For systems that use groundwater that is not under the direct influence of surface water, which are considered less vulnerable to faecal contamination, turbidity should generally be below 1.0 NTU. For effective operation of the distribution system, it is good practice to ensure that water entering the distribution system has turbidity levels below 1.0 NTU. Note 1.2 for Bromodichloromethane: The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 μg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. Trihalomethanes refers to the total of chloroform, bromodichloromethane, dibromochloromethane and bromoform compounds. Note 1.3 for Bromoform: The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 μg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. Trihalomethanes refers to the total of chloroform, bromodichloromethane, dibromochloromethane and bromoform compounds.

Note 1.4 for Chloroform: The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 μg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. Trihalomethanes refers to the total of chloroform, bromodichloromethane, dibromochloromethane and bromoform compounds. Note 1.5 for Dibromochloromethane: The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 μg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. Trihalomethanes refers to the total of chloroform, bromodichloromethane, dibromochloromethane and bromoform compounds. Note 1.6 for Total Trihalomethanes (calculated): Trihalomethanes refers to the total of chloroform, bromodichloromethane, dibromochloromethane and bromoform compounds. The maximum acceptable concentration (MAC) for trihalomethanes (THMs) in drinking water is 0.100 mg/L (100 μg/L) based on a locational running annual average of a minimum of quarterly samples taken at the point in the distribution system with the highest potential THM levels. Utilities should make every effort to maintain concentrations as low as reasonably achievable without compromising the effectiveness of disinfection. Note 1.7 for Arsenic (dissolved): Every effort should be made to maintain arsenic levels in drinking water as low as reasonably achievable Note 1.8 for Arsenic (total): Every effort should be made to maintain arsenic levels in drinking water as low as reasonably achievable Note 1.9 for E. coli (counts): MAC is none detectable per 100 mL Note 1.10 for E. coli (MPN): MAC is none detectable per 100 mL Note 1.11 for Fecal coliforms (counts): The GCDWQ does not have a guideline for fecal coliforms. The GCDWQ were revised in 2006 when the guideline for fecal coliforms was deleted, and a guideline for E. coli was added. However the GCDWQ has a guideline for total coliforms that includes the following statement: “The MAC of total coliforms in water leaving a treatment plant in a public system and throughout semi-public and private supply systems is none detectable per 100 mL.” Therefore a guideline of none detectable per 100 mL was used for fecal coliforms for this report. Note that the Drinking Water Protection Regulation (2003), under the BC Drinking Water Protection Act, has a water quality standard for potable water for fecal coliforms of “No detectable fecal coliform bacteria per 100 ml”. Note 1.12 for Fecal coliforms (MPN): The GCDWQ does not have a guideline for fecal coliforms. The GCDWQ were revised in 2006 when the guideline for fecal coliforms was deleted, and a guideline for E. coli was added. However the GCDWQ has a guideline for total coliforms that includes the following statement: “The MAC of total coliforms in water leaving a treatment plant in a public system and throughout semi-public and private supply systems is none detectable per 100 mL.” Therefore a guideline of none detectable per 100 mL was used for fecal coliforms for this report. Note that the Drinking Water Protection Regulation (2003), under the BC Drinking Water Protection Act, has a water quality standard for potable water for fecal coliforms of “No detectable fecal coliform bacteria per 100 ml”. Note 1.13 for Total coliforms (counts): The maximum acceptable concentration (MAC) of total coliforms in water leaving a treatment plant and in non-disinfected groundwater leaving the well is none detectable per 100 mL. Total coliforms should be monitored in the distribution system because they are used to indicate changes in water quality. Detection of total coliforms from consecutive samples from the same site or from more than 10% of the samples collected in a given sampling period should be investigated. Note 1.14 for Total coliforms (MPN):

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The maximum acceptable concentration (MAC) of total coliforms in water leaving a treatment plant and in non-disinfected groundwater leaving the well is none detectable per 100 mL. Total coliforms should be monitored in the distribution system because they are used to indicate changes in water quality. Detection of total coliforms from consecutive samples from the same site or from more than 10% of the samples collected in a given sampling period should be investigated. Note 1.15 for Vinyl chloride: Every effort should be made to maintain vinyl chloride levels in drinking water as low as reasonably achievable Note 1.16 for Nitrate + Nitrite (as N): The MAC for Nitrate (as N) is 10 mg/L Note 1.17 for Nitrate + Nitrite (as N) (calculated): The MAC for Nitrate (as N) is 10 mg/L 2. Notes for Guidelines for Canadian Drinking Water Quality - Aesthetic Objectives (GCDWQ AO Note 2.1 for pH: The operational guideline for pH is a range of 7.0 to 10.5 in finished drinking water Note 2.2 for pH: The operational guideline for pH is a range of 7.0 to 10.5 in finished drinking water Note 2.3 for Sulphate: There may be a laxative effect in some individuals when sulphate levels exceed 500 mg/L. Health authorities should be notified of drinking water sources containing above 500 mg/L. Note 2.4 for Aluminum (dissolved): This is an operational guidance value, designed to apply only to drinking water treatment plants using aluminum-based coagulants. The operational guidance value of 0.1 mg/L applies to conventional treatment plants, and 0.2 mg/L applies to other types of treatment systems. Note 2.5 for Aluminum (total): This is an operational guidance value, designed to apply only to drinking water treatment plants using aluminum-based coagulants. The operational guidance value of 0.1 mg/L applies to conventional treatment plants, and 0.2 mg/L applies to other types of treatment systems. 3. Notes for BC CSR, Schedule 3.2, Generic Numerical Water Standards for Irrigation (2017 and updates) (BC CSR IW) General Notes: Standards for all organic substances are for total substance concentrations. Any water sample to be analyzed for organic substances should not be filtered. Standards for surface water samples to be analyzed for heavy metals, metalloids and inorganic ions are total substance concentrations. In addition, it is recommended that surface water samples being analyzed for heavy metals, metalloids and inorganic ions should also be analyzed for dissolved substance concentrations. Standards for groundwater samples for heavy metals, metalloids and inorganic ions are for dissolved substance concentrations. In addition, it is recommended that groundwater samples being analyzed for heavy metals, metalloids and inorganic ions should also be analyzed for total substance concentrations. Standards apply to irrigation of all soil types, unless otherwise indicated. / There are several different standards for site- specific factors for some analytes. The most stringent standards were used for this criteria set. Note 3.1 for Chloride: Standard to protect all types of crops. Note 3.2 for Boron (dissolved): Standard varies depending on crop. This standard is for blackberry crop Note 3.3 for Boron (total): Standard varies depending on crop. This standard is for blackberry crop Note 3.4 for Chromium (dissolved): Analytical results for chromium (all species) in water may be used to demonstrate compliance with the standards. Where the standards cannot be met based on analytical results for chromium (all species), chromium speciation may be necessary. Standard is 8 μg/L for chromium, hexavalent. Standard is 5 μg/L for chromium, trivalent. The standard of 5 μg/L was used to identify exceedances for dissolved chromium in order to demonstrate compliance with the standards.

Note 3.5 for Chromium (total): Analytical results for chromium (all species) in water may be used to demonstrate compliance with the standards. Where the standards cannot be met based on analytical results for chromium (all species), chromium speciation may be necessary. Standard is 8 μg/L for chromium, hexavalent. Standard is 5 μg/L for chromium, trivalent. The standard of 5 μg/L was used to identify exceedances for total chromium in order to demonstrate compliance with the standards.

Note 3.6 for Iron (dissolved): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item A6, A7, A8 or A11 (b) item C1, C2, C3, C4 or C6, (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Note 3.7 for Iron (total): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item A6, A7, A8 or A11 (b) item C1, C2, C3, C4 or C6, (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above.

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Note 3.8 for Lithium (dissolved): Standard to protect all types of crops. Note 3.9 for Lithium (total): Standard to protect all types of crops. Note 3.10 for Manganese (dissolved): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item B1 (b) item C1, C3 or C4 (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H3 or H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Note 3.11 for Manganese (total): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item B1 (b) item C1, C3 or C4 (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H3 or H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Note 3.12 for Molybdenum (dissolved): Standard varies with crop, soil drainage and Mo:Cu ratio. Standard is 10 – 30 μg/L. Consult a director for further advice. The most stringent standard of 10 μg/L has been used. Note 3.13 for Molybdenum (total): Standard varies with crop, soil drainage and Mo:Cu ratio. Standard is 10 – 30 μg/L. Consult a director for further advice. The most stringent standard of 10 μg/L has been used. Note 3.14 for Selenium (dissolved): Standard varies with type of application; continuous or intermittent. This standard is for continuous applications on crops.

Note 3.15 for Selenium (total): Standard varies with type of application; continuous or intermittent. This standard is for continuous applications on crops.

Note 3.16 for Zinc (dissolved): The standard varies (from 1000 to 5000 μg/L) with soil pH. This standard (which is the most stringent) is for soil pH less than 6.0 Note 3.17 for Zinc (total): The standard varies (from 1000 to 5000 μg/L) with soil pH. This standard (which is the most stringent) is for soil pH less than 6.0 4. Notes for BC CSR, Schedule 3.2, Generic Numerical Water Standards for Drinking Water (2017 and updates) (BC CSR DW) General Notes: Drinking water standards are for unfiltered samples obtained at the point of consumption. Heavy metals, metalloids and inorganic ions are expressed as total substance concentrations unless otherwise indicated Note 4.1 for 1,2-Dichlorobenzene: Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.2 for 1,4-Dichlorobenzene: Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.3 for Monochlorobenzene: Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.4 for Chloride: Standard to protect against taste and odour concerns. Note 4.5 for Sulphate: Standard to protect against taste and odour concerns. Note 4.6 for Bromodichloromethane: Standard is specific for total trihalomethanes. Sum of the concentrations of bromodichloromethane (BDCM), dibromochloromethane (DBCM), bromoform (tribromomethane) and chloroform (trichloromethane) must not exceed the standard specified. Note 4.7 for Bromoform: Standard is specific for total trihalomethanes. Sum of the concentrations of bromodichloromethane (BDCM), dibromochloromethane (DBCM), bromoform (tribromomethane) and chloroform (trichloromethane) must not exceed the standard specified. Note 4.8 for Chloroform: Standard is specific for total trihalomethanes. Sum of the concentrations of bromodichloromethane (BDCM), dibromochloromethane (DBCM), bromoform (tribromomethane) and chloroform (trichloromethane) must not exceed the standard specified. Note 4.9 for Dibromochloromethane: Standard is specific for total trihalomethanes. Sum of the concentrations of bromodichloromethane (BDCM), dibromochloromethane (DBCM), bromoform (tribromomethane) and chloroform (trichloromethane) must not exceed the standard specified. Note 4.10 for Total Trihalomethanes (calculated): Standard is specific for total trihalomethanes. Sum of the concentrations of bromodichloromethane (BDCM), dibromochloromethane (DBCM), tribromomethane (bromoform) and trichloromethane (chloroform) must not exceed the standard specified.

SA WW Report 2018 ‐ RA Guideline Notes Page 3 of 5 Salmon Arm Refuse Disposal Site Water Quality Results

Note 4.11 for Aluminum (dissolved): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.12 for Aluminum (total): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.13 for Chromium (dissolved): Analytical results for chromium (all species) in water may be used to demonstrate compliance with the standards. Where the standards cannot be met based on analytical results for chromium (all species), chromium speciation may be necessary. Standard is 50 μg/L for chromium, hexavalent. Standard is 6000 μg/L for chromium, trivalent. The standard of 50 μg/L was used to identify exceedances for dissolved chromium in order to demonstrate compliance with the standards.

Note 4.14 for Chromium (total): Analytical results for chromium (all species) in water may be used to demonstrate compliance with the standards. Where the standards cannot be met based on analytical results for chromium (all species), chromium speciation may be necessary. Standard is 50 μg/L for chromium, hexavalent. Standard is 6000 μg/L for chromium, trivalent. The standard of 50 μg/L was used to identify exceedances for total chromium in order to demonstrate compliance with the standards.

