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Reference No 2018 Annual Surface Water Quality Monitoring Report Clean Harbors Lambton Facility Clean Harbors Canada, Inc. GHD | 455 Phillip Street Waterloo Ontario N2L 3X2 Canada | 044985 | Report No 39 | January 24, 2019 Table of Contents 1. Introduction ................................................................................................................................... 1 1.1 Purpose and Organization ................................................................................................. 1 1.2 Site Location ...................................................................................................................... 1 1.3 Ownership and Key Personnel .......................................................................................... 2 1.4 Waste Disposal Site ........................................................................................................... 2 1.5 Water Management System .............................................................................................. 3 1.5.1 Surface Water Management ............................................................................. 3 1.5.2 Process Water Management ............................................................................ 4 1.5.3 SWTP Maintenance .......................................................................................... 4 1.6 Limitations .......................................................................................................................... 5 2. Physical Setting ............................................................................................................................ 5 2.1 Geology and Hydrogeology ............................................................................................... 5 2.2 Surface Water Features ..................................................................................................... 6 3. Monitoring Program ...................................................................................................................... 6 3.1 Surface Water Monitoring .................................................................................................. 6 3.1.1 Daily Discharge Monitoring ............................................................................... 6 3.1.2 Monthly Discharge Monitoring .......................................................................... 7 3.1.2.1 Monthly Discharge Chemical Monitoring .......................................................... 7 3.1.2.2 Toxicity Monitoring ............................................................................................ 7 3.1.2.3 Visual Observations .......................................................................................... 7 3.1.3 Off-Site Surface Water Monitoring .................................................................... 8 3.2 Surface Water Characterization ......................................................................................... 8 3.3 Amendments to Surface Water Monitoring Program ......................................................... 8 4. Monitoring Results and Assessment ............................................................................................ 9 4.1 Daily Discharge Monitoring ................................................................................................ 9 4.2 Monthly Discharge Monitoring ........................................................................................... 9 4.2.1 Monthly Discharge Chemical Monitoring .......................................................... 9 4.2.2 Toxicity Monitoring .......................................................................................... 10 4.2.3 Visual Observation.......................................................................................... 11 4.2.4 Surface Water Characterization ..................................................................... 11 4.3 Off-Site Surface Water Monitoring ................................................................................... 12 5. Conclusions and Recommendations .......................................................................................... 13 5.1 Conclusions ..................................................................................................................... 13 5.2 Recommendations ........................................................................................................... 14 6. References ................................................................................................................................. 14 GHD | 2018 Annual Surface Water Quality Monitoring Report | 044985 (39) | Page i Figure Index Figure 1 Site Location and Supplementary Off-Site Monitoring Locations Figure 2 Surface Water Management System Table Index Table 1 Geo-Reference Data for the Lambton Facility ................................................................... 2 Tables following the text: Table 2 Surface Water Monitoring Program Table 3 Surface Water Monitoring Parameters Table 4 Effluent Discharge Limits Table 5 Daily Chemical Analysis – Equalization Pond Table 6 Monthly Discharge Chemical Monitoring – Equalization Pond, General Chemistry, Metals, and VOCs/sVOCs Table 7 Monthly Discharge Chemical Monitoring – Equalization Pond, Microtox Table 8 Surface Water Characterization – East Pond Table 9 Surface Water Characterization – West Pond Table 10 Supplementary Chemical Monitoring – Off-Site Monitoring Locations Appendix Index Appendix A Letter to Erica Carabott from GHD Re: Surface Water Monitoring Program and Surface Water Characterization Program dated December 9, 2015 Appendix B Analytical Data Collected During Effluent Discharge Appendix C Analytical Data Verification Memo Appendix D CEP Declaration, Monitoring, and Screening Checklist GHD | 2018 Annual Surface Water Quality Monitoring Report | 044985 (39) | Page ii 1. Introduction 1.1 Purpose and Organization GHD on behalf of Clean Harbors Canada, Inc. (Clean Harbors) has prepared the "2018 Annual Surface Water Quality Monitoring Report" for the Clean Harbors Lambton Facility (Lambton Facility or Site) located at 4090 Telfer Road, St. Clair Township, Ontario. The Lambton Facility is a hazardous waste disposal facility owned and operated by Clean Harbors. The main hazardous waste disposal operations at the facility are the disposal of liquid waste in a liquid incinerator and the processing and disposal of solid waste in the landfill. The hazardous solid waste landfill component located at the Site operates in accordance with Environmental Compliance Approval No. A031806 (Waste ECA) issued by the Ministry of the Environment, Conservation and Parks (MECP). The most recent amendment is Notice 9 dated October 19, 2015. The surface water management system is approved by ECA No. 1065-9VVJSW (SW ECA) dated October 19, 2015. Both the Waste and SW ECAs have conditions that relate to surface water monitoring requirements. Copies of the Waste ECA and SW ECA are provided in the 2018 Clean Harbors Lambton Facility Annual Landfill Monitoring Report (Landfill Annual Monitoring Report). Condition 9(a)(i) of the Waste ECA requires that by December 15, 2015 Clean Harbors submit an updated surface water monitoring program to the Regional Director for approval, while Condition 8 of the SW ECA requires that within 6 months of issuance that Clean Harbors prepare and submit to the Director for approval a proposal for the characterization of storm water from the facility. Clean Harbors responded to both of the above conditions with the submission of a letter prepared by GHD titled "Surface Water Monitoring Program and Surface Water Characterization Program, Lambton Facility, Corunna, Ontario" dated December 9, 2015. A copy of this letter is provided in Appendix A. The revised surface water program, that includes the characterization program, was approved by the MECP Regional Director on March 29, 2016. The approved surface water monitoring and storm water characterization programs are summarized in Section 3. This report is organized into the following sections: • Section 1 Introduction • Section 2 Physical Setting • Section 3 Monitoring Program • Section 4 Monitoring Results and Assessment • Section 5 Conclusions and Recommendations 1.2 Site Location The Lambton Facility is a hazardous waste management complex on 121 hectares (ha) of land located within Lots 8 and 9, Concession 10 in St. Clair Township, Lambton County, operated by Clean Harbors. The facility location and site plan are presented on Figures 1 and 2. Geo-reference data for the Lambton Facility is presented in Table 1. GHD | 2018 Annual Surface Water Quality Monitoring Report | 044985 (39) | Page 1 Table 1 Geo-Reference Data for the Lambton Facility Location (1) Northing Easting Northeast Corner of the Facility 4748849 394521 Southeast Corner of the Facility 4747490 394478 Northwest Corner of the Facility 4748882 393626 Southwest Corner of the Facility 4747582 393570 The Lambton Facility includes an analytical laboratory, transportation depot, high temperature incinerator, solid waste pre-treatment processes, and a secure landfill (waste disposal site). The solid waste pre-treatment processes at the facility include acid/akali pre-treatment system (AAPS), thermal desorber unit (TDU), land disposal restriction building (LDR), spent pot liner treatment (SPL), and organic debris treatment. 1.3 Ownership and Key Personnel The Lambton Facility is owned and operated by Clean Harbors. Any environmental issues at the Site
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