Ontario Ministry of the Environment - Record of Site Condition # 201566 Record of Site Condition Under Part XV.1 of the Environment Protection Act

Summary

Record of Site Condition Number 201566 Date Filed to Environmental Site Registry 16/01/2012 Certification Date 23/08/2011 Current Property Use Commercial Intended Property Use Residential Certificate of Property Use Number 0433-8F3LB4 Applicable Site Condition Standards** Background Site Conditions Standard, with Non- potable Ground Water, Coarse Textured Soil, for Residential property use, with RA Property Municipal Address 171 Eastern Avenue M5A 1J1, 185 Eastern Avenue M5A 1J1, 169 Eastern Avenue M5A 1J1

Notice to Readers Concerning Due Diligence

This record of site condition has been filed in the Environmental Site Registry to which the public has access and which contains a notice advising users of the Environmental Site Registry who have dealings with any property to consider conducting their own due diligence with respect to the environmental condition of the property, in addition to reviewing information in the Environmental Site Registry.

Contents of this Record of Site Condition

This record of site condition consists (RSC) of this document which is available to be printed directly from the Environmental Site Registry as well as all supporting documentation indicated in this RSC to have been submitted in electronic format to the Ministry of the Environment. RSC Information

Each field marked by an asterisk ( ) must be completed. *

Is the property used, or has it ever been used, in whole or in part for an industrial use or as a garage; * a bulk liquid dispensing facility, including a gasoline outlet; or for the operation of dry cleaning equipment? Yes

Is the property being used or has the property ever been used, in whole or in part (a) for quarrying to excavate consolidated or unconsolidated aggregate; or (b) for that aspect of the production of oil and gas consisting of the presence of an oil well or gas well on, in or under the property? * Yes

Is the property currently used for an agricultural or other use, or a community use, an institutional use, a parkland use or a residential use? * Yes

Select Type of RSC * Phase 1 RSC

Phase 1 and 2 RSC

Phase 1 and 2 RSC with RA Owner Information Owner's Information Owners' General Information

Submitting Owner's Information Owners' General Information Owner's Agent Information Is the submitting owner(s) a Receiver for the Property? * Yes RSC Property Information No

Environmental Condition Is the submitting owner(s) represented by an Agent? * Contaminant Concentrations Yes No ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Owner's Information

Owners' General Information Submitting Owner's Information

Submitting Owner's Information Type of Owner * Owner Name * Owner's Agent Information Queen in Right of Ontario or Canada Her Majesty the Queen in right of Ontario as represented by the Minister of Infrastructure RSC Property Information Street Number * Street Name * Apt No. /RR No. 1 Environmental Condition Dundas Street West 2000 City, Town or Village * Province * Postal Code * Country Contaminant Concentrations Toronto ON M5G 2L5 ESA Information Submitting Owner's Contact Information

QP Profile Information Contact First Name * Contact Last Name *

Certification Statement Daniel Horowitz Supporting Documents Phone Number * (including area code) Fax Number (including area code) Email Address (416) 327-3937 (416) 327-1906 [email protected] Owner Information Owner's Agent Information Owners' General Information Submitting Owner's Information Owner's Agent Information Agent First Name * Agent Middle Name Agent Last Name * Owner's Agent Information Anton Pojasok

RSC Property Information Street Number * Street Name * Apt No. /RR No. Environmental Condition 1 Dundas Street West 2000 City, Town or Village * Province * Postal Code *

Contaminant Concentrations Toronto ON M5G 2L5 ESA Information Owner's Agent Contact Information Phone Number * (including area code) Fax Number (including area code) Email Address QP Profile Information (416) 212-5175 [email protected] Certification Statement

Supporting Documents Owner Information RSC Property Information Property Address RSC Property Information Does the Property have a Municipal Address? * Property Address Yes Municipality Information No

Property Reference Number Is the property administered by MNR under the Public Lands Act? * Yes Geographical Reference/Area of RSC Property No

Previously Filed RSC(s) and TN(s) Street Number * Street Name * Apt No. /RR No. Environmental Condition 169 Eastern Avenue City, Town or Village * Postal Code * Contaminant Concentrations Province * Toronto ON M5A 1J1

ESA Information Street Number * Street Name * Apt No. /RR No. QP Profile Information 171 Eastern Avenue City, Town or Village * Province * Postal Code * Certification Statement Toronto ON M5A 1J1

Supporting Documents Street Number * Street Name * Apt No. /RR No. 185 Eastern Avenue

City, Town or Village * Province * Postal Code * Toronto ON M5A 1J1 Owner Information Municipality & Property Address Information RSC Property Information Municipality Information Property Address Lower or Single Tier Municipality * Municipality Information Toronto Click here to view the list of municipalities

Property Reference Number Tier of Municipality

Geographical Reference/Area of Single Tier RSC Property The District Office of MOE *

Previously Filed RSC(s) and TN(s) Toronto District Office Environmental Condition Address of District Office of MOE 5775 Yonge St., 8th floor, North York ON M2M 4J1 Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Municipality & Property Address Information

RSC Property Information Property Reference Number

Property Address Assessment Roll Number Municipality Information 190407126000250 Property Reference Number 190407126000350 190407126000450 Geographical Reference/Area of RSC Property Property Identifier Number (PIN #) Previously Filed RSC(s) and TN(s) 21077-0313 (LT) Environmental Condition

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Geo Reference & Other Properties Details RSC Property Information Geographical References Property Address UTM Coordinates Municipality Information Datum

Property Reference Number NAD 83

Geographical Reference/Area of Zone * RSC Property 17

Previously Filed RSC(s) and TN(s) Easting * Environmental Condition 632,629.01 Northing * Contaminant Concentrations 4,834,797.20 Area of RSC Property ESA Information Total Area of RSC Property in Hectares * QP Profile Information 0.796239

Certification Statement

Supporting Documents Owner Information Previous Submission Information

RSC Property Information Previously Filed Record of Site Condition Number:

Property Address Municipality Information Previously Filed Transition Notice Number: Property Reference Number

Geographical Reference/Area of RSC Property

Previously Filed RSC(s) and TN(s)

Environmental Condition

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Environmental Condition RSC Property Information Site Condition Information Environmental Condition Other Site Condition Information

Other Site Condition Information Is the RSC being submitted using the transition provision under Section 21.1 of the Regulation? * Site Conditions for 2011 Generic Yes Standards No Risk Assessment Information Property Use and Certification Date Additional Ground Water Information Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern

Table of Current/Past Property Use of Phase One Property

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Environmental Condition RSC Property Information Site Condition Information Environmental Condition Site Conditions for 2011 Generic Standards

Other Site Condition Information Is Property: Site Conditions for 2011 Generic (i) Within an area of natural significance? or Does Property: Standards (ii) Include or is adjacent to an area of natural significance or part of such an area? or Risk Assessment Information (ii) Include land that is within 30 m of an area of natural significance or part of such an area. * Property Use and Certification Yes Date No Additional Ground Water Information Soil at the property has: (i) a pH value for Surface Soil less than 5 or greater than 9 or Remedial Action and Mitigation (ii) a pH value for Subsurface Soil less than 5 or greater than 11. * Details Yes

Area(s) of Potential Environmental No Concern

Table of Current/Past Property Use Is qualified person of the opinion that, given the characteristics of the property and the certifications the of Phase One Property qualified person would be required to make in a record of site condition in relation to the property as specified in Schedule A, it is appropriate to apply this section to the property? * Contaminant Concentrations Yes No ESA Information What is the intended use of the property? * QP Profile Information Residential Certification Statement

What is the Assessment/Restoration approach? * Supporting Documents Background

Full Depth Generic

Stratified

What is the ground water condition for the property? * Potable

Non-potable

What is the texture of the soil? * Coarse

Medium and Fine

Applicable 2011 Generic Standard Table Number : TABLE 1 Owner Information Risk Assessment Information RSC Property Information Associated Identification number for RA under section 168.5 of the Environmental Protection Act * Environmental Condition 4846-89CQ2U Was the risk assessment a SSRA completed and approved under the Cleanup Guideline 1996? Other Site Condition Information * Yes Site Conditions for 2011 Generic Standards No

Risk Assessment Information Has a Certificate of Property Use (CPU) been issued under section 168.6 of the Act for the RSC property? * Yes Property Use and Certification Date No CPU number * Additional Ground Water Information 0433-8F3LB4

Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern

Table of Current/Past Property Use of Phase One Property

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Property Use and Certification Date RSC Property Information Current Property Use and Certification Date

Environmental Condition What is the current use of the property? * Other Site Condition Information Commercial

Site Conditions for 2011 Generic Certification Date * Standards 2011/08/23

Risk Assessment Information Property Use and Certification Date

Additional Ground Water Information

Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern

Table of Current/Past Property Use of Phase One Property

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Environmental Condition RSC Property Information Site Condition Information Environmental Condition Additional Ground Water Information

Other Site Condition Information Has municipality been notified of non-potable ground water on site? * Site Conditions for 2011 Generic Yes Standards No

Risk Assessment Information Municipality notified of non-potable water by? * Property Use and Certification Owner Data QP

Additional Ground Water Local/Lower tier municipality non-potable water notification date * Information 2011/10/04 Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern

Table of Current/Past Property Use of Phase One Property

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Environmental Condition

RSC Property Information Remedial Action & Mitigation Soil Control or Treatment Measures Environmental Condition Identify the estimated quantities of the soil, if any, originating at and remaining on the RSC property that have Other Site Condition Information been remediated, at a location either on or off the property, to reduce the concentration of contaminants in the soil as measured in, or equivalent to, in-ground volume in cubic metres, and indicate the remediation process or Site Conditions for 2011 Generic processes used and the estimated amount of soil remediated by each identified process. Standards 0

Risk Assessment Information

Property Use and Certification Data Identify the estimated quantities of soil or sediment, if any, removed from and not returned to the RSC property as measured in, or equivalent to, the in-ground volume in cubic metres. Additional Ground Water Information 388

Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern Identify the estimated quantity of the soil, if any, being brought from another property to and deposited at the Table of Current/Past Property Use RSC property, not including any soil that may have originated at but been remediated off the RSC property not of Phase One Property including any soil that may have been remediated off the property and brought back to the property as measured in, or equivalent to, the in-ground volume in cubic metres. Contaminant Concentrations 220

ESA Information

QP Profile Information Indicate if any soil, sediment or ground water at the RSC property that is or was located within 3 metres of the RSC property boundary has been remediated or removed for the purpose of remediation. Certification Statement Yes Supporting Documents Owner Information Environmental Condition

RSC Property Information Remedial Action & Mitigation Ground Water Control or Treatment Measures Environmental Condition Identify and describe any ground water control or treatment measures that were required for the RSC property Other Site Condition Information prior to the certification date for the purpose of submitting the RSC for filing; or are or will be required for the RSC property after the certification date. Site Conditions for 2011 Generic None required Standards

Risk Assessment Information

Property Use and Certification Data Identify the estimated volume in litres of ground water, if any, removed from and not returned to the RSC property. Additional Ground Water 0 Information

Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern Other Treatment Measures Table of Current/Past Property Use of Phase One Property Other than the activities identified in the in the Soil or Ground Water Control or Treatment Measures above, identify any constructed works that, prior to the certification date for the purpose of submitting the RSC for filing, Contaminant Concentrations were required to control or otherwise mitigate the release or movement of known existing contaminants at the RSC property; or after the certification date, are required to control or otherwise mitigate the release or movement of known existing contaminants at the RSC property. ESA Information Risk Management Components include (as documented in the Risk Management Plan and CPU No. 0433- 8F3LB4): QP Profile Information - The Property shall be covered by a barrier to the site soils designed, installed, and maintained so as to prevent exposure to the Contaminants of Concern. The barrier shall consist of hard cap and/or unimpacted fill Certification Statement as specified in the Certificate of Property Use (No. 0433-8F3LB4). There is no need for a barrier to site soils if public exposure to the Contaminants of Concern in site soils is prevented by fencing or other risk Supporting Documents Indicate whether there are any monitoring requirements or any requirements for care, maintenance or replacement of any monitoring or control works for known existing contaminants, if any, on the RSC property, after the certification date, and whether any monitoring requirements or requirements for care, maintenance or replacement of any monitoring or control works are ground water management measures or soil management measures. - An inspection and maintenance program shall be prepared and implemented to ensure the continuing integrity of the Vapour Barrier, Sub-Slab Venting System and Sub-Membrane Venting Risk Management Measures. With regards to the Vapour Barrier, inspections of the inside surface of the below grade exterior walls and floors will be made for potential breaches. With regard to the Sub-Slab Venting System and Sub- Membrane Venting, inspections of these venting systems where visually accessible, will be made for potential breaches. The inspection program shall include at a minimum, semi annually (spring and fall) inspections of all Vapour Barriers, Sub-Slab Venting Systems and Sub-Membrane Venting Risk Management Measures and any deficiencies shall be repaired forthwith. The inspection results shall be Owner Information Environmental Condition RSC Property Information Potential Environmental Concern Environmental Condition Area(s) of Potential Environmental Concern

Other Site Condition Information Are there areas of potential environmental concern? * Site Conditions for 2011 Generic Yes Standards No Risk Assessment Information

Property Use and Certification Current and Past Property Use Data Table of Current and Past Property Use Additional Ground Water Information

Remedial Action and Mitigation Details

Area(s) of Potential Environmental Concern

Table of Current/Past Property Use of Phase One Property

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Contaminant Concentrations RSC Property Information Contaminants Measured in SOIL Environmental Condition General Information Related to Soil Media Contaminant Concentrations Is there no soil on, in or under the property? * (Note there is “no soil” if either there is no soil on, in or under the property OR the soil present is not sufficient Contaminants Measured in SOIL to investigate, sample and analyze in a manner which will meet the requirements and objectives of a phase two environmental site assessment) Contaminants Measured in Yes GROUND WATER No Contaminants Measured in SEDIMENTS

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Contaminant Concentrations RSC Property Information Contaminants Measured in SOIL Environmental Condition Measured Concentration for Contaminants in Surface Soil