Note 4.15 for Copper (dissolved): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.16 for Copper (total): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.17 for Iron (dissolved): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item A6, A7, A8 or A11 (b) item C1, C2, C3, C4 or C6, (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality Water treatment may be required Note 4.18 for Iron (total): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item A6, A7, A8 or A11 (b) item C1, C2, C3, C4 or C6, (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.19 for Manganese (dissolved): Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item B1 (b) item C1, C3 or C4 (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H3 or H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.20 for Manganese (total):

SA WW Report 2018 ‐ RA Guideline Notes Page 4 of 5 Salmon Arm Refuse Disposal Site Water Quality Results

Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item B1 (b) item C1, C3 or C4 (c) item D2, D3, D5, or D6 (d) item E4, or (e) item H3 or H14. Standard applies to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as item H11 or H20, but only if the site was used for the purpose or activity in conjunction with or as a result of the site also being used for at least one of the purposes or activities set out above. Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required Note 4.21 for Sodium (dissolved): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Note 4.22 for Sodium (total): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Note 4.23 for Zinc (dissolved): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Note 4.24 for Zinc (total): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Note 4.25 for Methyl tert-butyl ether (MTBE): Standard is specific to protection of human health. Standard is derived with TRV protective of adults. Standard may not adequately protect other age groups. Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.26 for Ethylbenzene: Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.27 for Toluene: Standard may not address aesthetic (organoleptic) concerns related to drinking water quality. Water treatment may be required. Note 4.28 for Nitrate (as N): Where nitrate and nitrite are present, total nitrate plus nitrite-nitrogen should not exceed this value Note 4.29 for Nitrate + Nitrite (as N): Where nitrate and nitrite are present, total nitrate plus nitrite-nitrogen should not exceed this value Note 4.30 for Nitrate + Nitrite (as N) (calculated): Where nitrate and nitrite are present, total nitrate plus nitrite-nitrogen should not exceed this value

SA WW Report 2018 ‐ RA Guideline Notes Page 5 of 5 Salmon Arm Refuse Disposal Site Duplicate Water Samples Report Legend for Reports for CSRD Refuse Disposal Sites Water Quality Results

< Less than reported detection limit > Greater than reported upper detection limit >= Greater than or equal to A Absent m asl metres above sea level ND Non-detect. Result is less than lower detection limit. NR No Result NT Not Tested OG Overgrown P Present PR Presumptive RPD Relative Percent Difference RSD Relative Standard Deviation TNTC Too numerous to count

SA RDP Report 2018 ‐ RA Legend Page 1 of 1 Salmon Arm Refuse Disposal Site Replicate Water Samples Report

Sampling Location MW11-06 MW11-06 MW11-06 Date Sampled 04-Sep-18 05-Sep-18 05-Sep-18 Lab Sample ID 8090535-05 8090535-10 8090535-11 Sample Type Normal Duplicate Duplicate Analyte Unit RSD Field Results Conductivity μS/cm 617 617 617 0.0% Depth to Water m 21.49 21.49 21.49 0.0% Dissolved oxygen mg/L 1.41 1.41 1.41 0.0% Dissolved oxygen (percent) % 12.2 12.2 12.2 0.0% Elevation of Piezometric Surface m 505.16 505.16 505.16 0.0% Elevation of Top of Casing m 526.65 526.65 526.65 0.0% Ground Elevation m 525.8 525.8 525.8 0.0% Oxidation reduction potential mV -1 -1 -1 0.0% pH 8.23 8.23 8.23 0.0% Temperature °C 9.2 9.2 9.2 0.0%

Lab Results General Alkalinity (bicarbonate, as CaCO3) mg/L 266 255 261 2.1% Alkalinity (carbonate, as CaCO3) mg/L <1.0 <1.0 <1.0 Alkalinity (hydroxide, as CaCO3) mg/L <1.0 <1.0 <1.0 Alkalinity (phenolphthalein, as CaCO3) mg/L <1.0 <1.0 <1.0 Alkalinity (total, as CaCO3) mg/L 266 255 261 2.1% Bicarbonate Alkalinity (as HCO3) mg/L 325 312 319 2.0% Carbonate Alkalinity (as CO3) mg/L <0.600 <0.600 <0.600 Hydroxide Alkalinity (as OH) mg/L <0.340 <0.340 <0.340 Bromide mg/L <0.10 <0.10 <0.10 Chloride mg/L 9.03 9.08 8.42 4.2% Conductivity μS/cm 596 577 579 1.8% Fluoride mg/L 0.5 Hardness, Total (dissolved as CaCO3) mg/L 285 271 269 3.2% pH 7.92 7.9 7.79 0.9% Sulphate mg/L 37.8 39.1 39.5 2.3% Total organic carbon mg/L 1.27 1.67 1.29 16.0%

Metals Aluminum (dissolved) mg/L <0.0050 <0.0050 <0.0050 Aluminum (total) mg/L 0.0179 0.0195 0.0128 20.9% Antimony (dissolved) mg/L <0.00020 <0.00020 <0.00020 Antimony (total) mg/L <0.00020 <0.00020 <0.00020 Arsenic (dissolved) mg/L <0.00050 <0.00050 <0.00050 Arsenic (total) mg/L <0.00050 <0.00050 <0.00050 Barium (dissolved) mg/L 0.138 0.138 0.137 0.4% Barium (total) mg/L 0.151 0.147 0.142 3.1% Beryllium (dissolved) mg/L <0.00010 <0.00010 <0.00010 Beryllium (total) mg/L <0.00010 <0.00010 <0.00010 Bismuth (dissolved) mg/L <0.00010 <0.00010 <0.00010 Bismuth (total) mg/L <0.00010 <0.00010 <0.00010 Boron (dissolved) mg/L 0.0066 <0.0050 <0.0050 Boron (total) mg/L 0.0072 <0.0050 <0.0050 Cadmium (dissolved) mg/L <0.000010 <0.000010 <0.000010 Cadmium (total) mg/L <0.000010 <0.000010 <0.000010 Calcium (dissolved) mg/L 91.9 87.2 86.1 3.5% Calcium (total) mg/L 97.1 95.6 92.6 2.4% Chromium (dissolved) mg/L <0.00050 <0.00050 <0.00050 Chromium (total) mg/L <0.00050 <0.00050 <0.00050 Cobalt (dissolved) mg/L <0.00010 <0.00010 <0.00010 Cobalt (total) mg/L 0.00011 0.00013 0.00011 9.9% Copper (dissolved) mg/L <0.00040 <0.00040 <0.00040 Copper (total) mg/L 0.00093 <0.00040 <0.00040 Iron (dissolved) mg/L <0.010 <0.010 <0.010 Iron (total) mg/L 2.26 2.25 2.14 3.0% Lead (dissolved) mg/L <0.00020 <0.00020 <0.00020 Lead (total) mg/L <0.00020 <0.00020 <0.00020 Lithium (dissolved) mg/L 0.0061 0.00561 0.00554 5.3% Lithium (total) mg/L 0.00596 0.00571 0.00553 3.8% Magnesium (dissolved) mg/L 13.4 13 13 1.8% Magnesium (total) mg/L 12.8 12.6 12.1 2.9% Manganese (dissolved) mg/L 0.101 0.0795 0.0727 17.5% Manganese (total) mg/L 0.12 0.118 0.114 2.6% Mercury (dissolved) mg/L <0.000040 <0.000040 <0.000040 Mercury (total) mg/L <0.000010 <0.000010 <0.000010 Molybdenum (dissolved) mg/L 0.00376 0.00377 0.00376 0.2% Molybdenum (total) mg/L 0.00381 0.00382 0.00374 1.2% Nickel (dissolved) mg/L <0.00040 <0.00040 <0.00040 Nickel (total) mg/L <0.00040 <0.00040 <0.00040 Selenium (dissolved) mg/L <0.00050 <0.00050 <0.00050 Selenium (total) mg/L <0.00050 <0.00050 <0.00050 Silicon (dissolved, as Si) mg/L 8.8 8.8 8.6 1.3% Silicon (total, as Si) mg/L 9 8.7 8.5 2.9% Silver (dissolved) mg/L <0.000050 <0.000050 <0.000050 Silver (total) mg/L <0.000050 <0.000050 <0.000050 Sodium (dissolved) mg/L 3.89 3.78 3.82 1.5% Sodium (total) mg/L 3.96 3.81 3.7 3.4% Strontium (dissolved) mg/L 1.22 1.23 1.22 0.5% Strontium (total) mg/L 1.27 1.25 1.21 2.5% Sulphur (dissolved) mg/L 13 12.6 12.7 1.6% Sulphur (total) mg/L 14.1 14.5 13.9 2.2% Tellurium (dissolved) mg/L <0.00050 <0.00050 <0.00050 Tellurium (total) mg/L <0.00050 <0.00050 <0.00050 Thallium (dissolved) mg/L <0.000020 <0.000020 <0.000020 Thallium (total) mg/L <0.000020 <0.000020 <0.000020 Thorium (dissolved) mg/L <0.00010 <0.00010 <0.00010

SA RDP Report 2018 ‐ RA Replicate Samples Report Page 1 of 2 Salmon Arm Refuse Disposal Site Replicate Water Samples Report

Sampling Location MW11-06 MW11-06 MW11-06 Date Sampled 04-Sep-18 05-Sep-18 05-Sep-18 Lab Sample ID 8090535-05 8090535-10 8090535-11 Sample Type Normal Duplicate Duplicate Analyte Unit RSD Thorium (total) mg/L <0.00010 <0.00010 <0.00010 Tin (dissolved) mg/L <0.00020 <0.00020 <0.00020 Tin (total) mg/L <0.00020 <0.00020 <0.00020 Titanium (dissolved) mg/L <0.0050 <0.0050 <0.0050 Titanium (total) mg/L <0.0050 <0.0050 <0.0050 Tungsten (dissolved) mg/L <0.0010 <0.0010 <0.0010 Tungsten (total) mg/L <0.0010 <0.0010 <0.0010 Uranium (dissolved) mg/L 0.000061 0.000061 0.000059 1.9% Uranium (total) mg/L 0.000066 0.000061 0.000062 4.2% Vanadium (dissolved) mg/L <0.0010 <0.0010 <0.0010 Vanadium (total) mg/L <0.0010 <0.0010 <0.0010 Zinc (dissolved) mg/L <0.0040 <0.0040 <0.0040 Zinc (total) mg/L <0.0040 <0.0040 <0.0040 Zirconium (dissolved) mg/L <0.00010 <0.00010 <0.00010 Zirconium (total) mg/L <0.00010 <0.00010 <0.00010

Nutrients Ammonia (total, as N) mg/L 0.026 0.03 0.028 7.1% Nitrate (as N) mg/L <0.010 <0.010 <0.010 Nitrate + Nitrite (as N) (calculated) mg/L <0.014 <0.014 <0.014 Nitrite (as N) mg/L <0.010 <0.010 <0.010 Phosphorus (dissolved, by ICPMS/ICPOES) mg/L <0.050 <0.050 <0.050 Phosphorus (total, by ICPMS/ICPOES) mg/L <0.050 <0.050 <0.050 Potassium (dissolved) mg/L 3.36 3.4 3.42 0.9% Potassium (total) mg/L 3.6 3.59 3.46 2.2%

SA RDP Report 2018 ‐ RA Replicate Samples Report Page 2 of 2 Appendix D

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:eJ$>60CN00N6C 2B*+9C$%D)&'$R-E&F'EG$!DH+)&EF0I Page_%8e$0C$'T$0C 17 of 17 CERTIFICATE OF ANALYSIS

REPORTED TO Western Water Associates Ltd 106 - 5145 26th Street Vernon, BC V1T 8G4

ATTENTION Bryer Manwell WORK ORDER 8050835

PO NUMBER RECEIVED / TEMP 2018-05-09 08:00 / 8°C PROJECT CSRD Refuse Disposal - Salmon Arm PR05479 REPORTED 2018-08-02 11:38 PROJECT INFO COC NUMBER B62385

Introduction: CARO Analytical Services is a testing laboratory full of smart, engaged scientists driven to make the world a safer and healthier place. Through our clients' projects we become an essential element for a better world. We employ methods conducted in accordance with recognized professional standards using accepted testing methodologies and quality control efforts. CARO is accredited by the Canadian Association for Laboratories Accreditation (CALA) to ISO 17025:2005 for specific tests listed in the scope of accreditation approved by CALA.