Contaminant Concentrations Measured* Applicable Unit Of Contaminant 1-30 * Type of Measurement * Concentration Standard Measure Contaminants Measured in SOIL Boron (total) Measured 19 36 µg/g Contaminants Measured in Chlorophenol, 2- Minimum Detectable 0.1 0.1 µg/g GROUND WATER Dichlorophenol, 2,4- Minimum Detectable 0.1 0.1 µg/g Contaminants Measured in SEDIMENTS Dinitrophenol, 2,4- Minimum Detectable 0.2 2 µg/g Pentachlorophenol Minimum Detectable 0.1 0.1 µg/g ESA Information Phenol Minimum Detectable 0.1 0.5 µg/g QP Profile Information Trichlorofluoromethane Minimum Detectable 0.25 0.25 µg/g Trichlorophenol, 2,4,5- Minimum Detectable 0.1 0.1 µg/g Certification Statement Trichlorophenol, 2,4,6- Minimum Detectable 0.1 0.1 µg/g

Supporting Documents Uranium Measured 1.4 2.5 µg/g

Total # of Contaminants 10 Owner Information Contaminant Concentrations RSC Property Information Contaminants Measured in Ground Water Environmental Condition Measured Concentration for Contaminants in Ground Water

Contaminant Concentrations Measured* Applicable Unit Of Contaminant 1-30 * Type of Measurement * Concentration Standard Measure Contaminants Measured in SOIL Acenaphthene Measured 0.183 4.1 µg/L Contaminants Measured in Acenaphthylene Measured 0.098 1 µg/L GROUND WATER Acetone Measured 1000 2700 µg/L Contaminants Measured in SEDIMENTS Barium Measured 590 610 µg/L Benzene Minimum Detectable 0.5 0.5 µg/L ESA Information Beryllium Minimum Detectable 0.5 0.5 µg/L QP Profile Information Boron (total) Measured 342 1700 µg/L Bromodichloromethane Minimum Detectable 2 2 µg/L Certification Statement Bromoform Minimum Detectable 5 5 µg/L

Supporting Documents Cadmium Measured 0.2 0.5 µg/L

Chlorobenzene Minimum Detectable 0.5 0.5 µg/L

Chloroform Minimum Detectable 1 2 µg/L

Chromium VI Minimum Detectable 10 25 µg/L

Cyanide (CN-) Minimum Detectable 2 5 µg/L

Dibromochloromethane Minimum Detectable 2 2 µg/L

Dichlorodifluoromethane Minimum Detectable 2 590 µg/L

Dichloroethane, 1,2- Minimum Detectable 0.5 0.5 µg/L

Dichloroethylene, 1,2-trans- Minimum Detectable 0.5 1.6 µg/L

Dichloropropane, 1,2- Minimum Detectable 0.5 0.5 µg/L

Ethylbenzene Minimum Detectable 0.5 0.5 µg/L

Fluorene Measured 0.322 120 µg/L

Hexane (n) Minimum Detectable 0.5 5 µg/L

Lead Minimum Detectable 1 1.9 µg/L

Methyl Ethyl Ketone Measured 73 400 µg/L

Methyl Isobutyl Ketone Minimum Detectable 30 640 µg/L

Methyl Mercury ** Minimum Detectable 0.00002 0.12 µg/L

Methyl tert-Butyl Ether (MTBE) Minimum Detectable 2 15 µg/L

Methylene Chloride Minimum Detectable 5 5 µg/L

Methlynaphthalene, 2-(1-) *** Measured 0.23 2 µg/L

Molybdenum Measured 14 23 µg/L

Total # of Contaminants 40 Owner Information Contaminant Concentrations RSC Property Information Contaminants Measured in Ground Water Environmental Condition Measured Concentration for Contaminants in Ground Water

Contaminant Concentrations Measured* Applicable Unit Of Contaminant 31-60 * Type of Measurement * Concentration Standard Measure Contaminants Measured in SOIL Naphthalene Measured 0.247 7 µg/L Contaminants Measured in Petroleum Hydrocarbons F1**** Minimum Detectable 100 420 µg/L GROUND WATER Petroleum Hydrocarbons F2 Minimum Detectable 100 150 µg/L Contaminants Measured in SEDIMENTS Petroleum Hydrocarbons F3 Minimum Detectable 250 500 µg/L Petroleum Hydrocarbons F4 Minimum Detectable 250 500 µg/L ESA Information Silver Minimum Detectable 0.1 0.3 µg/L QP Profile Information Styrene Minimum Detectable 0.5 0.5 µg/L Tetrachloroethane, 1,1,1,2- Minimum Detectable 0.5 1.1 µg/L Certification Statement Trichlorofluoromethane Minimum Detectable 5 150 µg/L

Supporting Documents Xylene Mixture Minimum Detectable 1 72 µg/L

Total # of Contaminants 40 Owner Information Contaminant Concentrations RSC Property Information Contaminants Measured in Sediments

Environmental Condition Has sediment sampling been conducted at the property? * Yes Contaminant Concentrations No Contaminants Measured in SOIL

Contaminants Measured in GROUND WATER

Contaminants Measured in SEDIMENTS

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information Contaminant Concentrations RSC Property Information Laboratory Information Environmental Condition Laboratory Name * Contaminant Concentrations ALS Laboratory

Contaminants Measured in SOIL

Contaminants Measured in GROUND WATER

Contaminants Measured in SEDIMENTS

ESA Information

QP Profile Information

Certification Statement

Supporting Documents Owner Information ESA Information RSC Property Information ESA Reports Environmental Condition Phase One ESA Reports Contaminant Concentrations The date the last work on the records review, interviews and site reconnaissance components of the phase one environmental site assessment was done.

ESA Information 2011/01/28 *

Phase One ESA Reports Name of Consulting Type of Report * Report Title * Date of Report* Author of Report * Organization Phase Two ESA Reports Phase One ESA Phase One Environmental2011/05/17 Site Assessment,Kurt Hansen, Group P.Geo, 4, WestCH2M QPESA; Don Hill Lands, AliciaCanada Dibben,Toronto, Limited B.Sc.;Ontario, Edgar Final Taves, M.Sc. Phase One Reports and Other Documents

Phase Two Reports and Other Documents

QP Profile Information

Certification Statement

Supporting Documents Owner Information ESA Information RSC Property Information ESA Reports Environmental Condition Phase Two ESA Reports Contaminant Concentrations The date the last work on the planning of the site investigation and conducting the site investigation components of the phase two environmental site assessment was done.

ESA Information 2011/08/22 *

Phase One ESA Reports Name of Consulting Type of Report * Report Title * Date of Report* Author of Report * Organization Phase Two ESA Reports Phase Two ESA Phase Two Environmental2011/11/04 Site Assessment,Kurt Hansen, West P.Geo, Don CH2MLands, QPESA Hill Group ; CanadaSaeed 4, Final Khan,Limited P.Geo; Emily Keene, M.Sc. Phase One Reports and Other Documents

Phase Two Reports and Other Documents

QP Profile Information

Certification Statement

Supporting Documents Owner Information ESA Information RSC Property Information Reports and Other Documents Environmental Condition Phase 1 Reports and Other Documents Contaminant Concentrations List the Reports/Documents other than the document(s) used as your Phase 1 ESA relied on in certifying the information set out in Section 10 of Schedule A or otherwise used in conducting the Phase 1 ESA

ESA Information Name of Consulting Report Title Date of Report Author of Report Organization for Report Phase One ESA Reports Phase Two ESA Reports Phase One Reports and Other Documents

Phase Two Reports and Other Documents

QP Profile Information

Certification Statement

Supporting Documents Owner Information ESA Information RSC Property Information Reports and Other Documents Environmental Condition Phase 2 Reports and Other Documents Contaminant Concentrations List the Reports/Documents other than the document(s) used as your Phase 2 ESA relied on in making any certifications in the RSC in relation to the Phase 2 ESA or otherwise used in conducting the Phase 2 ESA

ESA Information Name of Consulting Report Title* Date of Report* Author of Report * Organization for Report Phase One ESA Reports Focussed Subsurface Investigation (ORC Project2008/07/03 No. D99027),Thomas 153 Eastern L. Guoth, Avenue, P.Eng;Conestoga-Rovers Toronto, Javnika Ontario H. Patel, (Draft& Associates B.A.Sc Report). Phase Two ESA Reports Phase II Environmental Site Assessment (ORC2008/04/01 Project No. D99027),Thomas 153 L. Guoth,Eastern P.Eng; Avenue,Conestoga-Rovers Javnika Toronto, H. Patel,Ontario & Associates B.A.Sc (Final Report) Phase One Reports and Other St. Lawrence Square Redevelopment Project1989/02/27 - East Section. SiteE.J. andChart, Facility P.Eng EnvironmentalMacLarentech Investigations, Inc. Volume I – Assessment Documents Ataratiri Soil Management Report 1991/08/26 J.A. Beechinor; O.P.Trow, Lund; Dames K.E. French; and Moore C.M. Pefhany Phase Two Reports and Other Memorandum (Errata #1) for Risk Assessment2011/03/03 for Group 4, WestJames Don Sprenger, Lands, Toronto, B.Sc.,CH2M QPRA;Ontario Hill Canada Krista Barfoot,Limited Ph.D., C.Chem. Documents Revised Risk Assessment, Group 4, West Don2011/02/09 Lands, Toronto,James Ontario Sprenger, B.Sc.,CH2M QPRA; Hill Canada Krista Barfoot,Limited Ph.D., C.Chem. QP Profile Information Risk Assessment, Group 4, West Don Lands,2010/12/22 Toronto, OntarioJames Sprenger, B.Sc.,CH2M QPRA; Hill Canada Krista Barfoot,Limited Ph.D., C.Chem. Risk Assessment, Group 4, West Don Lands,2010/09/21 Toronto, OntarioJames Sprenger, B.Sc.,CH2M QPRA; Hill Canada Krista Barfoot,Limited Ph.D., C.Chem. Certification Statement Email from CH2MHill to Risk Assessment Coordinator,2011/03/15 providingSteve responses Scandlen to MOECH2M additional Hill Canada comments/questions Limited on the RA and RMP Supporting Documents Owner Information QP Information RSC Property Information First Name * Middle Name Last Name * Environmental Condition Kurt Olav Hansen Which one of the following licences under Contaminant Concentrations the Professional Engineers Act do you hold? * None ESA Information Which one of the following memberships under the Professional Geoscientists Act do you hold? * QP Profile Information Membership Number * Practising Member 0341 QP Information Certification Statement Is the QP Employed? * Employer Name * Yes CH2M Hill Canada Limited Supporting Documents No

QP Contact Information

Phone Number * Fax Number * Email * (519) 579-3500 (519) 579-8986 [email protected]

QP Mailing Address Information

Street Number * Street Name * Apt No. / RR No.

72 Victoria Street 300

City, Town or Village * Province * Postal Code *

Kitchener ON N2G 4Y9 Owner Information QP Certification Statement B RSC Property Information As the qualified person, I certify that: *

Environmental Condition A phase one environmental site assessment of the RSC property, which includes the evaluation of the information gathered from a records review, site reconnaissance, interviews, a report and any updates required, has Contaminant Concentrations been conducted in accordance with the regulation by or under the supervision of a qualified person as required by the regulation. ESA Information A phase two environmental site assessment of the RSC property, which includes the evaluation of the information gathered from planning and conducting a site investigation, a report, and any updates required, has been conducted in accordance with the regulation by or under the supervision of a qualified person as QP Profile Information required by the regulation. The information represents the site conditions at the sampling points at the time of sampling only Certification Statement and the conditions between and beyond the sampling points may vary. QP Certification Statement As of 2011/08/23, in my opinion, based on the phase one environmental site assessment and the phase two environmental site assessment, and any confirmatory sampling, there is no evidence of Owner Certification Statement any contaminants in the soil, ground water or sediment on, in or under the RSC property that would interfere with the type of property use to which the RSC property will be put, as specified in the RSC. Supporting Documents As of 2011/08/23, in my opinion, based on the phase one and phase two environmental site assessments, and any confirmatory sampling, which included the sampling and analysis of soil, it is not necessary to conduct sampling and analysis of ground water quality for the RSC property to make the certified statement set out in paragraph 3 of section 17 of Schedule A. As of 2011/08/23, in my opinion, based on the phase one and phase two environmental site assessments and any confirmatory sampling, the RSC property meets the applicable full depth background site condition standards prescribed by section 34 of the regulation for all contaminants prescribed by the regulation in relation to the type of property use for which this RSC is filed, except for those contaminants (if any) specified in this RSC at Table 2, Maximum Contaminant Concentrations Compared to Standards Specified in a Risk Assessment. As of 2011/08/23, the maximum known concentration of each contaminant in soil, sediment and ground water at the RSC property for which sampling and analysis has been performed is specified in this RSC at Table 1, Maximum Contaminant Concentrations Compared to Applicable Site Condition Standards.

In relation to any contaminant excepted from the certification mentioned above as specified in the RSC at Part 2, Final Property Profile – Risk Assessment Standards, or in relation to any other contaminant that in my opinion is likely to cause an adverse effect:

A risk assessment was prepared for the contaminant with respect to the property for which the phase two environmental site assessment was conducted. The Director has accepted the risk assessment under clause 168.5 (1) (a) of the Act.

As of 2011/08/23, the property for which the phase two environmental site assessment was conducted meets the standards specified in the risk assessment for the contaminant.

I am a qualified person and have the qualifications required by section 5 of the regulation.

I have in place an insurance policy that satisfies the requirements of section 7 of the regulation.

I acknowledge that the RSC will be submitted for filing in the Environmental Site Registry, that records of site condition that are filed in the Registry are available for examination by the public and that the Registry contains a notice advising users of the Registry who have dealings with any property to consider conducting their own due diligence with respect to the environmental condition of the property, in addition to reviewing information in the Registry. The opinions expressed in this RSC are engineering or scientific opinions made in accordance with generally accepted principles and practices as recognized by members of the environmental engineering or science profession or discipline practising at the same time and in the same or similar location. I do not hold and have not held and my employer CH2M Hill Canada Limited does not hold and has not held a direct or indirect interest in the RSC property or any property which includes the RSC property and was the subject of a phase one or two environmental site assessment or risk assessment upon which this record of site condition is based To the best of my knowledge, the certifications and statements in this part of the RSC are true as of 2011/08/23. By signing this RSC, I make no express or implied warranties or guarantees.

I, the qualified person named below, on the date stated below, make all of the stated certifications applicable to the qualified person in this Part of the record of site condition.

Kurt Olav Hansen

2012/01/10 As of 2011/08/23, in my opinion, based on the phase one and phase two environmental site assessments and any confirmatory sampling, the RSC property meets the applicable full depth background site condition standards prescribed by section 34 of the regulation for all contaminants prescribed by the regulation in relation to the type of property use for which this RSC is filed, except for those contaminants (if any) specified in this RSC at Table 2, Maximum Contaminant Concentrations Compared to Standards Specified in a Risk Assessment. As of 2011/08/23, the maximum known concentration of each contaminant in soil, sediment and ground water at the RSC property for which sampling and analysis has been performed is specified in this RSC at Table 1, Maximum Contaminant Concentrations Compared to Applicable Site Condition Standards.

I do not hold and have not held and my employer CH2M Hill Canada Limited does not hold and has not held a direct or indirect interest in the RSC property or any property which includes the RSC property and was the subject of a phase one or two environmental site assessment or risk assessment upon which this record of site condition is based Owner Information Owner Certification Statement

RSC Property Information Click here to download Agent Form Environmental Condition

Contaminant Concentrations

ESA Information

QP Profile Information

Certification Statement

QP Certification Statement Owner Certification Statement Supporting Documents Owner Information Supporting Documents RSC Property Information Please note, only PDF attachments will be accepted with the exception of the Environmental Condition Property Specific Standard, which must be an Excel document. Proof of the owner’s authorization * Contaminant Concentrations WDL_RSC6_Owners_Authorization.pdf

ESA Information Lawyer’s letter consisting of a legal description of the property * WDL_RSC6_LawyersLetter.pdf QP Profile Information Copy of any deed(s), transfer(s) or other document(s) * Certification Statement WDL_RSC6_ParcelRegisters.pdf Supporting Documents A Current plan of Survey * WDL_RSC6_Boundaries.pdf Supporting Documents Property Specific Standards * WDL_RSC6_PSS.xls

Area(s) of Potential Environmental Concern * WDL_RSC6_Table1_APECs.pdf

Table of Current and Past Uses of the Phase One Property * WDL_RSC6_Table_2_Past_Current.pdf

Phase 2 Conceptual Site Model * WDL_RSC6_CSM_Final.pdf

Owner Certification Statement * WDL_RSC6_Owners_Certification.pdf

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ccX6U@SGPPcQSPEcPIU6SDPS@6GU`8PSQc##$#"X@TU9PIG6I9TcBDTcH6QADG@TcST8cBSPVQ%cG6SB@APSH6UfST87PVI96SD@THY9676U@T !! ()#&)!( Table 2: Maximum Contaminant Concentrations Compared to Standards Specified in a Risk Assessment

Risk Assessment Number RA1123-10 Applicable Site Condition Standard Table 1

Measured Concentration for Contaminants in Soil Contaminant Measurement type Measured Concentration Standard Specified in Risk Assessment Unit of Measurement Acenaphthene Measured 9.01 10 mg/kg Acenaphthylene Measured 2.17 2.6 mg/kg Acetone < MDL Value of 40 40 mg/kg Anthracene Measured 20.1 24 mg/kg Antimony Measured 98 110 mg/kg Arsenic Measured 41 49 mg/kg Barium Measured 1100 1300 mg/kg Benzene < MDL Value of 0.8 0.8 mg/kg Benz[a]anthracene Measured 40.8 48 mg/kg Benzo[a]pyrene Measured 38.6 46 mg/kg Benzo[b]fluoranthene Measured 1.1 1.3 mg/kg Benzo[b+j]fluoranthene Measured 29.8 46 mg/kg Benzo[ghi]perylene Measured 19.9 23 mg/kg Benzo[k]fluoranthene Measured 28.6 34 mg/kg Beryllium < MDL Value of 3 3 mg/kg Boron (Hot Water Soluble)* Measured 1.41 2.7 mg/kg Bromodichloromethane < MDL Value of 0.8 0.8 mg/kg Bromoform < MDL Value of 0.8 0.8 mg/kg Bromomethane < MDL Value of 1.2 1.2 mg/kg Cadmium Measured 8.7 10 mg/kg Carbon Tetrachloride < MDL Value of 0.8 0.8 mg/kg Chlorobenzene < MDL Value of 0.8 0.8 mg/kg Chloroform < MDL Value of 0.8 0.8 mg/kg Chromium Total Measured 159 190 mg/kg Chromium VI Measured 7.4 8.8 mg/kg Chrysene Measured 39.4 47 mg/kg Cobalt Measured 26.3 31 mg/kg Copper Measured 490 580 mg/kg Cyanide (CN-) Measured 0.147 0.21 mg/kg Dibenz[a h]anthracene Measured 3.38 6 mg/kg Dibromochloromethane < MDL Value of 0.8 0.8 mg/kg Dichlorobenzene, 1,2- < MDL Value of 0.8 0.8 mg/kg Dichlorobenzene, 1,3- < MDL Value of 0.8 0.8 mg/kg Dichlorobenzene, 1,4- < MDL Value of 0.8 0.8 mg/kg Dichlorodifluoromethane < MDL Value of 0.25 0.25 mg/kg Dichloroethane, 1,1- < MDL Value of 0.8 0.8 mg/kg Dichloroethane, 1,2- < MDL Value of 0.8 0.8 mg/kg Dichloroethylene, 1,2-trans- < MDL Value of 0.8 0.8 mg/kg Dichloroethylene, 1,1- < MDL Value of 0.8 0.8 mg/kg Dichloroethylene, 1,2-cis- Measured 1.2 1.4 mg/kg Dichloropropane, 1,2- < MDL Value of 0.8 0.8 mg/kg Dichloropropene,1,3- < MDL Value of 1.6 1.6 mg/kg Dimethylphenol, 2,4- Measured 0.23 0.27 mg/kg Dioxin/Furan (TEQ) Measured 0.000084 0.0001 mg/kg Electrical Conductivity (uS/cm) Measured 1200 1400 uS/cm Ethylbenzene < MDL Value of 0.8 0.8 mg/kg Ethylene dibromide < MDL Value of 0.8 0.8 mg/kg Fluoranthene Measured 103 120 mg/kg Fluorene Measured 10.2 12 mg/kg Hexane (n) < MDL Value of 0.25 0.25 mg/kg Indeno[1 2 3-cd]pyrene Measured 25.8 30 mg/kg Lead Measured 660 790 mg/kg Manganese Measured 2200 2600 mg/kg Mercury Measured 2.63 3.1 mg/kg Methyl Ethyl Ketone < MDL Value of 10 10 mg/kg Methyl Isobutyl Ketone < MDL Value of 10 10 mg/kg Methyl Mercury ** Measured 0.00122 0.0014 mg/kg Methyl tert-Butyl Ether (MTBE) < MDL Value of 0.8 0.8 mg/kg Methylene Chloride < MDL Value of 1.2 1.2 mg/kg Methlynaphthalene, 2-(1-) *** Measured 5 6.8 mg/kg Molybdenum Measured 19.1 22 mg/kg Naphthalene Measured 5.25 6.3 mg/kg Nickel Measured 132 150 mg/kg Petroleum Hydrocarbons F1**** Measured 72.6 150 mg/kg Petroleum Hydrocarbons F2 Measured 1820 2100 mg/kg Petroleum Hydrocarbons F3 Measured 3780 6000 mg/kg Petroleum Hydrocarbons F4 Measured 6620 7300 mg/kg Phenanthrene Measured 98.8 110 mg/kg Polychlorinated Biphenyls Measured 1.35 1.6 mg/kg Pyrene Measured 94.5 110 mg/kg Selenium Measured 4.2 5 mg/kg Silver < MDL Value of 3 3 mg/kg Sodium Adsorption Ratio Measured 12.15 14 no units Styrene < MDL Value of 0.8 0.8 mg/kg Tetrachloroethane, 1,1,1,2- < MDL Value of 0.8 0.8 mg/kg Tetrachloroethane, 1,1,2,2- < MDL Value of 0.8 0.8 mg/kg Tetrachloroethylene Measured 2 3.8 mg/kg Thallium Measured 1.47 1.7 mg/kg Toluene Measured 1.6 6 mg/kg Trichloroethane, 1,1,1- Measured 4 4.8 mg/kg Trichloroethane, 1,1,2- < MDL Value of 0.8 0.8 mg/kg Trichloroethylene Measured 0.9 1 mg/kg Vanadium Measured 90 100 mg/kg Vinyl Chloride < MDL Value of 0.8 0.8 mg/kg Xylene Mixture Measured 2.8 5.8 mg/kg Zinc Measured 2800 3300 mg/kg Measured Concentration for Contaminants in Ground Water Contaminant Measurement type Measured Concentration Standard Specified in Risk Assessment Unit of Measurement Anthracene Measured 0.403 0.48 ug/L Antimony Measured 1.58 1.8 ug/L Arsenic Measured 14 16 ug/L Benz[a]anthracene Measured 1.21 1.4 ug/L Benzo[a]pyrene Measured 1.41 1.6 ug/L Benzo[b+j]fluoranthene Measured 1.22 1.4 ug/L Benzo[ghi]perylene Measured 1.02 1.2 ug/L Benzo[k]fluoranthene Measured 1.03 1.2 ug/L Bromomethane < MDL Value of 3 3 ug/L Carbon Tetrachloride < MDL Value of 0.5 0.5 ug/L Chromium Total Measured 19.2 23 ug/L Chrysene Measured 1.33 1.5 ug/L Cobalt Measured 5.66 6.7 ug/L Copper Measured 8 9.6 ug/L Dibenz[a h]anthracene Measured 0.263 0.31 ug/L Dichlorobenzene, 1,2- < MDL Value of 1 1 ug/L Dichlorobenzene, 1,3- < MDL Value of 1 1 ug/L Dichlorobenzene, 1,4- < MDL Value of 1 1 ug/L Dichloroethane, 1,1- Measured 9.2 11 ug/L Dichloroethylene, 1,1- Measured 2.06 2.4 ug/L Dichloroethylene, 1,2-cis- Measured 5.63 6.7 ug/L Dichloropropene,1,3- < MDL Value of 2 2 ug/L Dioxane, 1,4 Measured 85 100 ug/L Ethylene dibromide < MDL Value of 1 1 ug/L Fluoranthene Measured 2.81 3.3 ug/L Indeno[1 2 3-cd]pyrene Measured 1 1.2 ug/L Mercury Measured 0.29 0.34 ug/L Nickel Measured 16 19 ug/L Phenanthrene Measured 2.99 3.5 ug/L Polychlorinated Biphenyls Measured 6.43 7.7 ug/L Pyrene Measured 2.21 2.6 ug/L Selenium Measured 6.8 8.1 ug/L Sodium Measured 1700000 2000000 ug/L Tetrachloroethane, 1,1,2,2- < MDL Value of 1 1 ug/L Tetrachloroethylene Measured 50.4 60 ug/L Thallium Measured 0.62 0.74 ug/L Toluene < MDL Value of 1 1 ug/L Trichloroethane, 1,1,1- Measured 21.6 25 ug/L Trichloroethane, 1,1,2- < MDL Value of 1 1 ug/L Trichloroethylene Measured 6.96 8.3 ug/L Uranium Measured 12.1 14 ug/L Vanadium Measured 16.7 20 ug/L Vinyl Chloride < MDL Value of 1 7.6 ug/L Zinc Measured 192 230 ug/L RSC TABLE 1 Areas of Potential Environmental Concern Record of Site Condition 6, Group 4, Toronto, ON

32 - Iron and Steel Former Foundry - Historical presence of onsite foundry. Potential deposition of South of the St. Lawrence Street and APEC-115 DFC Manufacturing and Onsite Metal hydrides, metals, PAHs, and PCBs Groundwater and soil materials to surface soils. Eastern Avenue intersection Processing 28 - Gasoline and Potential Former UST - Potential former UST located at 171 Eastern Avenue. Southeast of the St. Lawrence Street and APEC-129 DFC Associated Products' Onsite PHCs and BTEX Groundwater and soil Potential for spills or leaks. Eastern Avenue intersection Storage in Fixed Tanks 55 - Transformer Former Transformer - Oil transformer which contained PCBs located inside 185 Southwest of the St. Lawrence Street and APEC-131 DFC Manufacturing, Processing, Onsite PCBs and PHCs Groundwater and soil Eastern Avenue building Eastern Avenue intersection and Use Former Drum and Scrap Storage - MacLarentech identified drum and scrap Southeast of the St. Lawrence Street and 58 - Waste Disposal or APEC-132 DFC Onsite Metal hydrides, metals, PHCs, and BTEX Groundwater and soil material stored along the east fence line during their site visit. Eastern Avenue intersection Waste Management 55 - Transformer Former Transformer - Historic reports indicated the presence of an electrical Southwest of the St. Lawrence Street and APEC-133 DFC Manufacturing, Processing, Onsite PHCs, BTEX, and PCBs Groundwater and soil enclosure on the northeast corner of the property, adjacent to Eastern Avenue. Eastern Avenue intersection and Use Former Drum Storage and Storage Tanks - The MacLarentech facility investigation reported a number of drums being stored at the back end of the Southwest of the St. Lawrence Street and 58 - Waste Disposal or APEC-134 DFC Onsite PAHs, PHCs, BTEX, metal hydrides, and metals Groundwater and soil property, along the south and east walls, and along the fence at the west side of Eastern Avenue intersection Waste Management the property. Chemical Leak (Solvent) - Printing solvent leak was identified in the Southwest of the St. Lawrence Street and PCA not listed - Other, APEC-135 DFC Onsite VOCs, SVOCs, and PAHs Groundwater and soil MacLarentech investigation at 169 Eastern Avenue. Eastern Avenue intersection Spills, leaks, or releases Material Storage - located within the south west portion of 185 Eastern Avenue Southwest of the St. Lawrence Street and 58 - Waste Disposal or APEC-136 DFC Onsite PHCs and PAHs Groundwater and soil inside the building, includes waste oil and flammable substances Eastern Avenue intersection Waste Management 4 - Antifreeze and De-icing Material Storage - located within garage portion leased by It's My Potty at 185 Southwest of the St. Lawrence Street and APEC-137 DFC Manufacturing and Bulk Onsite VOCs Groundwater and soil Eastern Avenue, includes antifreeze and propylene glycol. Eastern Avenue intersection Storage 14 - Crude Oil Refining, Possible Oil Storage - located in area adjacent to former machine shop Southwest of the St. Lawrence Street APEC-139 DFC Processing, and Bulk Onsite PHCs, PCBs, and PAHs Groundwater and soil associated with the Dominion Wheel Foundry listed as "Oils Building" on the FIP. and Eastern Avenue intersection Storage Potential Sump - located in the northwest corner of 169 Eastern Avenue on the Southwest of the St. Lawrence Street and 58 - Waste Disposal or Metal hydrides, metals, PAHs, PHCs, BTEX, and APEC-140 DFC Onsite Groundwater and soil main floor. Eastern Avenue intersection Waste Management PCBs APECs from off-site PCAs to the North Former Metal Company/Scrap Yard – DCS identified the presence of a rag and 49 - Salvage Yard, Northeast of the St. Lawrence Street and Metals, Metal Hydrides, PAHs, PHCs, PCBs, and APEC-250 metal company and a scrap metal yard located at 190 Eastern based on FIPs Blocks 5, 10, and 20 including automobile Offsite Groundwater and soil Eastern Avenue intersection VOCs from 1951 and 1973, respectively. wrecking 28 - Gasoline and Former Fuel AST - AST for diesel/gasoline storage located at 190 Eastern Northeast of the St. Lawrence Street and APEC-306 Block 5 Associated Products' Offsite PHCs, BTEX, and Metals Groundwater and soil Avenue Eastern Avenue intersection Storage in Fixed Tanks 49 - Salvage Yard, Former Smelter/Scrap Yard - Historical presence of adjacent smelting and Northeast of the St. Lawrence Street and APEC-307 Block 5 including automobile Offsite Metals, Metal Hydrides, PAHs, VOCs, and PCBs Groundwater and soil refining (190 Eastern). Potential historic atmospheric deposition to soil. Eastern Avenue intersection wrecking