Big Picture Sidekicks We've Got Chemistry Ahead of the Curve

You know that the sample you collected after It’s simple. We figure the more you T h r o u g h r e s e a r c h , r e g u l a t i o n snowshoeing to site, digging 5 meters, and enjoy working with our fun and knowledge, and instrumentation, we racing to get it on a plane so you can submit it engaged team members; the more are your analytical centre for the to the lab for time sensitive results needed to likely you are to give us continued technical knowledge you need, make important and expensive decisions opportunities to support you. BEFORE you need it, so you can stay (whew) is VERY important. We know that too. up to date and in the know.

If you have any questions or concerns, please contact me at [email protected]

Authorized By: Jessica Nobrega, B.Sc. Client Service Manager

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Rev 2017-11-07 Caring About Results, Obviously. PagePage 11 ofof 25 25 TEST RESULTS

REPORTED TO Western Water Associates Ltd WORK ORDER 8050835 PROJECT CSRD Refuse Disposal - Salmon Arm PR05479 REPORTED 2018-08-02 11:38

Analyte Result RL Units Analyzed Qualifier

1W-1b (8050835-01) | Matrix: Water | Sampled: 2018-05-08 08:30

Anions Bromide < 0.10 0.10 mg/L 2018-05-10 Chloride 10.4 0.10 mg/L 2018-05-10 Fluoride 0.27 0.10 mg/L 2018-05-10 Nitrate (as N) 0.415 0.010 mg/L 2018-05-10 Nitrite (as N) < 0.010 0.010 mg/L 2018-05-10 Sulfate 33.1 1.0 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 302 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Bicarbonate (as CaCO3) 302 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 368 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) < 0.020 0.020 mg/L 2018-05-15 Carbon, Total Organic 1.33 0.50 mg/L 2018-05-10 Conductivity (EC) 596 2.0 µS/cm 2018-05-10 pH 7.94 0.10 pH units 2018-05-10 HT2

Calculated Parameters

Hardness, Total (as CaCO3) 317 0.500 mg/L N/A

Dissolved Metals

Aluminum, dissolved 0.0366 0.0050 mg/L 2018-05-16 Antimony, dissolved < 0.00020 0.00020 mg/L 2018-05-16 Arsenic, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Barium, dissolved 0.0567 0.0050 mg/L 2018-05-16 Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 0.0081 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000030 0.000010 mg/L 2018-05-16 Calcium, dissolved 83.8 0.20 mg/L 2018-05-16 Chromium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00018 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00100 0.00040 mg/L 2018-05-16 Iron, dissolved 0.563 0.010 mg/L 2018-05-16 Lead, dissolved < 0.00020 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.00774 0.00010 mg/L 2018-05-16 Magnesium, dissolved 26.2 0.010 mg/L 2018-05-16 Manganese, dissolved 0.0424 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14

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Analyte Result RL Units Analyzed Qualifier

1W-1b (8050835-01) | Matrix: Water | Sampled: 2018-05-08 08:30, Continued

Dissolved Metals, Continued

Molybdenum, dissolved 0.00336 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.00074 0.00040 mg/L 2018-05-16 Phosphorus, dissolved < 0.050 0.050 mg/L 2018-05-16 Potassium, dissolved 4.03 0.10 mg/L 2018-05-16 Selenium, dissolved 0.00608 0.00050 mg/L 2018-05-16 Silicon, dissolved 6.7 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 5.18 0.10 mg/L 2018-05-16 Strontium, dissolved 0.756 0.0010 mg/L 2018-05-16 Sulfur, dissolved 10.0 3.0 mg/L 2018-05-16 Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved < 0.00020 0.00020 mg/L 2018-05-16 Titanium, dissolved < 0.0050 0.0050 mg/L 2018-05-16 Tungsten, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.00711 0.000020 mg/L 2018-05-16 Vanadium, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0729 0.0040 mg/L 2018-05-16 Zirconium, dissolved < 0.00010 0.00010 mg/L 2018-05-16

Volatile Organic Compounds (VOC) Benzene < 0.5 0.5 µg/L 2018-05-12 Bromodichloromethane < 1.0 1.0 µg/L 2018-05-12 Bromoform < 1.0 1.0 µg/L 2018-05-12 Carbon tetrachloride < 0.5 0.5 µg/L 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L 2018-05-12 Chloroethane < 2.0 2.0 µg/L 2018-05-12 Chloroform < 1.0 1.0 µg/L 2018-05-12 Dibromochloromethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dibromoethane < 0.3 0.3 µg/L 2018-05-12 Dibromomethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichlorobenzene < 0.5 0.5 µg/L 2018-05-12 1,3-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,4-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 cis-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 trans-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 Dichloromethane < 3.0 3.0 µg/L 2018-05-12 1,2-Dichloropropane < 1.0 1.0 µg/L 2018-05-12 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L 2018-05-12

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Analyte Result RL Units Analyzed Qualifier

1W-1b (8050835-01) | Matrix: Water | Sampled: 2018-05-08 08:30, Continued

Volatile Organic Compounds (VOC), Continued Ethylbenzene < 1.0 1.0 µg/L 2018-05-12 Methyl tert-butyl ether < 1.0 1.0 µg/L 2018-05-12 Styrene < 1.0 1.0 µg/L 2018-05-12 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L 2018-05-12 Tetrachloroethylene < 1.0 1.0 µg/L 2018-05-12 Toluene < 1.0 1.0 µg/L 2018-05-12 1,1,1-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1,2-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 Trichloroethylene < 1.0 1.0 µg/L 2018-05-12 Trichlorofluoromethane < 1.0 1.0 µg/L 2018-05-12 Vinyl chloride < 1.0 1.0 µg/L 2018-05-12 Xylenes (total) < 2.0 2.0 µg/L 2018-05-12 Surrogate: Toluene-d8 71 70-130 % 2018-05-12 Surrogate: 4-Bromofluorobenzene 72 70-130 % 2018-05-12 Surrogate: 1,4-Dichlorobenzene-d4 67 70-130 % 2018-05-12 S02

MW95-01 (8050835-02) | Matrix: Wastewater | Sampled: 2018-05-08 11:30

Anions Bromide < 0.10 0.10 mg/L 2018-05-10 Chloride 31.2 0.10 mg/L 2018-05-10 Fluoride 0.12 0.10 mg/L 2018-05-10 Nitrate (as N) 15.7 0.010 mg/L 2018-05-10 Nitrite (as N) 0.044 0.010 mg/L 2018-05-10 Sulfate 157 1.0 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 734 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Bicarbonate (as CaCO3) 734 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 896 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) 0.061 0.020 mg/L 2018-05-15 Carbon, Total Organic 14.0 0.50 mg/L 2018-05-10 Conductivity (EC) 1640 2.0 µS/cm 2018-05-10 pH 7.38 0.10 pH units 2018-05-10 HT2

Calculated Parameters

Hardness, Total (as CaCO3) 966 0.500 mg/L N/A

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Analyte Result RL Units Analyzed Qualifier

MW95-01 (8050835-02) | Matrix: Wastewater | Sampled: 2018-05-08 11:30, Continued

Dissolved Metals

Aluminum, dissolved 0.0318 0.0050 mg/L 2018-05-16 Antimony, dissolved 0.00146 0.00020 mg/L 2018-05-16 Arsenic, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Barium, dissolved 0.211 0.0050 mg/L 2018-05-16 Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 0.276 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000049 0.000010 mg/L 2018-05-16 Calcium, dissolved 202 0.20 mg/L 2018-05-16 Chromium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00084 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00401 0.00040 mg/L 2018-05-16 Iron, dissolved 0.050 0.010 mg/L 2018-05-16 Lead, dissolved 0.00026 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.0213 0.00010 mg/L 2018-05-16 Magnesium, dissolved 112 0.010 mg/L 2018-05-16 Manganese, dissolved 0.0995 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14 Molybdenum, dissolved 0.00194 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.00781 0.00040 mg/L 2018-05-16 Phosphorus, dissolved 0.060 0.050 mg/L 2018-05-16 Potassium, dissolved 10.7 0.10 mg/L 2018-05-16 Selenium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Silicon, dissolved 15.6 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 31.8 0.10 mg/L 2018-05-16 Strontium, dissolved 1.70 0.0010 mg/L 2018-05-16 Sulfur, dissolved 60.9 3.0 mg/L 2018-05-16 Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved 0.00054 0.00020 mg/L 2018-05-16 Titanium, dissolved < 0.0050 0.0050 mg/L 2018-05-16 Tungsten, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.0389 0.000020 mg/L 2018-05-16 Vanadium, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0288 0.0040 mg/L 2018-05-16 Zirconium, dissolved 0.00023 0.00010 mg/L 2018-05-16

Volatile Organic Compounds (VOC) Benzene < 0.5 0.5 µg/L 2018-05-12 Bromodichloromethane < 1.0 1.0 µg/L 2018-05-12 Bromoform < 1.0 1.0 µg/L 2018-05-12

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Analyte Result RL Units Analyzed Qualifier

MW95-01 (8050835-02) | Matrix: Wastewater | Sampled: 2018-05-08 11:30, Continued

Volatile Organic Compounds (VOC), Continued Carbon tetrachloride < 0.5 0.5 µg/L 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L 2018-05-12 Chloroethane < 2.0 2.0 µg/L 2018-05-12 Chloroform < 1.0 1.0 µg/L 2018-05-12 Dibromochloromethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dibromoethane < 0.3 0.3 µg/L 2018-05-12 Dibromomethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichlorobenzene < 0.5 0.5 µg/L 2018-05-12 1,3-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,4-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 cis-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 trans-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 Dichloromethane < 3.0 3.0 µg/L 2018-05-12 1,2-Dichloropropane < 1.0 1.0 µg/L 2018-05-12 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L 2018-05-12 Ethylbenzene < 1.0 1.0 µg/L 2018-05-12 Methyl tert-butyl ether < 1.0 1.0 µg/L 2018-05-12 Styrene < 1.0 1.0 µg/L 2018-05-12 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L 2018-05-12 Tetrachloroethylene < 1.0 1.0 µg/L 2018-05-12 Toluene < 1.0 1.0 µg/L 2018-05-12 1,1,1-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1,2-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 Trichloroethylene < 1.0 1.0 µg/L 2018-05-12 Trichlorofluoromethane < 1.0 1.0 µg/L 2018-05-12 Vinyl chloride < 1.0 1.0 µg/L 2018-05-12 Xylenes (total) < 2.0 2.0 µg/L 2018-05-12 Surrogate: Toluene-d8 76 70-130 % 2018-05-12 Surrogate: 4-Bromofluorobenzene 76 70-130 % 2018-05-12 Surrogate: 1,4-Dichlorobenzene-d4 72 70-130 % 2018-05-12

MW95-02 (8050835-03) | Matrix: Wastewater | Sampled: 2018-05-08 12:30

Anions

Bromide 0.16 0.10 mg/L 2018-05-10 Chloride 38.2 0.10 mg/L 2018-05-10 Fluoride 0.33 0.10 mg/L 2018-05-10 Nitrate (as N) 0.077 0.010 mg/L 2018-05-10 Nitrite (as N) < 0.010 0.010 mg/L 2018-05-10

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Analyte Result RL Units Analyzed Qualifier

MW95-02 (8050835-03) | Matrix: Wastewater | Sampled: 2018-05-08 12:30, Continued

Anions, Continued

Sulfate 31.2 1.0 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 427 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Bicarbonate (as CaCO3) 427 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 521 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) 0.201 0.020 mg/L 2018-05-15 Carbon, Total Organic 8.60 0.50 mg/L 2018-05-10 Conductivity (EC) 898 2.0 µS/cm 2018-05-10 pH 7.57 0.10 pH units 2018-05-10 HT2