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Oil/Water Separator, Scrap Metal Yard and Potential Former UST - A suspect three-stage oil/water separator was observed along the interior western wall of the building at 150 Eastern Avenue. A scrap yard was also present on this Northwest of the St. Lawrence Street and 58 - Waste Disposal or OFF-001 Outside the WDL SAA Offsite PHCs, BTEX, metals, and PAHs Groundwater and soil property. An UST was also located at this property (142 Eastern then) in 1936. It Eastern Avenue intersection Waste Management is unknown if the UST is still in place. In-ground hoists were also likely present on the site.

Former Automotive Shops - MacLarentech identified automotive shops located 27 - Garages and on historic block J, and historical property use was for a welding company, a Northwest of the St. Lawrence Street and Maintenance and Repair of OFF-003 Outside the WDL SAA Offsite Metals, PAHs, PHCs, and BTEX Groundwater and soil metal processing plant, a scrap metal salvage operation, a waste cloth processor Eastern Avenue intersection Railcars, Marine Vehicles, and a foundry. and Aviation Vehicles

Potential Former UST - Potential former UST located at 156 Eastern (now 158 28 - Gasoline and Northwest of the St. Lawrence Street and OFF-004 Eastern) in 1930. Potential for spills or leaks. In ground trenches were also Outside the WDL SAA Associated Products' Offsite PHCs and BTEX Groundwater and soil Eastern Avenue intersection identified on the site. Storage in Fixed Tanks

Vehicle Maintenance Shop – During their 2004 site visit, DCS noted the presence of a vehicle maintenance shop (associated with a taxi company) located on an 27 - Garages and adjacent property (across St. Lawrence Street). In the WESA investigation, Northwest of the St. Lawrence Street and Maintenance and Repair of OFF-031 tetrachloroethylene (PCE) was identified during the site visit as currently being Outside the WDL SAA Offsite PHCs, VOCs, PAHs, and Metals Groundwater and soil Eastern Avenue intersection Railcars, Marine Vehicles, used as part of a sink and drum style parts washer. Significant staining was and Aviation Vehicles observed in the area of the washer and other parts of the building. Open drums of an oily substance was stored outside the building.

APECs from off-site PCAs to the East 28 - Gasoline and Potential Former UST - Potential former UST located east of the Dominion Southeast of the St. Lawrence Street and Boron (hot water soluble), PHCs, BTEX, metal APEC-116 Block E Associated Products' Offsite Groundwater and soil Foundry Complex. Potential for spills or leaks. Eastern Avenue intersection hydrides, metals, and PAHs Storage in Fixed Tanks Former Sump Pit - During their 2004 site reconnaissance, DCS noted the Southeast of the St. Lawrence Street and 58 - Waste Disposal or Metal hydrides, metals, PAHs, PHCs, BTEX, and APEC-117 Block E Offsite Groundwater and soil presence of a sump pit in the basement of 195/197 Eastern Avenue. Eastern Avenue intersection Waste Management PCBs 28 - Gasoline and Former Fuel ASTs - During their 2004 site reconnaissance, DCS noted the Southeast of the St. Lawrence Street and APEC-119 Block E Associated Products' Offsite PHCs and BTEX Groundwater and soil presence of Fuel ASTs in the basement of the former 195/197 Eastern Avenue. Eastern Avenue intersection Storage in Fixed Tanks 28 - Gasoline and Former Gas Station - DCS reports that 197 Eastern was registered as a gas Southeast of the St. Lawrence Street and APEC-121 Block E Associated Products' Offsite PHCs and BTEX Groundwater and soil station in 2004. Eastern Avenue intersection Storage in Fixed Tanks 55 - Transformer Former Transformer - A transformer was identified to be present in a warehouse Southeast of the St. Lawrence Street and APEC-122 Blocks E and 20 Manufacturing, Processing, Offsite Boron (hot water soluble), PHCs, and PCBs Groundwater and soil of a railway operation. Eastern Avenue intersection and Use 30 - Importation of Fill Fill quality - discolouration and staining was observed along the western edge of Southeast of the St. Lawrence Street and Boron (hot water soluble), PAHs, metal hydrides, APEC-124 Block E Material of Unknown Offsite Groundwater and soil Block E adjacent the DFC area and stormwater management ditch. Eastern Avenue intersection and metals Quality

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52 - Storage, maintenance, fuelling and repair of Former Spill - of 20 litres of diesel to the environment from 197 Eastern Avenue Southeast of the St. Lawrence Street and APEC-126 Block E equipment, vehicles, and Offsite Boron (hot water soluble), PHCs, and BTEX Groundwater and soil when a hose on a bus broke in 1991. Eastern Avenue intersection material used to maintain transportation systems

Waste Generator - Voyageur Colonial Ltd and DMS were listed as a waste Southeast of the St. Lawrence Street and 58 - Waste Disposal or APEC-128 Block E Offsite PHCs, BTEX, PAHs, metal hydrides, and metals Groundwater and soil generator (oil/petroleum) for 197 Eastern Avenue from 1989 to 2004. Eastern Avenue intersection Waste Management APECs from off-site PCAs to the South

Former Railway Spurs - The property was once used for rail spur lines. Railway Blocks A-E/Roads 1-5 (R1- Northeast of the Cherry Street and Front 46 - Rail Yards, Tracks, Metal hydrides, metals and inorganics, PAHs, APEC-110 ballast can contain metals and PAHs. Spills of transported materials are likely to Offsite Groundwater and soil 5) Street intersection and Spurs PHCs, VOCs, and PCBs occur during the loading and unloading of material where the rail line "ends."

Material Storage - located south of the 185 Eastern Avenue (DFC) buildings 4 - Antifreeze and De-icing Southeast of the St. Lawrence Street and Boron (hot water soluble), VOCs, PAHs, metal APEC-123 which contained numerous 205-litre empty plastic drums/barrels formerly Block E Manufacturing and Bulk Offsite Groundwater and soil Eastern Avenue intersection hydrides, metals, and glycol containing propylene glycol. Storage Existing ASTs - two ASTs are located south of the 185 Eastern Avenue (DFC) 28 - Gasoline and Southeast of the St. Lawrence Street and APEC-125 near the south east corner of the construction fencing. Tanks contained diesel Block E Associated Products' Offsite PAH, PHCs, metal hydrides, metals Groundwater and soil Eastern Avenue intersection and kerosene. Storage in Fixed Tanks

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Location of APEC2 Contaminants of Potential Concern (based on Media Potentially Impacted Areas of Potential Environmental Concern (APEC) ID1 PCA3 Location of PCA AP Methods Group4) (groundwater and/or soil) Block Reference Location APECs from off-site PCAs to the West 58 - Waste Disposal or PCB registered Site - registered with amounts up to 920 litres at 104 Eastern Waste Management Avenue with transformers listed for the mid 1990s to early 2000s. Additionally, a Northwest of the St. Lawrence Street and OFF-012 gravel-filled pit was located along the west end of the building wall that may have Outside the WDL SAA Offsite PCBs, PHCs, and BTEX Groundwater and soil Eastern Avenue intersection 28 - Gasoline and been the location of a former oil-water separator, and a potential UST may have Associated Products' been located on the property. Storage in Fixed Tanks Former Potential UST - a gasoline tank was identified registered in 1920 at 131 28 - Gasoline and Northwest of the St. Lawrence Street and OFF-013 Eastern Avenue, historical reports indicate a previous UST installed prior to 1973 Outside the WDL SAA Associated Products' Offsite PHC, BTEX, and Metals Groundwater and soil Eastern Avenue intersection in the south east corner of the building at 145 Eastern. Storage in Fixed Tanks Southeast of the Eastern Avenue and 58 - Waste Disposal or OFF-014 Former Waste Dump - Active in the 1890's known as the St. Lawrence Square Outside the WDL SAA Offsite Metals, PHCs, PCBs, and PAHs Groundwater and soil Cherry Street intersection Waste Management

51 - Solvent Manufacturing, Former Dip Tank - A dip tank which may have held solvents was used within the Southwest of the St. Lawrence Street and OFF-015 Outside the WDL SAA Processing, and Bulk Offsite VOCs Groundwater and soil building. Eastern Avenue intersection Storage

28 - Gasoline and Potential Former UST - Two standpipes were noted to be located at the Southwest of the St. Lawrence Street and OFF-062 Outside the WDL SAA Associated Products' Offsite PHCs and BTEX Groundwater and soil northwest corner of the 153 Eastern building during the MLT investigation. Eastern Avenue intersection Storage in Fixed Tanks Notes: "–" – Denotes unknown or data not readily available for review PAHs – Polycyclic aromatic hydrocarbons AP – Analytical protocol PCA – Potentially contaminating activities APEC – Area of potential environmental concern PCBs – Polychlorinated biphenyls AST – Aboveground storage tank PHCs – Petroleum hydrocarbons BH – Borehole RSC - Record of Site Condition B-HWS – Boron (Hot Water Soluble) SAR – Sodium adsorption ratio BTEX – benzene, toluene, ethylbenzene, and xylene SVOCs - Semivolatile organic compounds BVA – Bayview Avenue UST – Underground storage tank Cr(VI) – Hexavalent chromium VOCs – Volatile organic compounds DCS – Decommissioning Consulting Services, Ltd. WDL SAA - West Don Lands Site Assessment Area DFC - Dominion Foundry Complex 1 Refer to Figure 2 of the CSM Appendix for APEC locations EC – Electrical conductivity 2 Refer to Figure 2 of the CSM Appendix for Block layout FIP - fire insurance plan 3 PCA – Potentially contaminating activity (as listed in Schedule D, Table 2, of O.Reg. 153/04, as amended). ID - identification 4 As noted in the "Protocol for Analytical Methods Used in the Assessment of Properties under Part XV.1 of the Environmental Protection Act", March 9, 2004, O. Reg. - Ontario regulation amended as of July 1, 2011.

Metals and Inorganics typically include: metals, hydride-forming metals, pH, SAR, EC, chloride, cyanide, Cr(VI), mercury, and B-HWS Information in this table pertains to the Record of Site Condition (RSC) 6, which is located within the Phase Two Property (Group 4) of the West Don Lands Site Assessment Area (WDL SAA)

4045430501_ES062210073121KWO © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Page 4 of 4 Attachment CSM TABLE 1 Correlation of WDL Block and Phase One/Phase Two Plans of Subdivision Naming Conventions1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON RSC Group WDL SAA Block Plan of Subdivision Block Phase One Plan of Subdivision 2 7 MIL-N Block 16 8 MIL-S Block 17 11 MIL-E Block 18 11 BVA Block 19 Phase Two Plan of Subdivision 3 4 3 L Part of Block 5 4 SR 5 Blocks 19 and 7 6 6 5A Blocks 1 and 14 5 C Block 15 5 D Block 16 6 5R1 Blocks 2 and 24 5 R4 Block 25 5 R2 Block 27 5 B Block 3 5 R5 Block 30 5 R3 Block 31 5 FST-N Block 33 5 E Block 4 6 DFC Block 17 7 F Block 10 7 G Block 11 7 H Block 12 7 I Block 13 7 R6 Block 21 7 R7 Block 22 7 R8 Block 23 7 FST-S Block 34 7 FR Block 6 7 8 DE Block Block 20 8 TTC Block 28 8 JR Block 29 7 8 R9 Block 32 7 8 J Block 8 7 8 K Block 9 16 153 Eastern Block 26

Notes: Additional information for areas outside of the RSC property are included for reference purposes only. 1. This table presents only those Blocks for which there are differences between the WDL SAA Block and the Phase One/Phase Two Block naming conventions. 2. Refers to registered Plan of Subdivision 66M-2473. 3. Refers to registered Plan of Subdivision 66M-2488. 4. Block L includes additional land outside of the Phase Two Plan of Subdivision. 5. Block SR extends further west outside of the Phase Two Plan of Subdivision. 6. The single WDL SAA Block has become two Blocks under the Phase Two Plan of Subdivision. 7. The boundaries of Block 32 (Road Allowance R9) differ slightly on the final plan of subdivision from earlier draft plans and site plans showing Road Allowance R9. The boundaries of adjacent Blocks J, K, and DE also differ slightly. Overall, there is no change in the RSC Property boundaries.

BVA - Bayview Avenue MIL-E - Mill Street East CSM - Conceptual Site Model MIL-N - Mill Street North DE - District Energy MIL-S - Mill Street South DFC - Dominion Foundry Complex RSC - Record of Site Condition FR - F Roads SR - S Roads FST-N - Front Street North TTC - Toronto Transit Commission FST-S - Front Street South WDL - West Don Lands JR - J Roads WDL SAA - West Don Lands Site Assessment Area

4045430801_ES060811222210TOR © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Page 1 of 1 RSC TABLE 2 Current and Past Occupants from Phase One Report Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON Inferred Inferred Property Block Description of Use (as per Other Observations from Aerial Reference Year Owner1 Name of Occupant Property Use Regulatory Types) Photograph, Fire Insurance Plans, Etc. DFC 2011 MOI It’s My Potty Storage and Commercial Based on site observations and interviews, It’s Absolute Rentals commercial My Potty, Absolute Rentals, Affiliated Affiliated Equipment operations Equipment, Greater Toronto Community Clearing House, a former film set, and Medic Greater Toronto Community One are using the three-building complex Clearing House located within Block DFC. Former film set Medic One 2010 MEI2 It’s My Potty Storage and Commercial Based on site observations and interviews, It’s Absolute Rentals commercial My Potty, Absolute Rentals, Affiliated Affiliated Equipment operations Equipment, Greater Toronto Community Clearing House, a former film set, and Medic Greater Toronto Community One are using the three-building complex Clearing House located within Block DFC. Former film set Medic One 2005 Unknown Unknown Unknown Commercial Based on the aerial photos, six buildings were present within Block DFC. 1999 Unknown MSR Inc. Computer and Commercial MSR Inc., Greater Toronto Community Greater Toronto Community software store Clearing House, and Technology Learning Clearing House Offices Community were listed in the City Directory. Technology Learning Community 1995 Unknown MSR Inc. Computer and Commercial MSR Inc. and S T M Systems Corp. Electronic S T M Systems Corp. software store Print were listed in the City Directory. Electronic Print Printing Operations 1991 Unknown Unknown Unknown Commercial Based on the aerial photos, six buildings were present within Block DFC. 1990 Unknown MSR Inc. Computer and Commercial MSR Inc. and S T M Systems Corp Electronic S T M Systems Corp software store Print were listed in the City Directory. Electronic Print Printing operations 1988 M&S Printers (169 Cambell/Abbot, CSG Offices, mail Commercial Owners were listed in the 1989 MacLarentech Eastern) MSR Inc. house, computer report Deokali Invest. Ltd Brown Boveri Canada facility (171 Eastern) Offices Metcorp Ltd. (185 Vacant Eastern) 1985/86 Unknown Canron Inc Railway mtce Railway Commercial Canron Inc. was listed in the City Directory. maintenance Based on aerial photos, six buildings were present within Block DFC. 1980 Unknown Brown-Boveri Service Centre Railway Commercial Brown-Boveri Service Centre was listed in the maintenance City Directory. 1975 Unknown Canron Ltd. Eastern Ave Automatic tamper Commercial Canron Ltd. Eastern Avenue Plant was listed Plant manufacturing and in the City Directory. sales Based on aerial photos, there were seven buildings present within Block DFC. 1970 Unknown Canron Ltd. Foundries Automatic Industrial Canron Ltd. Foundries and Canron Ltd. Canron Ltd. (Electrical manufacturing and (Electrical Division) were listed in the City Division) sales Directory. Automatic manufacturing and sales 1965 Unknown Unknown Unknown Industrial Based on aerial photos, there were five buildings present within Block DFC. 1960 Unknown Canada Iron Foundries Iron and metal Industrial Canada Iron Foundries and Wickett & Craig Wickett & Craig Ltd. Leather work Ltd. Leather were listed in the City Directory. Leather tannery 1955 Unknown Railway & Power Engineering Railway Industrial Railway & Power Engineering Corp. Ltd. Corp. Ltd. (#169) maintenance (#169), Canadian Botfield Refractories Co. Canadian Botfield Ltd. (cement), Canadian Controllers Ltd., Refractories Co. Ltd. (cement) Various industrial Dominion Wheel & Foundries Ltd, Anglo Canadian Controllers Ltd. operations such as Canadian Wire Rope Co. Ltd., Dominion, Scott, Barron, Ltd. (chemical processing Dominion Wheel & Foundries foundry, cement, equipment), Morganite Carbon Products Ltd. metal, tannery, Canada Ltd., Morgan Crucible Co Ltd. Anglo Canadian Wire Rope and chemical processing (foundry spls), and Wickett & Craig Co. Ltd. Ltd.Leather were listed in the City Directory. Dominion, Scott, Barron, Ltd. (chemical processing equipment) Morganite Carbon Products Canada Ltd. Morgan Crucible Co Ltd. (foundry spls) Wickett & Craig Ltd. Leather 1954 Unknown Unknown Unknown Industrial Based on aerial photos, there were five buildings present within Block DFC.

4045430501_ES050610083429TOR Page 1 of 2 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 RSC TABLE 2 Current and Past Occupants from Phase One Report Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON Inferred Inferred Property Block Description of Use (as per Other Observations from Aerial Reference Year Owner1 Name of Occupant Property Use Regulatory Types) Photograph, Fire Insurance Plans, Etc. 1951 Unknown Unknown Foundry with Industrial Foundry with storage area and machine shop. storage area and Carbon products storage area. machine shop Transformer in one of the foundry buildings Carbon products Possible oil storage in the area adjacent to the storage area foundry’s machine shop, based on the FIPs. Transformer in one of the foundry buildings Possible oil storage in the area adjacent to the foundry’s machine shop 1950 Unknown Morganite Carbon Products Terminal and Industrial Morganite Carbon Products Canada Ltd. and Canada Ltd. connector product Wickett & Craig Ltd. Leather were listed in the Wickett & Craig Ltd. Leather supplier City Directory. Leather tannery 1946 Unknown Unknown Unknown Industrial Based on aerial photos, there were five buildings present within Block DFC. 1945, Unknown Railway & Power Engineering Offices Industrial Railway & Power Engineering Corp Ltd., CNR 1940 Corp Ltd. Railroad activities Storage Warehouse, and Wickett & Craig Ltd. CNR Storage Warehouse Leather tannery Leather were listed in the City Directory. Wickett & Craig Ltd. Leather 1939 Unknown Unknown Unknown Industrial Based on aerial photos, there were four buildings present within Block DFC. 1935, Unknown Railway & Power Engineering Offices Industrial Railway & Power Engineering Corp Ltd. and 1930 Corp Ltd. Railroad activities CNR Storage Warehouse were listed in the CNR Storage Warehouse City Directory. 1925 Unknown CNR Storage Railway related Industrial CNR Storage was listed in the City Directory. storage 1919, Unknown Residential tenant Residential Industrial and A residential tenant was listed in the City 1914, Residential Directory. 1909 1904 Unknown Residential tenant Residential Industrial and A residential tenant and Clarke & Clarke were Clarke & Clarke Leather tannery residential listed in the City Directory. 1899, Unknown Residential Tenant Residential Industrial and A residential tenant and Clarke A R & Co. 1894, Clarke A R & Co. Leather tannery residential were listed in the City Directory. 1890 1885, Unknown Unknown Unknown Industrial and The address was not listed in the City 1880, residential Directory. 1875

Notes: CNR – Canadian National Railway DFC – Dominion Foundry Complex FIP – fire insurance plan MEI – Ontario Ministry of Energy and Infrastructure MOI – Ontario Ministry of Infrastructure O. Reg. – Ontario Regulation RSC – Record of Site Condition

1MEI - Ontario Ministry of Energy and Infrastructure, former name of Ontario Ministry of Infrastructure 2A chain-of-title search dating back to the first developed use was not completed for the RSC Property. Instead, a City Directory search was conducted to determine the occupants to provide a more thorough assessment on the environmental condition of the Property to meet the objective of O. Reg. 153/04, as amended.

4045430501_ES050610083429TOR Page 2 of 2 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Attachment CSM TABLE 1 Correlation of WDL Block and Phase One/Phase Two Plans of Subdivision Naming Conventions1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON RSC Group WDL SAA Block Plan of Subdivision Block Phase One Plan of Subdivision 2 7 MIL-N Block 16 8 MIL-S Block 17 11 MIL-E Block 18 11 BVA Block 19 Phase Two Plan of Subdivision 3 4 3 L Part of Block 5 4 SR 5 Blocks 19 and 7 6 6 5A Blocks 1 and 14 5 C Block 15 5 D Block 16 6 5R1 Blocks 2 and 24 5 R4 Block 25 5 R2 Block 27 5 B Block 3 5 R5 Block 30 5 R3 Block 31 5 FST-N Block 33 5 E Block 4 6 DFC Block 17 7 F Block 10 7 G Block 11 7 H Block 12 7 I Block 13 7 R6 Block 21 7 R7 Block 22 7 R8 Block 23 7 FST-S Block 34 7 FR Block 6 7 8 DE Block Block 20 8 TTC Block 28 8 JR Block 29 7 8 R9 Block 32 7 8 J Block 8 7 8 K Block 9 16 153 Eastern Block 26

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1. Phase Two CSM, RSC 6, RA Group 4 Property ...... 1-1 1.1 Potentially Contaminating Activities ...... 1-2 1.1.1 Areas of Potential Environmental Concern on the RSC Property ...... 1-2 1.1.2 Adjacent Properties ...... 1-3 1.2 APEC Disposition ...... 1-4 1.3 Physical Setting ...... 1-5 1.4 Soil Quality ...... 1-7 1.4.1 Fill Unit Soil Quality Assessment...... 1-8 1.4.2 Native Silt/Clay Till Unit Soil Quality Assessment ...... 1-10 1.4.3 Soil Remediation Excavation ...... 1-11 1.4.4 Soil Quality at the RSC Property Boundaries ...... 1-12 1.5 Groundwater Quality ...... 1-12 1.5.1 Fill Aquifer Groundwater Quality Assessment ...... 1-13 1.5.2 Till Unit Groundwater Quality Assessment ...... 1-14 1.5.3 Bedrock Aquifer Groundwater Quality Assessment ...... 1-14 1.5.4 Groundwater Quality at the RSC Property Boundaries ...... 1-15 1.6 Environmentally Sensitive Areas ...... 1-15 1.7 Vapour Intrusion ...... 1-15 1.8 Contaminant Pathways and Receptors ...... 1-16 1.9 Proposed Future Land Use ...... 1-16 1.10 Conclusion ...... 1-16 1.11 References ...... 1-16

Tables

1 Correlation of WDL Block and Phase One/Phase Two Plans of Subdivision Naming Conventions 2 APEC Disposition Summary – RSC Property 3 COCs Identified in Soil at the RSC Property 4 COCs Identified in Groundwater at the RSC Property

Figures

1 Phase One, Risk Assessment/Phase Two, RSC Property, and Subdivision Plan Boundaries 2 Areas of Potential Environmental Concern and Sampling Locations 3 Municipal Subsurface Utilities, Existing and Proposed 4 Cross-Section Locations 5 Conceptual Cross-Section A-A' 6 Conceptual Cross-Section B-B' 7 Conceptual Cross-Section C-C' 8 Interpreted Peat Distribution

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9 Fill Groundwater Contours (January 10-11, 2011) 10 Till Groundwater Contours (January 10-11, 2011) 11 Shallow Bedrock Groundwater Potentiometric Map (January 10–11, 2011) 12 Soil Exceedances in Fill—Metals and Inorganics and General Chemistry 13 Soil Exceedances in Fill—SVOCs and PCBs 14 Soil Exceedances in Fill—VOCs 15 Soil Exceedances in Fill—PHCs 16 Soil Exceedances in Till—Metals and Inorganics and General Chemistry 17 Soil Exceedances in Till—SVOCs and PCBs 18 Soil Exceedances in Till—VOCs 19 Soil Exceedances in Till—PHCs 20 Groundwater Exceedances—Fill 21 Groundwater Exceedances—Till 22 Locations with pH Analytical Data 23 Human Health Site Conceptual Exposure Model 24 Ecological Site Conceptual Exposure Model

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Infrastructure Ontario (IO) retained CH2M HILL Canada Limited (CH2M HILL) in April 2010 to provide environmental services for the properties located within the City of Toronto, Ontario (City) known as the West Don Lands (WDL). The WDL are approximately 32 hectares (ha), almost 24 ha of which are provincially owned by the Ontario Ministry of Infrastructure (MOI) and managed by IO. On behalf of the MOI, IO is seeking to prepare the WDL for revitalization—a goal that includes constructing the 2015 Pan American (Pan Am) Games Athletes’ Village (PAAV) and related facilities. The specific properties within the WDL included in CH2M HILL’s larger program scope are referred to as the West Don Lands Site Assessment Area (WDL SAA). The WDL SAA has been subdivided into various “Blocks” for the purposes of redevelopment and management of the land and properties, including environmental investigations, and these Blocks were defined through a Plan of Subdivision process. Selected Blocks within the WDL SAA have been grouped together into 4 distinct areas for completing Phase One Environmental Site Assessments (ESAs), 9 distinct areas for completing the Phase Two ESAs and Risk Assessments (RAs), and 11 distinct areas for completing Records of Site Condition (RSCs). Figure 1 shows the boundaries of the WDL SAA and the Phase Two ESA groupings. During previous investigations, CH2M HILL worked with the Block designations reflected in this text, related figures, and tables. Since the initial work, some of the Blocks have been renamed through the Plan of Subdivision process, and the relationship between the Blocks is provided in conceptual site model (CSM), Table 1. Overall, there is no change in the RSC Property boundaries due to the Block renaming. This Phase Two Conceptual Site Model (CSM) pertains to RSC 6 (herein referred to as the RSC Property), which comprises the same area investigated for the Phase Two ESA (CH2M HILL, 2011c) for Group 4 (herein referred to as the Phase Two Property). The Phase Two Property was also addressed in its entirety in the Ontario Ministry of the Environment (MOE)–approved RA for Group 4 (No. 4846-89CQ2U [CH2M HILL, 2011a). The RA developed property-specific standards (PSSs) for assessment of soil and groundwater conditions. The RSC Property is estimated to be 0.8 ha and comprises the area encompassed by the Phase Two Property, which consists of the DFC Block; Universal Transverse Mercator (UTM) coordinates (North American Datum [NAD] 83, Zone 17) of the centric of the RSC Property are 632629.0 easting and 4834797.2 northing. A Phase Two CSM specific to the RSC Property and based on recent and historical Phase Two ESA work is provided herein, as required under Ontario Regulation (O. Reg.) 153/04, as amended (MOE, 2011b).