Calculated Parameters

Hardness, Total (as CaCO3) 490 0.500 mg/L N/A

Dissolved Metals

Aluminum, dissolved 0.0376 0.0050 mg/L 2018-05-16 Antimony, dissolved 0.00120 0.00020 mg/L 2018-05-16 Arsenic, dissolved 0.0175 0.00050 mg/L 2018-05-16 Barium, dissolved 0.153 0.0050 mg/L 2018-05-16 Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 0.241 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000012 0.000010 mg/L 2018-05-16 Calcium, dissolved 136 0.20 mg/L 2018-05-16 Chromium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00203 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00043 0.00040 mg/L 2018-05-16 Iron, dissolved 10.9 0.010 mg/L 2018-05-16 Lead, dissolved 0.00024 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.0108 0.00010 mg/L 2018-05-16 Magnesium, dissolved 36.6 0.010 mg/L 2018-05-16 Manganese, dissolved 1.64 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14 Molybdenum, dissolved 0.00396 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.0101 0.00040 mg/L 2018-05-16 Phosphorus, dissolved < 0.050 0.050 mg/L 2018-05-16 Potassium, dissolved 6.16 0.10 mg/L 2018-05-16 Selenium, dissolved < 0.00050 0.00050 mg/L 2018-05-16

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Analyte Result RL Units Analyzed Qualifier

MW95-02 (8050835-03) | Matrix: Wastewater | Sampled: 2018-05-08 12:30, Continued

Dissolved Metals, Continued

Silicon, dissolved 16.3 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 35.5 0.10 mg/L 2018-05-16 Strontium, dissolved 0.939 0.0010 mg/L 2018-05-16 Sulfur, dissolved 10.2 3.0 mg/L 2018-05-16 Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved 0.00023 0.00020 mg/L 2018-05-16 Titanium, dissolved < 0.0050 0.0050 mg/L 2018-05-16 Tungsten, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.00741 0.000020 mg/L 2018-05-16 Vanadium, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0098 0.0040 mg/L 2018-05-16 Zirconium, dissolved 0.00018 0.00010 mg/L 2018-05-16

Volatile Organic Compounds (VOC) Benzene < 0.5 0.5 µg/L 2018-05-12 Bromodichloromethane < 1.0 1.0 µg/L 2018-05-12 Bromoform < 1.0 1.0 µg/L 2018-05-12 Carbon tetrachloride < 0.5 0.5 µg/L 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L 2018-05-12 Chloroethane < 2.0 2.0 µg/L 2018-05-12 Chloroform < 1.0 1.0 µg/L 2018-05-12 Dibromochloromethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dibromoethane < 0.3 0.3 µg/L 2018-05-12 Dibromomethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichlorobenzene < 0.5 0.5 µg/L 2018-05-12 1,3-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,4-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 cis-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 trans-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 Dichloromethane < 3.0 3.0 µg/L 2018-05-12 1,2-Dichloropropane < 1.0 1.0 µg/L 2018-05-12 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L 2018-05-12 Ethylbenzene < 1.0 1.0 µg/L 2018-05-12 Methyl tert-butyl ether < 1.0 1.0 µg/L 2018-05-12 Styrene < 1.0 1.0 µg/L 2018-05-12 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L 2018-05-12 Tetrachloroethylene < 1.0 1.0 µg/L 2018-05-12

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Analyte Result RL Units Analyzed Qualifier

MW95-02 (8050835-03) | Matrix: Wastewater | Sampled: 2018-05-08 12:30, Continued

Volatile Organic Compounds (VOC), Continued Toluene < 1.0 1.0 µg/L 2018-05-12 1,1,1-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1,2-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 Trichloroethylene < 1.0 1.0 µg/L 2018-05-12 Trichlorofluoromethane < 1.0 1.0 µg/L 2018-05-12 Vinyl chloride < 1.0 1.0 µg/L 2018-05-12 Xylenes (total) < 2.0 2.0 µg/L 2018-05-12 Surrogate: Toluene-d8 80 70-130 % 2018-05-12 Surrogate: 4-Bromofluorobenzene 86 70-130 % 2018-05-12 S02 Surrogate: 1,4-Dichlorobenzene-d4 86 70-130 % 2018-05-12

MW95-03 (8050835-04) | Matrix: Wastewater | Sampled: 2018-05-08 13:30

Anions Bromide < 0.10 0.10 mg/L 2018-05-10 Chloride 8.67 0.10 mg/L 2018-05-10 Fluoride 0.17 0.10 mg/L 2018-05-10 Nitrate (as N) 2.84 0.010 mg/L 2018-05-10 Nitrite (as N) 0.189 0.010 mg/L 2018-05-10 Sulfate 63.2 1.0 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 530 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Bicarbonate (as CaCO3) 530 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 647 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) 0.046 0.020 mg/L 2018-05-15 Carbon, Total Organic 2.88 0.50 mg/L 2018-05-10 Conductivity (EC) 1040 2.0 µS/cm 2018-05-10 pH 7.51 0.10 pH units 2018-05-10 HT2

Calculated Parameters

Hardness, Total (as CaCO3) 646 0.500 mg/L N/A

Dissolved Metals

Aluminum, dissolved 0.0156 0.0050 mg/L 2018-05-16 Antimony, dissolved 0.00126 0.00020 mg/L 2018-05-16 Arsenic, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Barium, dissolved 0.113 0.0050 mg/L 2018-05-16

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Analyte Result RL Units Analyzed Qualifier

MW95-03 (8050835-04) | Matrix: Wastewater | Sampled: 2018-05-08 13:30, Continued

Dissolved Metals, Continued Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 0.163 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000042 0.000010 mg/L 2018-05-16 Calcium, dissolved 198 0.20 mg/L 2018-05-16 Chromium, dissolved 0.00466 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00018 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00219 0.00040 mg/L 2018-05-16 Iron, dissolved 0.041 0.010 mg/L 2018-05-16 Lead, dissolved 0.00029 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.0130 0.00010 mg/L 2018-05-16 Magnesium, dissolved 37.0 0.010 mg/L 2018-05-16 Manganese, dissolved 0.0148 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14 Molybdenum, dissolved 0.00022 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.00182 0.00040 mg/L 2018-05-16 Phosphorus, dissolved < 0.050 0.050 mg/L 2018-05-16 Potassium, dissolved 5.33 0.10 mg/L 2018-05-16 Selenium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Silicon, dissolved 20.0 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 9.14 0.10 mg/L 2018-05-16 Strontium, dissolved 0.857 0.0010 mg/L 2018-05-16 Sulfur, dissolved 22.9 3.0 mg/L 2018-05-16 Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved 0.00022 0.00020 mg/L 2018-05-16 Titanium, dissolved < 0.0050 0.0050 mg/L 2018-05-16 Tungsten, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.00473 0.000020 mg/L 2018-05-16 Vanadium, dissolved 0.0014 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0072 0.0040 mg/L 2018-05-16 Zirconium, dissolved 0.00019 0.00010 mg/L 2018-05-16

Volatile Organic Compounds (VOC) Benzene < 0.5 0.5 µg/L 2018-05-12 Bromodichloromethane < 1.0 1.0 µg/L 2018-05-12 Bromoform < 1.0 1.0 µg/L 2018-05-12 Carbon tetrachloride < 0.5 0.5 µg/L 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L 2018-05-12 Chloroethane < 2.0 2.0 µg/L 2018-05-12 Chloroform < 1.0 1.0 µg/L 2018-05-12

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Analyte Result RL Units Analyzed Qualifier

MW95-03 (8050835-04) | Matrix: Wastewater | Sampled: 2018-05-08 13:30, Continued

Volatile Organic Compounds (VOC), Continued Dibromochloromethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dibromoethane < 0.3 0.3 µg/L 2018-05-12 Dibromomethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichlorobenzene < 0.5 0.5 µg/L 2018-05-12 1,3-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,4-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 cis-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 trans-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 Dichloromethane < 3.0 3.0 µg/L 2018-05-12 1,2-Dichloropropane < 1.0 1.0 µg/L 2018-05-12 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L 2018-05-12 Ethylbenzene < 1.0 1.0 µg/L 2018-05-12 Methyl tert-butyl ether < 1.0 1.0 µg/L 2018-05-12 Styrene < 1.0 1.0 µg/L 2018-05-12 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L 2018-05-12 Tetrachloroethylene < 1.0 1.0 µg/L 2018-05-12 Toluene < 1.0 1.0 µg/L 2018-05-12 1,1,1-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1,2-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 Trichloroethylene < 1.0 1.0 µg/L 2018-05-12 Trichlorofluoromethane < 1.0 1.0 µg/L 2018-05-12 Vinyl chloride < 1.0 1.0 µg/L 2018-05-12 Xylenes (total) < 2.0 2.0 µg/L 2018-05-12 Surrogate: Toluene-d8 84 70-130 % 2018-05-12 Surrogate: 4-Bromofluorobenzene 91 70-130 % 2018-05-12 S02 Surrogate: 1,4-Dichlorobenzene-d4 95 70-130 % 2018-05-12

MW11-06 (8050835-05) | Matrix: Water | Sampled: 2018-05-08 14:30

Anions Bromide < 0.10 0.10 mg/L 2018-05-10 Chloride 15.8 0.10 mg/L 2018-05-10 Fluoride 0.49 0.10 mg/L 2018-05-10 Nitrate (as N) 3.56 0.010 mg/L 2018-05-10 Nitrite (as N) < 0.010 0.010 mg/L 2018-05-10 Sulfate 50.2 1.0 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 270 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Rev 2017-11-07 Caring About Results, Obviously. Page 1 111 of of 25 25 TEST RESULTS

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Analyte Result RL Units Analyzed Qualifier

MW11-06 (8050835-05) | Matrix: Water | Sampled: 2018-05-08 14:30, Continued

General Parameters, Continued

Alkalinity, Bicarbonate (as CaCO3) 270 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 329 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) 0.044 0.020 mg/L 2018-05-15 Carbon, Total Organic 7.21 0.50 mg/L 2018-05-10 Conductivity (EC) 642 2.0 µS/cm 2018-05-10 pH 7.60 0.10 pH units 2018-05-10 HT2

Calculated Parameters

Hardness, Total (as CaCO3) 338 0.500 mg/L N/A

Dissolved Metals

Aluminum, dissolved 0.135 0.0050 mg/L 2018-05-16 Antimony, dissolved 0.00095 0.00020 mg/L 2018-05-16 Arsenic, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Barium, dissolved 0.140 0.0050 mg/L 2018-05-16 Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 0.0585 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000039 0.000010 mg/L 2018-05-16 Calcium, dissolved 110 0.20 mg/L 2018-05-16 Chromium, dissolved 0.00054 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00134 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00851 0.00040 mg/L 2018-05-16 Iron, dissolved 1.38 0.010 mg/L 2018-05-16 Lead, dissolved 0.00053 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.00654 0.00010 mg/L 2018-05-16 Magnesium, dissolved 15.3 0.010 mg/L 2018-05-16 Manganese, dissolved 0.166 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14 Molybdenum, dissolved 0.00462 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.00364 0.00040 mg/L 2018-05-16 Phosphorus, dissolved < 0.050 0.050 mg/L 2018-05-16 Potassium, dissolved 4.24 0.10 mg/L 2018-05-16 Selenium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Silicon, dissolved 9.2 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 10.3 0.10 mg/L 2018-05-16 Strontium, dissolved 1.26 0.0010 mg/L 2018-05-16 Sulfur, dissolved 21.5 3.0 mg/L 2018-05-16

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Analyte Result RL Units Analyzed Qualifier