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1.1 Potentially Contaminating Activities At the time of the ESA investigations, portions of the WDL SAA were under construction in support of the proposed redevelopment, which aims to rezone the former industrial lands to parkland, residential, institutional, community, and commercial land uses. The WDL SAA includes former industrial properties that have become vacant or been converted to commercial use. Numerous environmental investigations and studies have been conducted on much of the WDL since 1988. Based on data from historical investigations, the Phase One ESA (CH2M HILL, 2011b) and the Phase Two ESA (CH2M HILL, 2011c), several areas within the RSC Property have confirmed soil or groundwater contamination as a result of extensive historical industrial activities. During the Phase One ESA conducted by CH2M HILL, a number of Areas of Potential Environmental Concern (APECs) and potentially contaminating activities (PCAs) were identified. As summarized from the Phase One ESA (CH2M HILL, 2011b), 11 APECs attributable to onsite PCAs were identified on the RSC Property, and 23 APECs were identified as being attributable to offsite PCAs located within 250 metres (m) of the RSC Property. Figure 2 illustrates the APEC locations attributable to onsite PCAs for the RSC Property. APECs attributable to offsite PCAs that have been deemed to have the potential to affect the RSC Property have been conservatively assumed to affect the entire RSC Property. CH2M HILL has provided unique identifiers for each of the PCAs on the Phase One Property and within the Phase One Study Area. To minimize the number of naming conventions and duplicate identifiers for each PCA and APEC, each of the PCAs and APECs has been given a distinct identifier, such as APEC-101. RSC Table 1, attached separately to the RSC submittal, summarizes the APECs on the RSC Property attributable to onsite and offsite PCAs. 1.1.1 Areas of Potential Environmental Concern on the RSC Property CH2M HILL completed a Phase One ESA for an area that included the RSC Property to summarize the current, historical, and other sources of information, as required under O. Reg. 153/04, as amended (MOE, 2011b). Based on this review, the following PCAs and their associated APEC descriptions (from the historical and 2010/2011 ESA investigations) were identified within the RSC Property:

Iron and Steel Manufacturing Processing: Former Foundry within the Dominion Foundry Complex (DFC) Block (Block 17 of Plan 66M-2488). Waste Disposal or Waste Management: Former drum and scrap storage associated with the DFC Block; material storage in the southwest portion of 185 Eastern Avenue inside the building, including waste oil and flammable substances; material storage located within 185 Eastern Avenue, including antifreeze and propylene glycol; and a potential sump located in the northwest corner of 169 Eastern Avenue on the main floor. Crude Oil Refining, Processing, and Bulk Storage: Possible oil storage associated with the DFC Block. Spills, leaks, or releases (PCA not listed under O. Reg. 153/04, as amended): Chemical solvent leak and potential sump at 169 Eastern Avenue, a two-storey building located on the RSC Property

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Gasoline and Associated Products Storage in Fixed Tanks: Potential former underground storage tank (UST) located at 171 Eastern Avenue, a two-storey building interconnected with 169 Eastern Avenue, located on the RSC Property. Transformer Manufacturing, Processing, and Use: Former transformer and material storage at 185 Eastern Avenue (a one-storey building on the RSC Property), including storage of waste oil and flammable substances, antifreeze, propylene glycol, and a transformer associated with an electrical enclosure immediately west of the RSC Property, at 153 Eastern Avenue. The APEC boundaries related to the transformer extend onto the RSC Property. 1.1.2 Adjacent Properties The following list describes the properties adjacent to the RSC Property. Figure 2 provides an aerial view of the RSC Property and the immediately adjacent properties:

North: Eastern Avenue is immediately north of the RSC Property. Between Eastern Avenue and Adelaide Street East lies a small strip of land which, at the time of the Phase One ESA, included properties dedicated to light-industrial land uses and properties with recently demolished buildings (that had previously been dedicated to light-industrial land use). These properties are planned to be redeveloped as the proposed Underpass Park for parkland use. East: Blocks E (Block 4 of Plan 66M-2488), 10, and 20 (which are part of the WDL SAA) are immediately east of the RSC Property. Beyond these Blocks are Bayview Avenue (BVA) and the proposed Don River Park (Block 9), with an access road, a railway, and the Don River located beyond. These other Blocks are located within the hoarding of the WDL construction area and are proposed to be dedicated to residential, community (roads), and parkland use in the future. South: Immediately south of the RSC Property lies the WDL construction area, which contains additional Blocks, including: Blocks D (Block 16 of Plan 66M-2488) and E, and Road Allowance (R) 3 (Block 31 of Plan 66M-2488) and R5 (Block 30 of Plan 66M-2488). Those Blocks are part of the WDL SAA. Further south are Front Street East (FST-E), containing Blocks Front Street (FST), Front Street North (FST-N) (Block 33 of Plan 66M-2488), and Front Street South (FST-S) (Block 34 of Plan 66M-2488), as well as Blocks F to K (Blocks 8 to 13 of Plan 66M-2488), DE (Block 20 of Plan 66M-2488), F Road (FR) (Block 6 of Plan 66M-2488), J Road (JR) (Block 29 of Plan 66M-2488), Toronto Transit Commission Loop (TTC) (Block 28 of Plan 66M-2488), Mill Street, and R6 to R9 (Blocks 21, 22, 23, and 32 of Plan 66M-2488). These Blocks are proposed for community (roads), institutional and residential land uses in the future. These Blocks are currently vacant, with ongoing construction activities occurring. West: A building with the municipal address of 153 Eastern Avenue (153 Eastern) is immediately west of the RSC Property. The historical use of this property was industrial, and it is currently used for storage. The 153 Eastern facility and those buildings within the DFC were once part of the same complex. The 153 Eastern facility is within the WDL SAA. Proposed roads (community land use) and additional Blocks with proposed institutional and residential uses are immediately west of 153 Eastern. These include: Blocks A to C (Blocks 1, 3, 14, and 15 of Plan 66M-2488), R1 (Blocks 2 and 24 of Plan 66M-2488), R2 (Block 27 of Plan 66M-2488), and R4 (Block 25 of Plan 66M-2488). A self-storage facility (All City Storage), which is within the WDL but outside the WDL SAA, is located at 145 Eastern Avenue.

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The following offsite PCAs (from the historical and 2010/2011 ESA investigations), which could potentially impact the RSC Property, were identified as being located within 250 m of the RSC Property as summarized from the Phase One ESA (CH2M HILL, 2011b):

Antifreeze and De-icing Manufacturing and Bulk Storage: Storage south of the 185 Eastern Avenue (DFC) buildings that contained numerous 205-litre (L) empty plastic drums/barrels formerly containing propylene glycol, south of the RSC property.

Garages and Maintenance and Repair of Railcars, Marine Vehicles, and Aviation Vehicles: Former automotive shops and vehicle maintenance shops located north of the RSC Property.

Gasoline and Associated Products Storage in Fixed Tanks: ASTs for diesel/gasoline storage at 190 Eastern Avenue, potential former UST at 156 Eastern Avenue registered in 1930, potential former UST located east of the DFC, former fuel ASTs in the basement of the former 195/197 Eastern Avenue, former gas station at 197 Eastern Avenue, ASTs containing diesel and kerosene located south of 185 Eastern Avenue, potential former UST at 131 Eastern Avenue, and a potential former UST at 153 Eastern Avenue.

Importation of Fill Material of Unknown Quality: Discolouration and staining were observed adjacent to the DFC area in a stormwater management ditch east of the RSC Property.

Rail Yards, Tracks, and Spurs: Railway spurs formerly located south of the RSC Property.

Salvage Yard, Including Automobile Wrecking: A former metal company/scrap yards located at 190 Eastern Avenue, north of the RSC Property.

Solvent Manufacturing, Processing, and Bulk Storage: Former dip tank located at 153 Eastern Avenue, west of the RSC Property.

Storage, maintenance, fuelling and repair of equipment, vehicles, and material used to maintain transportation systems: former spill (20 L) of diesel at 197 Eastern Avenue, east of the RSC Property.

Transformer Manufacturing, Processing, and Use: former transformer was identified to be east of the RSC Property.

Waste Disposal or Waste Management: Former sump pit and waste generator located east of the RSC property, oil–water separator located north of the RSC property, a former waste dump located west of the RSC property, and a polychlorinated biphenyl (PCB) registered storage site located north of the RSC Property. 1.2 APEC Disposition Table 2 of this CSM summarizes the APECs and PCAs identified with the RSC Property from the Phase One ESA in a spreadsheet format, which has been expanded to include the scope and results of the Phase Two ESA activities completed and the analytical results obtained for the RSC Property. APECs resulting from offsite PCAs were consolidated into four groups based on their cardinal direction (north, south, east, or west) from the RSC Property because the sampling boundaries assessed the soil and groundwater impacts from these directions. In the far-right column of the table are summary comments and conclusions, such as “no exceedances

4045430801_ES060811222210TOR 1-4 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 PHASE TWO CONCEPTUAL SITE MODEL, RECORD OF SITE CONDITION 6, RA GROUP 4 PROPERTY were identified” or “sampling activities have captured the parameters of concern and the APEC has been fully investigated.” At the time of the Phase Two ESA, the RSC Property was being used for commercial use, including storage. Three buildings were present within the RSC Property at the time of the Phase Two ESA site investigation. The Phase One ESA identified buildings formerly present within the RSC Property (CH2M HILL, 2011b). Without additional information, it has been assumed that foundations and former buildings might exist in place below grade. Therefore, additional building-related rubble could be present below grade within this area. In selected portions of the RSC Property, soil was both excavated from and imported into the RSC Property as part of remediation activities to address areas where contaminants had been identified at concentrations exceeding PSSs developed in the RA. In addition, concrete structures and debris encountered during remediation excavation were removed and transported offsite for recycling. Details concerning a remedial excavation are provided in Appendix M of the Phase Two Report (CH2M HILL, 2011c) and are summarized in Section 1.4.3 of this document. Soil imported as part of site redevelopment activities will be documented in the Site Plan required in the Certificate of Property Use (CPU) (MOE, 2011c). Appendix M also serves as the Confirmation and Verification report, as required in Section 4.2 (h) of the draft CPU 0433-8F3LB4 (MOE, 2011c).

Underground utilities are present surrounding the RSC Property, as shown in Figure 3. Utility conduits might affect local groundwater flow conditions. However, based on the available information, there is no indication that these utilities are creating preferential pathways for the migration of identified localized groundwater impacts. 1.3 Physical Setting The geologic conditions at the RSC Property have been characterized as four stratigraphic units consisting of fill materials from the surface to 1 to 3 metres below ground surface (mbgs), underlain by a thin silt layer that is underlain by an approximately 4-m-thick layer of native silt or clay till, underlain by a weathered shale bedrock. The fill is composed of unconsolidated, brown to grey silts and sands, with little to some clay and gravel. The fill typically contains debris, such as brick, glass, concrete, asphalt, and slag. Material consistent with foundry sand was noted on boring logs from limited areas within the fill on the RSC Property. The fill is underlain by a layer of silt that is 0 to 2.5 m thick. A thin (<0.5-m) layer of peat was identified overlying the silt at a geotechnical boring immediately south and adjacent to the RSC Property, but the peat layer was not present in any boreholes drilled by CH2M HILL or in historical boreholes in the RSC Property. The peat layer is, therefore, not included as a distinct unit within the RSC Property. The silt layer is underlain by an approximately 4-m-thick layer of native silt or clay till. This native silt or clay till is underlain by bedrock beginning at approximately 5 to 8 mbgs, based on historical borings advanced at the RSC Property. Three geologic cross-sections were constructed across the RSC Property to show the stratigraphic section that comprises the shallow, unconsolidated sediments beneath the site. Figure 4 shows the three cross-section locations; Figures 5, 6, and 7 are the cross-sections A-A', B-B', and C-C’, respectively. Figure 8 shows the location of the discontinuous peat layer that is interpreted to be near the southern portion of the RSC Property.

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Three main hydrostratigraphic units were found at the RSC Property; these units include a fill aquifer, a native silt/clay till aquitard, and a shallow bedrock aquifer. The fill aquifer extends across the RSC Property and the WDL SAA. The native silt/clay till aquitard extends across the RSC Property and contains deposits of silt and silty clay to clayey silt till that exhibit low permeability and underlie the fill aquifer. A weathered shale bedrock aquifer was identified underlying the aquitard at three historical borehole locations on the RSC Property (MacLarentech, 1989). During the Phase Two ESA, CH2M HILL installed 21 monitoring wells within the RSC Property, with 15 monitoring wells screened in the fill aquifer or across the fill and shallow native soil (fill wells) and 6 monitoring wells screened within the native silt/clay till aquitard. Two of the monitoring wells installed within the fill materials did not produce sufficient water for sampling. Six rounds of groundwater and free-product level measurements were performed from September 2010 through January 2011. Free-phase hydrocarbons were not detected in the monitoring wells during the water and free-product level monitoring events. The average depth to groundwater was calculated to be 2.32 mbgs, using the January 2011 water-level measurements. The hydraulic properties of the aquifers at the RSC Property have been evaluated from results of single well tests conducted in and immediately adjacent to the RSC Property. Test results obtained from outside the RSC Property are applicable because they were conducted in similar geologic strata in close proximity to the RSC Property. Within the RSC Property, CH2M HILL conducted two slug tests at two wells (DFC-MW0005A and DFC-MW0009) screened in the fill aquifer and two slug tests at two wells (DFC-MW0005B and DFC-MW0006) screened in the native silt/clay till aquitard. There are no wells in the bedrock aquifer in the RSC Property; therefore, single well test results from adjacent properties within the WDL SAA were considered. The single-well response test results were compared within the context of the range of values at the WDL noted from the recent Phase Two characterization effort by CH2M HILL and the LVM Inc. (LVM) geotechnical characterization study (2010), as well as from historical hydraulic conductivity (K) test results (INTERA, 2005). Hydraulic testing by CH2M HILL at fill aquifer wells DFC-MW0005A and DFC-MW0009 generated estimated average K values of 1.89×10-8 and 1.31×10-8 metres per second (m/sec), respectively. The fill aquifer K test results are within the historical reported range, near the minimum geometric mean values of K determined by historical test results (INTERA, 2005). Test results at monitoring wells screened in the aquitard within the RSC Property by CH2M HILL at DFC-MW0005B and DFC-MW0006 provided average estimated K values of 2.89×10-9 m/sec and 7.21×10-9 m/sec, respectively. The K values for the native silt/clay till aquitard in the RSC Property are near the minimum geometric mean values of K determined by historical test results (INTERA, 2005), and are approximately an order of magnitude lower than those for the fill aquifer. Historical K test results for the bedrock aquifer in the adjacent property to the west and the adjacent property to the south estimated the geometric mean value K as 4.5×10-7 m/sec. Groundwater occurred under unconfined conditions in the fill aquifer at depths from 1.97 to 2.69 mbgs during January 2011 (Figure 9). The groundwater levels collected during the Phase Two ESA indicate that groundwater flow direction in the fill unit at the WDL SAA generally is from west to east, which is consistent with previous investigations. However, at the RSC

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Property, it is interpreted that groundwater in the fill appears to flow to the west and east toward a low in the northwest portion of the site. At the eastern edge of the RSC Property, groundwater in the fill flows in the direction of the Don River. Based on interpreted equipotential contours derived from the groundwater-level measurements obtained on January 10 and 11, 2010, the horizontal hydraulic gradient of the fill aquifer in the RSC Property was estimated to be 0.015 metres per metre (m/m). Within the RSC Property, groundwater occurred under confined conditions in the native silt/clay till aquitard at depths ranging from 0.27 to 6.13 mbgs and generally flowed to the southeast (see Figure 10). Based on interpreted equipotential contours derived from the groundwater-level measurements obtained on January 10 and 11, 2010, the horizontal hydraulic gradient of the native silt/clay till aquitard in the RSC Property was estimated to be 0.008 m/m to the south. The head differences observed in the native silt/clay till aquitard are more variable than those in the fill aquifer, resulting in changes to the estimated vertical gradient. Generally, downward hydraulic gradients were observed from fill aquifer to the native silt/clay till aquitard. Generally, vertical gradients from the fill aquifer to the native silt/clay aquitard are near neutral across the Property. At monitoring wells DFC-MW0017 and DFC-MW0018, a downward vertical gradient of 0.08 m/m was observed. However, given a migration pathway, groundwater would tend to flow horizontally in the fill rather than vertically through the native silt/clay till aquitard. Previous studies have indicated that the native silt/clay till aquitard exhibits low permeability, and as a result, horizontal flow through the unit is negligible (INTERA, 2005; DCS, 2006). Therefore, flow in the native silt/clay till aquitard will likely be dominated by the vertical component, not the horizontal component. Water-level measurements obtained in the native silt/clay till aquitard are sensitive to the vertical placement of the well screens due to the vertical gradient between the fill and the lower units. Because of these factors, horizontal flow in the native silt/clay till aquitard is considered insignificant due to its low permeability. Monitoring wells were not installed in the bedrock aquifer within the RSC Property by CH2M HILL because it was determined that the native silt/clay till aquitard was protective of vertical migration of contaminants to the bedrock. An overall bedrock groundwater flow direction was developed within the context of data from adjacent properties to the east and south. From this perspective, the groundwater potentiometric surface map for the shallow bedrock aquifer generated from measurements taken on January 10 and 11, 2011 (see Figure 11) depicts groundwater flow in an overall westerly direction. However, the regional bedrock groundwater flow direction is expected to be east toward the Don River or south toward Lake Ontario. 1.4 Soil Quality The following sections discuss the soil quality in the various stratigraphic units and compares the analytical results with the applicable Table 1, Full Depth Background Site Condition Standards (Table 1 SCS) (MOE, 2011a), using both historical data and data from the 2010/2011 ESA investigations. Section 3.2 of the Phase Two Report (CH2M HILL, 2011c) discusses the use and reliability of historical data in assessing soil quality. The Table 1 SCS were deemed to be applicable to the Phase Two Property and the RSC Property because pH results from surface soil samples (<1.5 mbgs) were above a pH of 9 in eight samples. Therefore, the RSC Property is considered environmentally sensitive. In Figures 12

4045430801_ES060811222210TOR 1-7 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 PHASE TWO CONCEPTUAL SITE MODEL, RECORD OF SITE CONDITION 6, RA GROUP 4 PROPERTY through 21, contaminants of concern (COCs) in soil and groundwater were compared to the Table 1 SCS and were additionally compared to the Table 3 Full Depth Generic Site Condition Standards in a Non-Potable Ground Water Condition (Table 3 Standard) for coarse-grained soils for residential property use (MOE, 2011a). The comparison to the Table 3 Standard was used to provide additional perspective regarding the nature and extent of COCs that might occur at elevated concentrations and to identify the areas with more significant impacts. The nature and extent of potential soil and groundwater contamination was investigated for each identified APEC, as well as for the assessment of the RSC Property in its entirety. The results of the investigation are summarized on an APEC-by-APEC basis in Table 2 of this CSM, and sample locations are shown in Figure 2. The generalized nature and extent of soil contamination for specific geologic units at the RSC Property is illustrated in cross-sections A-A' , B-B', and C-C’, shown in Figures 5, 6, and 7 respectively, with references to plan view maps depicting more detailed distribution of impacted soil, provided in Figures 12 through 19. To assess the subsurface conditions at the 0.8-ha RSC Property, CH2M HILL examined the lithologies recorded from a total of 58 soil borings on the RSC Property installed during the Phase Two ESA and historical investigations. These include 39 soil borings (21 completed as monitoring wells) installed by CH2M HILL during the Phase Two ESA and 19 borings (four of which were completed as monitoring wells) from historical investigations. In terms of vertical delineation, the exceedances were generally found throughout the fill layer, as depicted in Figures 5, 6, and 7. In locations where impacts directly attributable to specific releases or activities were found to extend below the fill materials, the impacts primarily occurred in the upper portions of the native silt/silt or clay till. The vertical and horizontal extent of impacts in relation to exceedances of Table 1 SCS has been defined sufficiently for Phase Two ESA and RSC purposes. As shown in CSM Table 3, 86 soil COCs specific to the RSC property were carried forward in the RA after screening against the Table 1 SCS, as summarized in the RA (CH2M HILL, 2011a). These chemicals were carried through to the Human Health Risk Assessment (HHRA) and the Ecological Risk Assessment (ERA). PSSs were developed for each COC. Figures 12 through 15 show the soil-sampling locations and indicate the exceedances in the fill material for the various contaminant groups at levels above the Table 1 SCS and the Table 3 Standard. The Table 3 Standard is used for reference purposes, to provide additional perspective regarding the nature and extent of COCs, and to identify the areas with more significant impacts. Table 1 SCS exceedances are shown with red dots. The concentrations of metals and inorganic compounds, sodium adsorption ratio (SAR); electrical conductivity (EC); petroleum hydrocarbons (PHCs); benzene, toluene, ethylbenzene, and xylene (BTEX); volatile organic compounds (VOCs); PCBs; and polycyclic aromatic hydrocarbons (PAHs) in the soil were found at levels exceeding the Table 1 SCS. The following subsections summarize the locations of exceedances according to stratigraphic unit. 1.4.1 Fill Unit Soil Quality Assessment There were 128 samples collected and analyzed from 55 locations in the fill unit within the RSC Property during the Phase Two ESA and historical investigations.

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Additional details regarding the frequency, distribution, and identification of COCs in the fill unit are as follows:

VOCs exceeded the Table 1 SCS in 16 of 49 samples collected at 36 locations where VOCs were analyzed. Compounds that were detected and exceeded the Table 1 SCS included BTEX compounds (maximum concentration of 5 micrograms per gram [μg/g] toluene; 4.9 μg/g xylene mixture), as well as chlorinated volatile organic compounds (CVOCs) (tetrachlorethylene [PCE]; trichloroethylene [TCE]; and 1,1,1-trichloroethane [1,1,1-TCA] at maximum concentrations of 3.2, 0.9, and 4 μg/g, respectively). PAHs were widespread in fill and were detected at concentrations exceeding the Table 1 SCS in 32 of 50 samples at 41 locations analyzed for PAHs. Some of the highest concentrations reported were fluoranthene (103 μg/g), phenanthrene (98.8 μg/g), and pyrene (94.5 μg/g). Samples were collected from zones identified as foundry sand in three borings and analyzed for phenolic compounds. 2,4-dimethylphenol was detected at one location at levels below the Table 1 SCS. No other phenolic compounds were detected. PHCs were detected at concentrations exceeding the Table 1 SCS in 24 of 55 samples at 43 locations analyzed for PHCs. Maximum concentrations were 126, 1,820, 15,400, and 3,700 μg/g for PHC fraction (F)1, F2, F3, and F4, respectively. In addition, there was a Table 1 SCS exceedance for PHC F4 gravimetric (F4G) (Gravimetric Analysis) of 21,000 μg/g within APEC-134. The elevated PHC samples were collected from areas near former drum storage areas and storage tanks (APEC-134); drum, scrap, and antifreeze storage areas (APEC-132 and APEC-137); chemical leaks (APEC-135); or around the DFC. Four locations were identified that had detected soil concentrations exceeding the MOE Soil Component Free Phase Threshold Values for PHCs (MOE, 2009) in fill. The four locations were CRA08G1-BH014 (F4G detected at 21,000 g/g), CRA08G1-BH009 (PHC F3 detected at 11,000 g/g), DFC-BH0002 (PHC F3 detected at 15,400 g/g), and DFC-BH0010 (PHC F3 detected at 13,100 g/g). A fill-unit monitoring well (DFC-MW0008) was installed downgradient of locations CRA08G1-BH009 and CRA08G1-BH014 to further evaluate the potential for free product. PHCs were not detected in soil collected from this monitoring well location. Discussion of groundwater quality is provided in the following Section 1.5. PCBs were detected at concentrations exceeding the Table 1 SCS in 1 out of 23 samples at 18 locations analyzed for PCBs. The exceedance was from a sample (DFC-SS0001) collected on the west side of the RSC Property along the fence line near the transformer located within APEC-133 to evaluate the potential for a release of PCBs onto the RSC Property. It is notedthat the transformer is actually located just outside the RSC Property to the west, and shallow soil sampling was completed along the western fence line on the RSC Property. At each sampling location, a discrete soil sample was collected from the surface at the 0 to 15 cm bgs interval and at the 15 to 30 cm bgs depth interval. Surface soil samples were analyzed for PCB aroclors, PCB congeners, dioxins, and furans. Samples for dioxins and furans were collected from two locations within APEC-133. The calculated toxicity equivalent (TEQ) of each sample exceeded the Table 1 SCS of 0.000007 μg/g, with a maximum TEQ of 0.000084 μg/g. Samples for dioxins and furans were also collected from three locations within APEC-131. At one location (DFC-MW0019), the maximum calculated TEQ was 0.000058 μg/g, which exceeded the Table 1 SCS of

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0.000007 μg/g. This sample was of shallow subslab soil from a borehole located in the transformer room (APEC-131) of 185 Eastern Avenue (DFC-MW0019). Concentrations in a deeper sample collected from this location did not exceed the Table 1 SCS. Metals and inorganic compounds were detected at concentrations exceeding the Table 1 SCS in 51 of 63 samples at 45 locations analyzed for metals and organics. Elevated concentrations were found most frequently for lead, mercury, and cyanide. Metals were distributed across the entire RSC Property and appear to be related to the fill materials that were placed in these areas, as well as to historical site operations, such as the foundry. Samples were collected from zones identified as foundry sand in three borings and analyzed for manganese, with concentrations ranging from 313 to 2,200 g/g. General chemistry parameters were detected at concentrations that exceeded the Table 1 SCS for EC in 11 out of 46 samples collected from 34 locations. SAR exceeded the Table 1 SCS at 8 out of 44 samples collected from 32 locations. Exceedances occurred throughout the RSC Property. The maximum EC value was 1,190 microSiemens per centimetre (μS/cm), while the maximum SAR result was 5.34. Glycol parameters were analyzed at one location (APEC-137) at which antifreeze and glycol had been stored. No glycols were detected. 1.4.2 Native Silt/Clay Till Unit Soil Quality Assessment Forty-eight samples were collected and analyzed from 30 locations in the native silt/clay till aquitard soils in the RSC Property during the Phase Two ESA and historical investigations. Native silt/clay till soils were found to be impacted from activities associated with historical industrial use of the Property to a lesser extent than the surficial fill materials. Overall, impacts above the Table 1 SCS in the native soils were found at fewer locations and generally at lower concentrations than in the overlying fill materials. Additional details regarding the frequency, distribution, and identification of COCs in the till unit are as follows:

VOCs exceeded the Table 1 SCS in 3 out of 29 samples from 23 locations at which VOCs were analyzed. VOCs exceeding the Table 1 SCS included methylene chloride and benzene, which were detected close to the Table 1 SCS in samples within the DFC (APEC-115) and near the former drum storage and storage tanks (APEC-134). PAHs were detected in native till soils at concentrations exceeding the Table 1 SCS in 1 of 17 samples from 16 locations analyzed for PAHs in a sample taken near the former drum storage and storage tanks (APEC-134). Exceedances were reported for most PAHs analyzed. The individual PAH concentrations reported were below 5.6 μg/g. PHCs were detected at concentrations exceeding the Table 1 SCS in 7 of 34 samples at 28 locations analyzed for PHCs, with maximum concentrations of 22, 350, and 140 μg/g for PHC F2, F3, and F4, respectively. PHC F1 was not detected. The highest concentrations occurred near the former drum storage and storage tanks (APEC-134) and were below the site-specific free-phase-product threshold values. PCBs were not detected at concentrations exceeding the Table 1 SCS in the 10 samples from seven locations analyzed for PCBs.