MW11-06 (8050835-05) | Matrix: Water | Sampled: 2018-05-08 14:30, Continued

Dissolved Metals, Continued Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved 0.00037 0.00020 mg/L 2018-05-16 Titanium, dissolved 0.0094 0.0050 mg/L 2018-05-16 Tungsten, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.000249 0.000020 mg/L 2018-05-16 Vanadium, dissolved < 0.0010 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0136 0.0040 mg/L 2018-05-16 Zirconium, dissolved 0.00014 0.00010 mg/L 2018-05-16

Volatile Organic Compounds (VOC) Benzene < 0.5 0.5 µg/L 2018-05-12 Bromodichloromethane < 1.0 1.0 µg/L 2018-05-12 Bromoform < 1.0 1.0 µg/L 2018-05-12 Carbon tetrachloride < 0.5 0.5 µg/L 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L 2018-05-12 Chloroethane < 2.0 2.0 µg/L 2018-05-12 Chloroform < 1.0 1.0 µg/L 2018-05-12 Dibromochloromethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dibromoethane < 0.3 0.3 µg/L 2018-05-12 Dibromomethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichlorobenzene < 0.5 0.5 µg/L 2018-05-12 1,3-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,4-Dichlorobenzene < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,2-Dichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 cis-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 trans-1,2-Dichloroethylene < 1.0 1.0 µg/L 2018-05-12 Dichloromethane < 3.0 3.0 µg/L 2018-05-12 1,2-Dichloropropane < 1.0 1.0 µg/L 2018-05-12 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L 2018-05-12 Ethylbenzene < 1.0 1.0 µg/L 2018-05-12 Methyl tert-butyl ether < 1.0 1.0 µg/L 2018-05-12 Styrene < 1.0 1.0 µg/L 2018-05-12 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L 2018-05-12 Tetrachloroethylene < 1.0 1.0 µg/L 2018-05-12 Toluene < 1.0 1.0 µg/L 2018-05-12 1,1,1-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 1,1,2-Trichloroethane < 1.0 1.0 µg/L 2018-05-12 Trichloroethylene < 1.0 1.0 µg/L 2018-05-12 Trichlorofluoromethane < 1.0 1.0 µg/L 2018-05-12

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Analyte Result RL Units Analyzed Qualifier

MW11-06 (8050835-05) | Matrix: Water | Sampled: 2018-05-08 14:30, Continued

Volatile Organic Compounds (VOC), Continued Vinyl chloride < 1.0 1.0 µg/L 2018-05-12 Xylenes (total) < 2.0 2.0 µg/L 2018-05-12 Surrogate: Toluene-d8 76 70-130 % 2018-05-12 Surrogate: 4-Bromofluorobenzene 77 70-130 % 2018-05-12 Surrogate: 1,4-Dichlorobenzene-d4 74 70-130 % 2018-05-12

Leachate Pond (LP-1) (8050835-06) | Matrix: Water | Sampled: 2018-05-08 15:30

Anions

Chloride 335 0.10 mg/L 2018-05-10 Fluoride < 1.00 0.10 mg/L 2018-05-10 Nitrate (as N) 2.38 0.010 mg/L 2018-05-10 Nitrite (as N) 1.47 0.010 mg/L 2018-05-10

General Parameters

Alkalinity, Total (as CaCO3) 1060 1.0 mg/L 2018-05-10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Bicarbonate (as CaCO3) 1060 1.0 mg/L 2018-05-10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L 2018-05-10 Bicarbonate (HCO3) 1300 1.22 mg/L N/A Carbonate (CO3) < 0.600 0.600 mg/L N/A Hydroxide (OH) < 0.340 0.340 mg/L N/A Ammonia, Total (as N) 109 0.020 mg/L 2018-05-15 BOD, 5-day 13.0 2.0 mg/L 2018-05-14 Carbon, Total Organic 83.9 0.50 mg/L 2018-05-10 Chemical Oxygen Demand 255 20 mg/L 2018-05-10 Conductivity (EC) 3030 2.0 µS/cm 2018-05-10 Nitrogen, Total Kjeldahl 130 0.050 mg/L 2018-05-13 pH 8.19 0.10 pH units 2018-05-10 HT2 Solids, Total Suspended 19.5 2.0 mg/L 2018-05-10

Calculated Parameters

Hardness, Total (as CaCO3) 453 0.500 mg/L N/A Nitrate+Nitrite (as N) 3.84 0.100 mg/L N/A Nitrogen, Total 133 20.0 mg/L N/A

Dissolved Metals

Aluminum, dissolved 0.0227 0.0050 mg/L 2018-05-16 Antimony, dissolved 0.00155 0.00020 mg/L 2018-05-16 Arsenic, dissolved 0.0112 0.00050 mg/L 2018-05-16 Barium, dissolved 0.257 0.0050 mg/L 2018-05-16 Beryllium, dissolved < 0.00010 0.00010 mg/L 2018-05-16

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Analyte Result RL Units Analyzed Qualifier

Leachate Pond (LP-1) (8050835-06) | Matrix: Water | Sampled: 2018-05-08 15:30, Continued

Dissolved Metals, Continued Bismuth, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Boron, dissolved 4.62 0.0050 mg/L 2018-05-16 Cadmium, dissolved 0.000050 0.000010 mg/L 2018-05-16 Calcium, dissolved 85.9 0.20 mg/L 2018-05-16 Chromium, dissolved 0.0141 0.00050 mg/L 2018-05-16 Cobalt, dissolved 0.00971 0.00010 mg/L 2018-05-16 Copper, dissolved 0.00551 0.00040 mg/L 2018-05-16 Iron, dissolved 0.205 0.010 mg/L 2018-05-16 Lead, dissolved < 0.00020 0.00020 mg/L 2018-05-16 Lithium, dissolved 0.0295 0.00010 mg/L 2018-05-16 Magnesium, dissolved 57.7 0.010 mg/L 2018-05-16 Manganese, dissolved 0.118 0.00020 mg/L 2018-05-16 Mercury, dissolved < 0.000010 0.000010 mg/L 2018-05-14 Molybdenum, dissolved 0.00348 0.00010 mg/L 2018-05-16 Nickel, dissolved 0.0678 0.00040 mg/L 2018-05-16 Phosphorus, dissolved 0.316 0.050 mg/L 2018-05-16 Potassium, dissolved 128 0.10 mg/L 2018-05-16 Selenium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Silicon, dissolved 12.4 1.0 mg/L 2018-05-16 Silver, dissolved < 0.000050 0.000050 mg/L 2018-05-16 Sodium, dissolved 341 0.10 mg/L 2018-05-17 Strontium, dissolved 1.27 0.0010 mg/L 2018-05-16 Sulfur, dissolved 22.2 3.0 mg/L 2018-05-16 Tellurium, dissolved < 0.00050 0.00050 mg/L 2018-05-16 Thallium, dissolved < 0.000020 0.000020 mg/L 2018-05-16 Thorium, dissolved < 0.00010 0.00010 mg/L 2018-05-16 Tin, dissolved 0.00132 0.00020 mg/L 2018-05-16 Titanium, dissolved 0.0063 0.0050 mg/L 2018-05-16 Tungsten, dissolved 0.0014 0.0010 mg/L 2018-05-16 Uranium, dissolved 0.00244 0.000020 mg/L 2018-05-16 Vanadium, dissolved 0.0068 0.0010 mg/L 2018-05-16 Zinc, dissolved 0.0233 0.0040 mg/L 2018-05-16 Zirconium, dissolved 0.0126 0.00010 mg/L 2018-05-16

Sample Qualifiers: HT2 The 15 minute recommended holding time (from sampling to analysis) has been exceeded - field analysis is recommended. S02 Surrogate recovery outside of control limits. Data accepted based on acceptable recovery of other surrogates.

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Analysis Description Method Ref. Technique Location

Alkalinity in Water SM 2320 B* (2011) Titration with H2SO4 Kelowna Ammonia, Total in Water SM 4500-NH3 G* Automated Colorimetry (Phenate) Kelowna (2011) Anions in Water SM 4110 B (2011) Ion Chromatography Kelowna Biochemical Oxygen Demand in SM 5210 B (2011) Dissolved Oxygen Meter Kelowna Water Carbon, Total Organic in Water SM 5310 B (2011) Combustion, Infrared CO2 Detection Kelowna Chemical Oxygen Demand in SM 5220 D* (2011) Closed Reflux, Colorimetry Kelowna Water Conductivity in Water SM 2510 B (2011) Conductivity Meter Kelowna Dissolved Metals in Water EPA 200.8 / EPA 6020B 0.45 µm Filtration / Inductively Coupled Plasma-Mass Richmond Spectroscopy (ICP-MS) Hardness in Water SM 2340 B (2011) Calculation: 2.497 [diss Ca] + 4.118 [diss Mg] N/A Mercury, dissolved in Water EPA 245.7* BrCl2 Oxidation / Cold Vapor Atomic Fluorescence Richmond Spectrometry (CVAFS) Nitrogen, Total Kjeldahl in Water SM 4500-Norg D* Block Digestion and Flow Injection Analysis Kelowna (2011) pH in Water SM 4500-H+ B (2011) Electrometry Kelowna Solids, Total Suspended in SM 2540 D* (2011) Gravimetry (Dried at 103-105C) Kelowna Water Volatile Organic Compounds in EPA 5030B / EPA Purge&Trap / GC-MSD (SIM) Richmond Water 8260D

Note: An asterisk in the Method Reference indicates that the CARO method has been modified from the reference method

Glossary of Terms: RL Reporting Limit (default) < Less than the specified Reporting Limit (RL) - the actual RL may be higher than the default RL due to various factors mg/L Milligrams per litre pH units pH < 7 = acidic, ph > 7 = basic µg/L Micrograms per litre µS/cm Microsiemens per centimetre EPA United States Environmental Protection Agency Test Methods SM Standard Methods for the Examination of Water and Wastewater, American Public Health Association

General Comments: The results in this report apply to the samples analyzed in accordance with the Chain of Custody document. This analytical report must be reproduced in its entirety. CARO is not responsible for any loss or damage resulting directly or indirectly from error or omission in the conduct of testing. Liability is limited to the cost of analysis. Samples will be disposed of 30 days after the test report has been issued unless otherwise agreed to in writing.

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The following section displays the quality control (QC) data that is associated with your sample data. Groups of samples are prepared in “batches” and analyzed in conjunction with QC samples that ensure your data is of the highest quality. Common QC types include: • Method Blank (Blk): A blank sample that undergoes sample processing identical to that carried out for the test samples. Method blank results are used to assess contamination from the laboratory environment and reagents. • Duplicate (Dup): An additional or second portion of a randomly selected sample in the analytical run carried through the entire analytical process. Duplicates provide a measure of the analytical method's precision (reproducibility). • Blank Spike (BS): A sample of known concentration which undergoes processing identical to that carried out for test samples, a l so referred to as a laboratory control sample (LCS). Blank spikes provide a measure of the analytical method's accuracy. • Matrix Spike (MS): A second aliquot of sample is fortified with with a known concentration of target analytes and carried through the entire analytical process. Matrix spikes evaluate potential matrix effects that may affect the analyte recovery. • Reference Material (SRM): A homogenous material of similar matrix to the samples, certified for the parameter(s) listed. Reference Materials ensure that the analytical process is adequate to achieve acceptable recoveries of the parameter(s) tested. Each QC type is analyzed at a 5-10% frequency, i.e. one blank/duplicate/spike for every 10-20 samples. For all types of QC, the specified recovery (% Rec) and relative percent difference (RPD) limits are derived from long-term method performance averages and/or prescribed by the reference method.

Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Anions, Batch B8E0750

Blank (B8E0750-BLK1) Prepared: 2018-05-09, Analyzed: 2018-05-09 Bromide < 0.10 0.10 mg/L Chloride < 0.10 0.10 mg/L Fluoride < 0.10 0.10 mg/L Nitrate (as N) < 0.010 0.010 mg/L Nitrite (as N) < 0.010 0.010 mg/L Sulfate < 1.0 1.0 mg/L

Blank (B8E0750-BLK2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Bromide < 0.10 0.10 mg/L Chloride < 0.10 0.10 mg/L Fluoride < 0.10 0.10 mg/L Nitrate (as N) < 0.010 0.010 mg/L Nitrite (as N) < 0.010 0.010 mg/L Sulfate < 1.0 1.0 mg/L

LCS (B8E0750-BS1) Prepared: 2018-05-09, Analyzed: 2018-05-09 Bromide 4.01 0.10 mg/L 4.00 100 85-115 Chloride 15.9 0.10 mg/L 16.0 99 90-110 Fluoride 3.85 0.10 mg/L 4.00 96 88-108 Nitrate (as N) 4.01 0.010 mg/L 4.00 100 93-108 Nitrite (as N) 2.05 0.010 mg/L 2.00 103 85-114 Sulfate 16.2 1.0 mg/L 16.0 101 91-109

LCS (B8E0750-BS2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Bromide 4.02 0.10 mg/L 4.00 100 85-115 Chloride 15.9 0.10 mg/L 16.0 99 90-110 Fluoride 3.88 0.10 mg/L 4.00 97 88-108 Nitrate (as N) 4.02 0.010 mg/L 4.00 101 93-108 Nitrite (as N) 2.03 0.010 mg/L 2.00 102 85-114 Sulfate 16.2 1.0 mg/L 16.0 101 91-109

Anions, Batch B8E0803

Blank (B8E0803-BLK1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chloride < 0.10 0.10 mg/L

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Anions, Batch B8E0803, Continued

Blank (B8E0803-BLK1), Continued Prepared: 2018-05-10, Analyzed: 2018-05-10 Fluoride < 0.10 0.10 mg/L Nitrate (as N) < 0.010 0.010 mg/L Nitrite (as N) < 0.010 0.010 mg/L

Blank (B8E0803-BLK2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chloride < 0.10 0.10 mg/L Fluoride < 0.10 0.10 mg/L Nitrate (as N) < 0.010 0.010 mg/L Nitrite (as N) < 0.010 0.010 mg/L

LCS (B8E0803-BS1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chloride 16.0 0.10 mg/L 16.0 100 90-110 Fluoride 4.07 0.10 mg/L 4.00 102 88-108 Nitrate (as N) 4.05 0.010 mg/L 4.00 101 93-108 Nitrite (as N) 2.01 0.010 mg/L 2.00 100 85-114

LCS (B8E0803-BS2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chloride 16.0 0.10 mg/L 16.0 100 90-110 Fluoride 3.93 0.10 mg/L 4.00 98 88-108 Nitrate (as N) 4.02 0.010 mg/L 4.00 101 93-108 Nitrite (as N) 2.02 0.010 mg/L 2.00 101 85-114

Dissolved Metals, Batch B8E1081

Blank (B8E1081-BLK1) Prepared: 2018-05-14, Analyzed: 2018-05-14 Mercury, dissolved < 0.000010 0.000010 mg/L

Duplicate (B8E1081-DUP1) Source: 8050835-01 Prepared: 2018-05-14, Analyzed: 2018-05-14 Mercury, dissolved < 0.000010 0.000010 mg/L < 0.000010 20

Matrix Spike (B8E1081-MS1) Source: 8050835-03 Prepared: 2018-05-14, Analyzed: 2018-05-14 Mercury, dissolved 0.000207 0.000010 mg/L 0.000250 < 0.000010 83 70-130

Reference (B8E1081-SRM1) Prepared: 2018-05-14, Analyzed: 2018-05-14 Mercury, dissolved 0.00493 0.000010 mg/L 0.00489 101 80-120

Dissolved Metals, Batch B8E1115

Blank (B8E1115-BLK1) Prepared: 2018-05-16, Analyzed: 2018-05-16 Aluminum, dissolved < 0.0050 0.0050 mg/L Antimony, dissolved < 0.00020 0.00020 mg/L Arsenic, dissolved < 0.00050 0.00050 mg/L Barium, dissolved < 0.0050 0.0050 mg/L Beryllium, dissolved < 0.00010 0.00010 mg/L Bismuth, dissolved < 0.00010 0.00010 mg/L Boron, dissolved < 0.0050 0.0050 mg/L Cadmium, dissolved < 0.000010 0.000010 mg/L Calcium, dissolved < 0.20 0.20 mg/L Chromium, dissolved < 0.00050 0.00050 mg/L Cobalt, dissolved < 0.00010 0.00010 mg/L Copper, dissolved < 0.00040 0.00040 mg/L Iron, dissolved < 0.010 0.010 mg/L Lead, dissolved < 0.00020 0.00020 mg/L Lithium, dissolved < 0.00010 0.00010 mg/L Magnesium, dissolved < 0.010 0.010 mg/L

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Dissolved Metals, Batch B8E1115, Continued

Blank (B8E1115-BLK1), Continued Prepared: 2018-05-16, Analyzed: 2018-05-16 Manganese, dissolved < 0.00020 0.00020 mg/L Molybdenum, dissolved < 0.00010 0.00010 mg/L Nickel, dissolved < 0.00040 0.00040 mg/L Phosphorus, dissolved < 0.050 0.050 mg/L Potassium, dissolved < 0.10 0.10 mg/L Selenium, dissolved < 0.00050 0.00050 mg/L Silicon, dissolved < 1.0 1.0 mg/L Silver, dissolved < 0.000050 0.000050 mg/L Sodium, dissolved < 0.10 0.10 mg/L Strontium, dissolved < 0.0010 0.0010 mg/L Sulfur, dissolved < 3.0 3.0 mg/L Tellurium, dissolved < 0.00050 0.00050 mg/L Thallium, dissolved < 0.000020 0.000020 mg/L Thorium, dissolved < 0.00010 0.00010 mg/L Tin, dissolved < 0.00020 0.00020 mg/L Titanium, dissolved < 0.0050 0.0050 mg/L Tungsten, dissolved < 0.0010 0.0010 mg/L Uranium, dissolved < 0.000020 0.000020 mg/L Vanadium, dissolved < 0.0010 0.0010 mg/L Zinc, dissolved < 0.0040 0.0040 mg/L Zirconium, dissolved < 0.00010 0.00010 mg/L

LCS (B8E1115-BS1) Prepared: 2018-05-16, Analyzed: 2018-05-16 Aluminum, dissolved 0.0216 0.0050 mg/L 0.0200 108 80-120 Antimony, dissolved 0.0197 0.00020 mg/L 0.0200 99 80-120 Arsenic, dissolved 0.0198 0.00050 mg/L 0.0200 99 80-120 Barium, dissolved 0.0193 0.0050 mg/L 0.0200 96 80-120 Beryllium, dissolved 0.0209 0.00010 mg/L 0.0200 104 80-120 Bismuth, dissolved 0.0202 0.00010 mg/L 0.0200 101 80-120 Boron, dissolved 0.0185 0.0050 mg/L 0.0200 93 80-120 Cadmium, dissolved 0.0200 0.000010 mg/L 0.0200 100 80-120 Calcium, dissolved 1.96 0.20 mg/L 2.00 98 80-120 Chromium, dissolved 0.0188 0.00050 mg/L 0.0200 94 80-120 Cobalt, dissolved 0.0193 0.00010 mg/L 0.0200 97 80-120 Copper, dissolved 0.0201 0.00040 mg/L 0.0200 100 80-120 Iron, dissolved 1.94 0.010 mg/L 2.00 97 80-120 Lead, dissolved 0.0199 0.00020 mg/L 0.0200 99 80-120 Lithium, dissolved 0.0210 0.00010 mg/L 0.0200 105 80-120 Magnesium, dissolved 1.99 0.010 mg/L 2.00 99 80-120 Manganese, dissolved 0.0195 0.00020 mg/L 0.0200 98 80-120 Molybdenum, dissolved 0.0192 0.00010 mg/L 0.0200 96 80-120 Nickel, dissolved 0.0197 0.00040 mg/L 0.0200 98 80-120 Phosphorus, dissolved 1.83 0.050 mg/L 2.00 92 80-120 Potassium, dissolved 1.91 0.10 mg/L 2.00 95 80-120 Selenium, dissolved 0.0203 0.00050 mg/L 0.0200 101 80-120 Silicon, dissolved 2.0 1.0 mg/L 2.00 98 80-120 Silver, dissolved 0.0194 0.000050 mg/L 0.0200 97 80-120 Sodium, dissolved 1.95 0.10 mg/L 2.00 98 80-120 Strontium, dissolved 0.0188 0.0010 mg/L 0.0200 94 80-120 Sulfur, dissolved 4.4 3.0 mg/L 5.00 88 80-120 Tellurium, dissolved 0.0200 0.00050 mg/L 0.0200 100 80-120 Thallium, dissolved 0.0198 0.000020 mg/L 0.0200 99 80-120 Thorium, dissolved 0.0189 0.00010 mg/L 0.0200 95 80-120 Tin, dissolved 0.0200 0.00020 mg/L 0.0200 100 80-120 Titanium, dissolved 0.0203 0.0050 mg/L 0.0200 102 80-120 Tungsten, dissolved 0.0174 0.0010 mg/L 0.0200 87 80-120 Rev 2017-11-07 Caring About Results, Obviously. Page 19 19 of of 25 25 APPENDIX 2: QUALITY CONTROL RESULTS

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Dissolved Metals, Batch B8E1115, Continued

LCS (B8E1115-BS1), Continued Prepared: 2018-05-16, Analyzed: 2018-05-16 Uranium, dissolved 0.0220 0.000020 mg/L 0.0200 110 80-120 Vanadium, dissolved 0.0185 0.0010 mg/L 0.0200 93 80-120 Zinc, dissolved 0.0217 0.0040 mg/L 0.0200 108 80-120 Zirconium, dissolved 0.0200 0.00010 mg/L 0.0200 100 80-120

Duplicate (B8E1115-DUP1) Source: 8050835-01 Prepared: 2018-05-16, Analyzed: 2018-05-16 Aluminum, dissolved 0.0351 0.0050 mg/L 0.0366 4 11 Antimony, dissolved 0.00025 0.00020 mg/L < 0.00020 20 Arsenic, dissolved < 0.00050 0.00050 mg/L < 0.00050 8 Barium, dissolved 0.0582 0.0050 mg/L 0.0567 3 7 Beryllium, dissolved < 0.00010 0.00010 mg/L < 0.00010 14 Bismuth, dissolved < 0.00010 0.00010 mg/L < 0.00010 20 Boron, dissolved 0.0083 0.0050 mg/L 0.0081 13 Cadmium, dissolved 0.000039 0.000010 mg/L 0.000030 20 Calcium, dissolved 86.0 0.20 mg/L 83.8 3 8 Chromium, dissolved < 0.00050 0.00050 mg/L < 0.00050 14 Cobalt, dissolved 0.00019 0.00010 mg/L 0.00018 10 Copper, dissolved 0.00094 0.00040 mg/L 0.00100 20 Iron, dissolved 0.565 0.010 mg/L 0.563 < 1 14 Lead, dissolved < 0.00020 0.00020 mg/L < 0.00020 20 Lithium, dissolved 0.00786 0.00010 mg/L 0.00774 2 14 Magnesium, dissolved 26.6 0.010 mg/L 26.2 2 6 Manganese, dissolved 0.0430 0.00020 mg/L 0.0424 1 9 Molybdenum, dissolved 0.00351 0.00010 mg/L 0.00336 4 19 Nickel, dissolved 0.00077 0.00040 mg/L 0.00074 20 Phosphorus, dissolved < 0.050 0.050 mg/L < 0.050 14 Potassium, dissolved 4.10 0.10 mg/L 4.03 2 8 Selenium, dissolved 0.00613 0.00050 mg/L 0.00608 < 1 20 Silicon, dissolved 6.8 1.0 mg/L 6.7 2 12 Silver, dissolved < 0.000050 0.000050 mg/L < 0.000050 20 Sodium, dissolved 5.24 0.10 mg/L 5.18 1 6 Strontium, dissolved 0.765 0.0010 mg/L 0.756 1 6 Sulfur, dissolved 9.9 3.0 mg/L 10.0 20 Tellurium, dissolved < 0.00050 0.00050 mg/L < 0.00050 20 Thallium, dissolved < 0.000020 0.000020 mg/L < 0.000020 13 Thorium, dissolved < 0.00010 0.00010 mg/L < 0.00010 20 Tin, dissolved < 0.00020 0.00020 mg/L < 0.00020 20 Titanium, dissolved < 0.0050 0.0050 mg/L < 0.0050 20 Tungsten, dissolved < 0.0010 0.0010 mg/L < 0.0010 20 Uranium, dissolved 0.00720 0.000020 mg/L 0.00711 1 14 Vanadium, dissolved < 0.0010 0.0010 mg/L < 0.0010 20 Zinc, dissolved 0.0721 0.0040 mg/L 0.0729 1 11 Zirconium, dissolved < 0.00010 0.00010 mg/L < 0.00010 20

Reference (B8E1115-SRM1) Prepared: 2018-05-16, Analyzed: 2018-05-16 Aluminum, dissolved 0.225 0.0050 mg/L 0.233 97 79-114 Antimony, dissolved 0.0454 0.00020 mg/L 0.0430 106 89-123 Arsenic, dissolved 0.444 0.00050 mg/L 0.438 101 87-113 Barium, dissolved 3.30 0.0050 mg/L 3.35 99 85-114 Beryllium, dissolved 0.232 0.00010 mg/L 0.213 109 79-122 Boron, dissolved 1.75 0.0050 mg/L 1.74 100 79-117 Cadmium, dissolved 0.222 0.000010 mg/L 0.224 99 89-112 Calcium, dissolved 7.83 0.20 mg/L 7.69 102 85-120 Chromium, dissolved 0.427 0.00050 mg/L 0.437 98 87-113 Cobalt, dissolved 0.130 0.00010 mg/L 0.128 102 90-117 Copper, dissolved 0.855 0.00040 mg/L 0.844 101 90-115

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Dissolved Metals, Batch B8E1115, Continued

Reference (B8E1115-SRM1), Continued Prepared: 2018-05-16, Analyzed: 2018-05-16 Iron, dissolved 1.26 0.010 mg/L 1.29 98 86-112 Lead, dissolved 0.112 0.00020 mg/L 0.112 100 90-113 Lithium, dissolved 0.110 0.00010 mg/L 0.104 106 77-127 Magnesium, dissolved 6.80 0.010 mg/L 6.92 98 84-116 Manganese, dissolved 0.331 0.00020 mg/L 0.345 96 85-113 Molybdenum, dissolved 0.422 0.00010 mg/L 0.426 99 87-112 Nickel, dissolved 0.844 0.00040 mg/L 0.840 100 90-114 Phosphorus, dissolved 0.470 0.050 mg/L 0.495 95 74-119 Potassium, dissolved 3.10 0.10 mg/L 3.19 97 78-119 Selenium, dissolved 0.0337 0.00050 mg/L 0.0331 102 89-123 Sodium, dissolved 18.6 0.10 mg/L 19.1 97 81-117 Strontium, dissolved 0.879 0.0010 mg/L 0.916 96 82-111 Thallium, dissolved 0.0386 0.000020 mg/L 0.0393 98 90-113 Uranium, dissolved 0.263 0.000020 mg/L 0.266 99 87-113 Vanadium, dissolved 0.823 0.0010 mg/L 0.869 95 85-110 Zinc, dissolved 0.886 0.0040 mg/L 0.881 101 88-114

General Parameters, Batch B8E0741

Blank (B8E0741-BLK1) Prepared: 2018-05-09, Analyzed: 2018-05-14 BOD, 5-day < 2.0 2.0 mg/L

LCS (B8E0741-BS1) Prepared: 2018-05-09, Analyzed: 2018-05-14 BOD, 5-day 193 2.0 mg/L 198 97 85-115

General Parameters, Batch B8E0749

Blank (B8E0749-BLK1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Carbon, Total Organic < 0.50 0.50 mg/L

Blank (B8E0749-BLK2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Carbon, Total Organic < 0.50 0.50 mg/L

LCS (B8E0749-BS1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Carbon, Total Organic 10.4 0.50 mg/L 10.0 104 78-116

LCS (B8E0749-BS2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Carbon, Total Organic 9.34 0.50 mg/L 10.0 93 78-116

General Parameters, Batch B8E0755

Blank (B8E0755-BLK1) Prepared: 2018-05-09, Analyzed: 2018-05-09 Solids, Total Suspended < 1.0 1.0 mg/L

Blank (B8E0755-BLK2) Prepared: 2018-05-09, Analyzed: 2018-05-09 Solids, Total Suspended < 1.0 1.0 mg/L

LCS (B8E0755-BS1) Prepared: 2018-05-09, Analyzed: 2018-05-09 Solids, Total Suspended 98.0 10.0 mg/L 100 98 91-106

LCS (B8E0755-BS2) Prepared: 2018-05-09, Analyzed: 2018-05-09 Solids, Total Suspended 99.0 10.0 mg/L 100 99 91-106

Reference (B8E0755-SRM1) Prepared: 2018-05-09, Analyzed: 2018-05-09 Solids, Total Suspended 408 20.0 mg/L 443 92 80-120

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

General Parameters, Batch B8E0758

Blank (B8E0758-BLK1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chemical Oxygen Demand < 20 20 mg/L

LCS (B8E0758-BS1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Chemical Oxygen Demand 492 20 mg/L 500 98 89-115

Duplicate (B8E0758-DUP1) Source: 8050835-06 Prepared: 2018-05-10, Analyzed: 2018-05-10 Chemical Oxygen Demand 253 20 mg/L 255 < 1 14

Matrix Spike (B8E0758-MS1) Source: 8050835-06 Prepared: 2018-05-10, Analyzed: 2018-05-10 Chemical Oxygen Demand 2210 20 mg/L 2000 255 98 75-125

General Parameters, Batch B8E0863

Blank (B8E0863-BLK1) Prepared: 2018-05-10, Analyzed: 2018-05-13 Nitrogen, Total Kjeldahl < 0.050 0.050 mg/L

Blank (B8E0863-BLK2) Prepared: 2018-05-10, Analyzed: 2018-05-13 Nitrogen, Total Kjeldahl < 0.050 0.050 mg/L

LCS (B8E0863-BS1) Prepared: 2018-05-10, Analyzed: 2018-05-13 Nitrogen, Total Kjeldahl 0.932 0.050 mg/L 1.00 93 84-121

LCS (B8E0863-BS2) Prepared: 2018-05-10, Analyzed: 2018-05-13 Nitrogen, Total Kjeldahl 0.962 0.050 mg/L 1.00 96 84-121

General Parameters, Batch B8E0882

Blank (B8E0882-BLK1) Prepared: 2018-05-10, Analyzed: 2018-05-10 Conductivity (EC) < 2.0 2.0 µS/cm

Blank (B8E0882-BLK2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Alkalinity, Total (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Bicarbonate (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L Conductivity (EC) < 2.0 2.0 µS/cm BLK

Blank (B8E0882-BLK3) Prepared: 2018-05-11, Analyzed: 2018-05-11 Alkalinity, Total (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Bicarbonate (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L Conductivity (EC) < 2.0 2.0 µS/cm

LCS (B8E0882-BS2) Prepared: 2018-05-10, Analyzed: 2018-05-10 Alkalinity, Total (as CaCO3) 101 1.0 mg/L 100 101 92-106

LCS (B8E0882-BS3) Prepared: 2018-05-11, Analyzed: 2018-05-11 Alkalinity, Total (as CaCO3) 101 1.0 mg/L 100 101 92-106

LCS (B8E0882-BS4) Prepared: 2018-05-10, Analyzed: 2018-05-10 Conductivity (EC) 1400 2.0 µS/cm 1410 100 95-104

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

General Parameters, Batch B8E0882, Continued

LCS (B8E0882-BS5) Prepared: 2018-05-10, Analyzed: 2018-05-10 Conductivity (EC) 1420 2.0 µS/cm 1410 101 95-104

LCS (B8E0882-BS6) Prepared: 2018-05-11, Analyzed: 2018-05-11 Conductivity (EC) 1420 2.0 µS/cm 1410 100 95-104

Duplicate (B8E0882-DUP1) Source: 8050835-04 Prepared: 2018-05-10, Analyzed: 2018-05-10 Alkalinity, Total (as CaCO3) 530 1.0 mg/L 530 < 1 10 Alkalinity, Phenolphthalein (as CaCO3) < 1.0 1.0 mg/L < 1.0 10 Alkalinity, Bicarbonate (as CaCO3) 530 1.0 mg/L 530 < 1 10 Alkalinity, Carbonate (as CaCO3) < 1.0 1.0 mg/L < 1.0 10 Alkalinity, Hydroxide (as CaCO3) < 1.0 1.0 mg/L < 1.0 10 Conductivity (EC) 1040 2.0 µS/cm 1040 < 1 5 pH 7.54 0.10 pH units 7.51 < 1 4

Reference (B8E0882-SRM1) Prepared: 2018-05-10, Analyzed: 2018-05-10 pH 7.00 0.10 pH units 7.01 100 98-102

Reference (B8E0882-SRM2) Prepared: 2018-05-10, Analyzed: 2018-05-10 pH 7.01 0.10 pH units 7.01 100 98-102

Reference (B8E0882-SRM3) Prepared: 2018-05-11, Analyzed: 2018-05-11 pH 7.00 0.10 pH units 7.01 100 98-102

General Parameters, Batch B8E0886

Blank (B8E0886-BLK1) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) < 0.020 0.020 mg/L

Blank (B8E0886-BLK2) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) < 0.020 0.020 mg/L

Blank (B8E0886-BLK3) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) < 0.020 0.020 mg/L

LCS (B8E0886-BS1) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) 1.02 0.020 mg/L 1.00 102 90-115

LCS (B8E0886-BS2) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) 1.04 0.020 mg/L 1.00 104 90-115

LCS (B8E0886-BS3) Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) 0.989 0.020 mg/L 1.00 99 90-115

Duplicate (B8E0886-DUP1) Source: 8050835-01 Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) < 0.020 0.020 mg/L < 0.020 15

Matrix Spike (B8E0886-MS1) Source: 8050835-01 Prepared: 2018-05-15, Analyzed: 2018-05-15 Ammonia, Total (as N) 0.255 0.020 mg/L 0.250 < 0.020 95 75-125

Volatile Organic Compounds (VOC), Batch B8E0983

Blank (B8E0983-BLK1) Prepared: 2018-05-12, Analyzed: 2018-05-12 Benzene < 0.5 0.5 µg/L Bromodichloromethane < 1.0 1.0 µg/L Bromoform < 1.0 1.0 µg/L Carbon tetrachloride < 0.5 0.5 µg/L

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Volatile Organic Compounds (VOC), Batch B8E0983, Continued

Blank (B8E0983-BLK1), Continued Prepared: 2018-05-12, Analyzed: 2018-05-12 Chlorobenzene < 1.0 1.0 µg/L Chloroethane < 2.0 2.0 µg/L Chloroform < 1.0 1.0 µg/L Dibromochloromethane < 1.0 1.0 µg/L 1,2-Dibromoethane < 0.3 0.3 µg/L Dibromomethane < 1.0 1.0 µg/L 1,2-Dichlorobenzene < 0.5 0.5 µg/L 1,3-Dichlorobenzene < 1.0 1.0 µg/L 1,4-Dichlorobenzene < 1.0 1.0 µg/L 1,1-Dichloroethane < 1.0 1.0 µg/L 1,2-Dichloroethane < 1.0 1.0 µg/L 1,1-Dichloroethylene < 1.0 1.0 µg/L cis-1,2-Dichloroethylene < 1.0 1.0 µg/L trans-1,2-Dichloroethylene < 1.0 1.0 µg/L Dichloromethane < 3.0 3.0 µg/L 1,2-Dichloropropane < 1.0 1.0 µg/L 1,3-Dichloropropene (cis + trans) < 1.0 1.0 µg/L Ethylbenzene < 1.0 1.0 µg/L Methyl tert-butyl ether < 1.0 1.0 µg/L Styrene < 1.0 1.0 µg/L 1,1,2,2-Tetrachloroethane < 0.5 0.5 µg/L Tetrachloroethylene < 1.0 1.0 µg/L Toluene < 1.0 1.0 µg/L 1,1,1-Trichloroethane < 1.0 1.0 µg/L 1,1,2-Trichloroethane < 1.0 1.0 µg/L Trichloroethylene < 1.0 1.0 µg/L Trichlorofluoromethane < 1.0 1.0 µg/L Vinyl chloride < 1.0 1.0 µg/L Xylenes (total) < 2.0 2.0 µg/L Surrogate: Toluene-d8 20.4 µg/L 26.2 78 70-130 Surrogate: 4-Bromofluorobenzene 18.3 µg/L 25.0 73 70-130 Surrogate: 1,4-Dichlorobenzene-d4 17.0 µg/L 25.0 68 70-130 S02 LCS (B8E0983-BS1) Prepared: 2018-05-12, Analyzed: 2018-05-12 Benzene 19.1 0.5 µg/L 20.0 96 70-130 Bromodichloromethane 19.3 1.0 µg/L 20.0 97 70-130 Bromoform 19.9 1.0 µg/L 20.2 98 70-130 Carbon tetrachloride 21.2 0.5 µg/L 20.1 106 70-130 Chlorobenzene 20.2 1.0 µg/L 20.1 100 70-130 Chloroethane 19.8 2.0 µg/L 20.0 99 60-140 Chloroform 19.8 1.0 µg/L 20.2 98 70-130 Dibromochloromethane 18.0 1.0 µg/L 20.1 90 70-130 1,2-Dibromoethane 17.9 0.3 µg/L 20.0 89 70-130 Dibromomethane 19.5 1.0 µg/L 20.0 97 70-130 1,2-Dichlorobenzene 21.1 0.5 µg/L 20.2 104 70-130 1,3-Dichlorobenzene 21.7 1.0 µg/L 20.2 107 70-130 1,4-Dichlorobenzene 21.5 1.0 µg/L 20.1 107 70-130 1,1-Dichloroethane 21.0 1.0 µg/L 20.1 105 70-130 1,2-Dichloroethane 19.5 1.0 µg/L 20.2 96 70-130 1,1-Dichloroethylene 19.2 1.0 µg/L 20.1 95 70-130 cis-1,2-Dichloroethylene 18.6 1.0 µg/L 20.0 93 70-130 trans-1,2-Dichloroethylene 18.1 1.0 µg/L 20.1 90 70-130 Dichloromethane 18.6 3.0 µg/L 20.1 93 70-130 1,2-Dichloropropane 19.1 1.0 µg/L 20.1 95 70-130 1,3-Dichloropropene (cis + trans) 32.7 1.0 µg/L 40.2 81 70-130 Ethylbenzene 20.5 1.0 µg/L 20.0 102 70-130 Rev 2017-11-07 Caring About Results, Obviously. Page 24 24 of of 25 25 APPENDIX 2: QUALITY CONTROL RESULTS

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Spike Source REC RPD Analyte Result RL Units % REC % RPD Qualifier Level Result Limit Limit

Volatile Organic Compounds (VOC), Batch B8E0983, Continued

LCS (B8E0983-BS1), Continued Prepared: 2018-05-12, Analyzed: 2018-05-12 Methyl tert-butyl ether 18.5 1.0 µg/L 20.0 92 70-130 Styrene 17.0 1.0 µg/L 20.0 85 70-130 1,1,2,2-Tetrachloroethane 26.6 0.5 µg/L 20.2 132 70-130 SPK Tetrachloroethylene 25.6 1.0 µg/L 20.1 127 70-130 Toluene 21.0 1.0 µg/L 20.0 105 70-130 1,1,1-Trichloroethane 20.2 1.0 µg/L 20.1 101 70-130 1,1,2-Trichloroethane 18.7 1.0 µg/L 20.1 93 70-130 Trichloroethylene 21.8 1.0 µg/L 20.1 108 70-130 Trichlorofluoromethane 22.5 1.0 µg/L 20.0 112 60-140 Vinyl chloride 19.3 1.0 µg/L 20.0 96 60-140 Xylenes (total) 61.1 2.0 µg/L 60.0 102 70-130 Surrogate: Toluene-d8 20.7 µg/L 26.2 79 70-130 Surrogate: 4-Bromofluorobenzene 25.2 µg/L 25.0 101 70-130 S02 Surrogate: 1,4-Dichlorobenzene-d4 26.5 µg/L 25.0 106 70-130

QC Qualifiers: BLK Analyte concentration in the Method Blank is above the Reporting Limit (RL). S02 Surrogate recovery outside of control limits. Data accepted based on acceptable recovery of other surrogates. SPK The recovery of this analyte was outside of established control limits.

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Appendix E

WWAL Response to Non-compliance letter from MoE

MEMORANDUM Columbia Shuswap Regional District TO: Ben Van Nostrand, B.Sc., P.Ag., AScT. (CSRD) DATE: February 25, 2019

FR: Bryer Manwell, M.Sc., P.Eng. PROJECT NO: 14-024-13

RE: WWAL RESPONSE TO THE MINISTRY NON-COMPLIANCE ADVISORY LETTER FOR THE SALMON ARM LANDFILL

From the May 28, 2018 Non-compliance Advisory letter provided to the Columbia Shuswap Regional District (CSRD), which includes inspection details, requirements for section 2. Design and Performance Requirements, 2.7 Ground and Surface Water Quality Impairment were deemed to be out of compliance for water quality results at IW-1a, IW-1b, DMW-1, MW95-01 (at boundary) and MW95-02 (at boundary). The inspection report addresses that a plan should be developed to reduce all parameters to be below applicable guidelines at monitoring wells located near the property boundary. This memo is provided to address the out of compliance designations.

IW-1a, IW-1b and DMW-1 (off-site) Irrigation wells IW-1a and IW-1b and domestic well DMW-1 are located off-site of the landfill. In 2018 DMW-1 and IW-1b were in exceedance of GCDWQ AO guidelines for dissolved manganese and iron, with DMW-1 and IW-1b also in exceedance of CSR IW standards for dissolved manganese and uranium. Table 1 below provides a list of exceedances. IW=1a was not sample din 2018 due to the pump nonoperational.

Table 1: 2018 Water Quality Exceedances by Guideline Sampling Location Guideline 2018 Exceedances GCDWQ AO Iron (dissolved), Manganese (dissolved) DMW-1 BC CSR IW Manganese (dissolved) GCDWQ AO Iron (dissolved), Manganese (dissolved) IW-1b BC CSR IW Uranium (dissolved)

Average concentrations of dissolved iron measured at DMW-1, IW-1a and IW-1b are 0.271 mg/l, 1.56 mg/l and 0.61 mg/l, respectively (from Table 5, located in the main body of the 2018 Annual Monitoring Report). Irrigation wells IW-1a and IW-1b are elevated above background (MW08-05) which has an average concentration of 0.55 mg/l and DMW-1 has average concentrations below background.

DMW-1, IW-1a and IW-1b have average dissolved manganese concentrations of 0.26 mg/l, 0.10 mg/l, and 0.06 mg/l, respectively. These concentrations remain below the background well (MW08-05) which has an average dissolved manganese concentration of 0.13 mg/l (Table 5).

IW-1b was also in exceedance of CSR IW standards for dissolved uranium with an average value of 0.0089 mg/l, slightly elevated above background at 0.0064 mg/l (Table 5). Iron, manganese and uranium concentrations exceeding guidelines at off-site wells in 2018 are likely naturally occurring, as when we look at chloride, a conservative ion associated with human activity, is virtually always present in landfill leachate, the concentrations of chloride at the off- site wells are comparable or less than background (MW08-05).

| #106 – 5145 26th Street, Vernon, B.C. V1T 8G4 | P:1.250.541.1030 |Prince George | Victoria | www.westernwater.ca | CSRD February 25, 2019 Technical Memorandum - 2 - 14-024-13

MW095-01 and MW95-02 (on-site) MW95-01 and MW95-02, located at the hydraulically downgradient northern property boundary, were in exceedance of the following parameters in 2018 (Table 4 located in main body of the report):

MW95-01: o Boron (dissolved) [BC CSR IW] o Lithium (dissolved) [BC CSR DW] o Manganese (dissolved) [GCDWQ AO] o Nitrate (as N) [GCDWQ MAC, BC CSR DW] o pH [F] (GCDWQ AO) o Uranium (dissolved) [GCDWQ MAC, BC CSR IW, BC CSR DW]

MW95-02: o Arsenic (dissolved) [GCDWQ MAC, BC CSR DW] o Cobalt (dissolved) [BC CSR DW] o Iron (dissolved) [GCDWQ AO, BC CSR IW] o Lithium (dissolved) [BC CSR DW] o Manganese (dissolved) [GCDWQ AO, BC CSR IW] o Uranium (dissolved) [BC CSR IW]

Although dissolved iron and manganese concentrations at MW95-01 and MW95-01 are elevated above background and offsite wells they display decreasing trends from 2014 to 2018 (Figures 10 and 11). MW95-01 and MW95-02 have average dissolved manganese concentrations of 0.1 mg/l and 1.89 mg/l; and average dissolved iron concentrations of 0.9 mg/l and 13.2 mg/l, respectively. These concentrations are elevated above background (MW08- 05) which has average concentrations of 0.13 mg/l (manganese) and 0.55 mg/l (iron). MW95-02 had a spike in dissolved manganese concentrations to 3.84 mg/l measured in November 2014 and concentrations have since decreased to 1.95 mg/l measured in November 2018 (Figure 11), slightly elevated above the BC CSR DW standard of 1.5 mg/l. MW95-01 also displays a decreasing trend of dissolved manganese from the its initial sampling event with a measured concentration of 0.261 mg/l in 2002 to 0.119 mg/l, measured at the most recent sampling event in November 2018 (Figure 11). MW95-01 and MW95-02 both displayed a spike in dissolved iron that occurred in 2014 but concentrations have since displayed a decreasing trend with dissolved iron concentrations measured at MW95- 01 in 2018 below guidelines (Figure 10 in Figures section of report).

Chloride concentrations at MW95-01 display a decreasing trend from 2006 (Figure 4). Chloride concentrations at MW95-02 display variability, with a spike in concentration to 91 mg/l occurring in April 2011, after the completion of Phase 1 closure, resulting in the landfill being capped with a geomembrane and a fabricated topsoil and closed. Chloride concentrations at MW95-02 display a decreasing trend from the April 2011 concentration (Figure 4) to 77.2 mg/l measured in November 2018, below applicable guidelines.

Dissolved uranium concentrations at MW95-01 display an increasing trend from August 2014 to 2018 (Figure 12), resulting in concentrations to exceed the GCDWQ MAC guidelines. Concentrations at MW95-02 have remained relatively constant and display seasonal variability, with concentrations remaining below the GCDWQ MAC guidelines.

| #106 – 5145 26th Street, Vernon, B.C. V1T 8G4 | P:1.250.541.1030 |Prince George | Victoria | www.westernwater.ca | CSRD February 25, 2019 Technical Memorandum - 3 - 14-024-13

Nitrate concentrations at MW95-01 are displaying an increasing trend with results from 2016 to 2018 exceeding GCDWQ MAC guidelines of 10 mg/l.

The increase in nitrate and dissolved uranium concentrations at MW95-01 requires further investigations. This would include an assessment of the change in land-use, further monitoring as well as a potential investigation of irrigation of the leachate pond onto the bio-cover of poplar trees planted a-top of the capped Phase 1.

| #106 – 5145 26th Street, Vernon, B.C. V1T 8G4 | P:1.250.541.1030 |Prince George | Victoria | www.westernwater.ca |