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Metals and inorganic compounds were detected at concentrations exceeding the Table 1 SCS in 9 out of 23 samples at 20 locations analyzed for metals and inorganics. Metals and inorganics that exceeded Table 1 SCS were molybdenum, cyanide, cadmium, and barium. General chemistry parameters were detected at concentrations that exceeded the Table 1 SCS for EC in 5 of 19 samples from 17 locations and for SAR in 3 of 17 samples from 15 locations. The maximum EC value was 1,200 μS/cm, while the maximum SAR result was 12.15. In locations where impacts directly attributable to specific releases or activities were found to extend below the fill materials, the impacts primarily occurred in the upper portions of the native silt/clay till aquitard. The vertical and horizontal extents of impacts above the Table 1 SCS have been sufficiently defined for RSC ESA purposes for the identified releases. 1.4.3 Soil Remediation Excavation Concentrations of all soil and groundwater parameters were below the PSSs developed in the RA for the site— with the exception of PHC F3 or F4 in four borehole soil sampling locations (CRA08G1-BH009, CRA08G1-BH014, DFC-BH0010, and DFC-BH0002) in the southwest corner of the DFC Block. As a result, and in support of the filing of a RSC and subsequent redevelopment activities, soil remediation was required at the site to reduce contaminant concentrations that exceeded the PSSs. CH2M HILL developed a soil investigation and remediation program with the objective of removing soils exceeding the established PSSs for of PHC F3 and F4 at the RSC Property. Nine test pit excavations were advanced on May 12, 2011, in the southwestern corner of the RSC property to further delineate the extent of the PHC PSS exceedances. The remedial excavation activities commenced on August 22, 2011 and were completed on August 24, 2011. The location and extent of the final remedial excavation area are shown in Figures 12 through 15. Soil excavation commenced in the area with PSS exceedances, where stains and PHC odour were observed. As the remedial excavation progressed, soils from the excavation walls and floor were assessed in the field for visual and/or olfactory evidence of soil contamination, including presence of staining, odours, and/or unusual soil characteristics. Fill material was encountered from the ground surface to the excavation bottom (1.5 mbgs) and consisted mostly of silt with gravel, including construction and concrete debris. Concrete foundation structures (footing walls) were observed within the excavation area. The remedial excavation was advanced until the predefined excavation limit (based on the May 12, 2011 test pit sampling and previously completed Phase Two ESA results) had been reached or until field screening suggested that the soil exceeding the PSS had, potentially, been removed. Concrete foundation walls encountered during the soil excavation were left in place and did not restrict the removal of impacted soil or the confirmatory sample collection. The estimated volume of the concrete foundation walls left in place is approximately 10 cubic metres (m3). The final area and depth of the remedial excavation are 265 square metres (m2) and approximately 1.5 mbgs, respectively. The estimated in-ground soil volume removed was therefore 388 m3. The excavation was continued until confirmation sampling results indicated that soils exceeding the applicable PSS had been removed (CH2M HILL, 2011c). A total of eight sidewall samples (including one duplicate) and seven floor samples (including one duplicate) were collected from the excavation sidewalls and floor for analysis of BTEX and PHC F1 to F4, a sampling frequency that exceeds the minimum confirmatory sampling requirements for

4045430801_ES060811222210TOR 1-11 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 PHASE TWO CONCEPTUAL SITE MODEL, RECORD OF SITE CONDITION 6, RA GROUP 4 PROPERTY remedial excavations for a floor area of 250 to 500 m2 required under O. Reg. 153/04, as amended (MOE, 2011b). The confirmatory sample results were compared with the Group 4 PSSs for BTEX and PHC F1 to F4. The location and extent of the remedial excavation is outlined in Figures 12 though 15. The locations of confirmatory samples along the excavation wall and floor documenting that soil is below the PSS are also shown in Figures 12 thorough 15. The remediation activities are documented in the Group 4, Soil Remediation and Confirmation Sampling Report in Appendix M of the Phase Two Report (CH2M HILL, 2011c). Results of the chemical analyses indicate the following:

All final confirmatory wall and floor soil samples met the PSSs for the parameters analyzed.

The final lateral excavation limits were defined by the confirmatory samples that met the PSSs at the excavation limits. Soil in a stockpile on the RSC Property and stockpiled soil from the Group 1 RA Property were evaluated prior to backfilling to determine whether the soils in the stockpiles were suitable for use as backfill material. Soil samples were submitted for laboratory analysis of all of the primary WDL COCs. The results of the laboratory analyses indicated that the stockpiled soil concentrations were below the PSSs for the RSC Property, and was suitable for use as backfill for the remedial excavation. All soil excavated from the site was transported to the Newalta Corporation disposal facility in Stoney Creek, Ontario (CH2M HILL, 2011c). A total of 712.4 tonnes of soil was excavated. An estimated 80 m3 of onsite soil from the stockpile was used for backfill. In addition, an estimated 220 m3 of backfill material from the stockpile in the Group 1 RA Property was used to backfill the excavation. Approximately 182.8 tonnes (estimated volume of 83 m3) of crushed limestone was brought onsite for use as a surface treatment for the test pit excavations (23.5 tonnes) and for remedial excavation (159.3 tonnes). The crushed limestone was considered an aggregate (considered 19 millimetres [mm] to 50 mm in size) and was obtained as virgin material from an Ontario Ministry of Natural Resources licensed quarry; no analytical testing was performed on this material. 1.4.4 Soil Quality at the RSC Property Boundaries Metals, PHC, PAH, VOC, and PCB impacts above the Table 1 SCS in the fill were confirmed in samples from the area adjacent to the RSC Property. Till soils in the surrounding area are affected to a lesser extent by metals, PHCs, PAHs, and VOCs above the Table 1 SCS. The impacts do not appear to be originating from activities within the RSC Property but are related either to impacts from fill or to historical activities on the adjacent properties. 1.5 Groundwater Quality Groundwater sampling was conducted across the RSC Property during the Phase Two ESA and historical investigations, with 16 wells (historical and recently installed) sampled in the fill aquifer and 7 wells (historical and recently installed) sampled in the native silt/clay till aquitard. The laboratory analytical results (both recent and historical) for groundwater are compiled and compared with the Table 1 SCS, with generalized extent displayed in cross- sections A-A', B-B', and C-C’ shown in Figures 5, 6, and 7, respectively.

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As shown in CSM Table 4, 44 COCs in groundwater specific to the RSC property were carried forward in the RA after being screened against the Table 1 SCS, as summarized in the RA (CH2M HILL, 2011a). These chemicals were carried through to the HHRA and the ERA. PSSs were developed for each COC. Figures 20 and 21 show the groundwater-sampling locations and indicate the exceedances in the fill aquifer and native silt/clay aquitard, respectively, for the various contaminant groups at levels above the Table 1 SCS and the Table 3 Standard. The Table 3 Standard is used for reference purposes in the figures to provide additional perspective regarding the nature and extent of contaminants of potential concern (COPCs) and to identify the areas with more significant impacts. Table 1 SCS exceedances are shown with red dots. There were 30 groundwater samples collected from 16 monitoring wells from the fill aquifer on the RSC Property. Impacts to the RSC Property exceeding the Table 1 SCS are largely confined to the fill aquifer. Groundwater exceedances of the Table 1 SCS in the fill aquifer included metals, PCBs, PAHs, and CVOC exceedances. Fourteen groundwater samples were collected from seven wells from the native silt/clay till aquitard at the RSC Property. Groundwater in the native silt/clay till aquitard was found to be locally impacted due to activities associated with the historical industrial use of the Property, but to a much lesser degree than in the overlying fill aquifer. PCBs were not detected in samples in the native silt/clay till aquitard. Groundwater exceedances of the Table 1 SCS in the native silt/clay till aquitard included metals, PAHs, and CVOCs. 1.5.1 Fill Aquifer Groundwater Quality Assessment Summaries of the frequency of contaminant exceedances in the fill unit are provided in the following list for each contaminant grouping:

VOCs were detected at concentrations exceeding the Table 1 SCS in 6 out of 21 samples at the 16 wells that were analyzed for VOCs. Some of the elevated concentrations include PCE and TCE at 50.4 and 6.96 micrograms per litre (μg/L), respectively, occurring near the former drum storage and storage tanks (APEC-134); and for 1,2-cis-dichloroethene (DCE) at 5.63 μg/L, occurring within APEC-131 (oil transformer area). 1,4-dioxane exceeded the Table 1 SCS in two out of five locations sampled. Groundwater impacts relating to chlorinated compounds are laterally and vertically defined. PAHs were detected at concentrations exceeding the Table 1 SCS in 9 of 18 samples at the 13 wells that were analyzed for PAHs. Elevated concentrations included benzo[a]pyrene at 1.41 μg/L; benzo[ghi]perylene at 1.02 μg/L; benzo[k]fluoranthene at 1.03 μg/L; chrysene at 1.33 μg/L; and indeno[1,2,3-cd]pyrene at 1 μg/L. PHCs were not detected at concentrations exceeding the Table 1 SCS in any of the 19 samples at the 16 wells that were analyzed for PHCs. PCBs were detected at concentrations exceeding the Table 1 SCS in two of eight samples at eight wells that were analyzed for PCBs in samples collected from APEC-131 (oil transformer area) at concentrations of 1.16 and 6.43 μg/L. Metals and inorganic compounds were detected at concentrations exceeding the Table 1 SCS in 9 of 18 samples at the 13 wells that were analyzed for metals and inorganics.

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Glycol parameters were analyzed at one location in APEC-137, where antifreeze and glycol had been stored. No glycols were detected.

General chemistry parameters were measured in 16 samples at 12 wells, with no exceedances of the Table 1 SCS. Current and historical investigations revealed no evidence of free-phase light, nonaqueous phase liquid (LNAPL) or dense, nonaqueous-phase liquid (DNAPL) in the upper fill unit. 1.5.2 Till Unit Groundwater Quality Assessment Details regarding the frequency, distribution, and identification of COCs in the till unit are as follows:

VOCs were detected at concentrations exceeding the Table 1 SCS in 3 of 10 samples from the seven wells that were analyzed for VOCs. Elevated concentrations include PCE at 39.3 μg/L; TCE at 5.45 μg/L; 1,1-DCE at 2.06 μg/L; and cis-1,2-DCE at 2.32 μg/L near the former drum storage and storage tanks (APEC-134). PAHs were detected at concentrations exceeding the Table 1 SCS in 4 of 10 samples from six wells analyzed for PAHs in the till aquitard. The highest concentrations were of chrysene (1.15 μg/L) and benzo[a]pyrene (0.99 μg/L). PHCs were not detected at concentrations exceeding the Table 1 SCS in the 10 samples from the seven wells that were analyzed for PHCs within the native silt/clay till aquitard. Metals and inorganic compounds were detected at concentrations exceeding the Table 1 SCS in six of nine samples at seven wells analyzed for metals and organics. A range of metals exceeded the Table 1 SCS, including: chromium, cobalt, copper, mercury, nickel, selenium, thallium, vanadium, and zinc. General chemistry parameters were measured at five samples at five wells; concentrations did not exceed the Table 1 SCS. Glycol compounds were analyzed in one sample from one location, but were not detected. The groundwater data from the Phase Two ESA and historical investigations revealed no evidence of free-phase LNAPL or DNAPL in the till unit on the RSC Property, based on measurements in monitoring wells. 1.5.3 Bedrock Aquifer Groundwater Quality Assessment Samples from the shallow bedrock aquifer were not collected for chemical analysis. In a bedrock sample collected at the adjoining property to the south of the RSC Property, VOCs, PHCs, and PAHs were not detected; metals and inorganics, as well as general chemistry parameters, did not exceed the Table 1 SCS. Based on the analytical results from the offsite bedrock well and the low permeability of the native silt/clay till aquitard, the bedrock aquifer was not identified as a potentially contaminated aquifer; therefore, the bedrock aquifer was not characterized as part of the Phase Two ESA on the RSC Property.

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1.5.4 Groundwater Quality at the RSC Property Boundaries The onsite groundwater quality data were used to confirm potential impacts from offsite PCAs, as well as potential impacts migrating offsite, as determined by the conclusions made from the groundwater quality data for the RSC Property. Although there are identified COCs in exceedance of the Table 1 SCS near the RSC Property boundary, there are no localized areas of impact for the identified COCs related to specific releases or activities that are migrating onto or off of the RSC Property. The exception is a localized area of CVOCs, near APEC-134 and R5 in the property to the south. Offsite concentrations demonstrate that the extent of the CVOCs is defined and not laterally extensive. 1.6 Environmentally Sensitive Areas The RSC Property has been designated an “environmentally sensitive site” due to the presence of elevated surface soil pH. Therefore, the applicable SCS for the site are the Table 1 SCS, which are set out in Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act (MOE, 2011a). Soil samples were collected from both surface and subsurface soil throughout the RSC Property. Figure 23 shows the eight samples with elevated pH values (soil pH>9). The surficial fill materials were found to exhibit elevated pH (>9) at eight sample locations across the RSC Property, triggering use of the Table 1 SCS for an environmentally sensitive area. The eight elevated pH concentrations were measured in surface soils at the RSC Property at depths ranging from 0 to 1.21 mbgs. No elevated pH concentrations were encountered in subsurface soils (> 1.5 mbgs). The borehole logs for six of the eight locations with elevated pH indicate that brick and concrete fragments consistent with demolition and/or construction debris were mixed in with the fill soil at this location. Two other boring logs reviewed do not specify any materials related to construction, but the soil is identified as fill. The locations of elevated pH appear to be primarily in areas that have been disturbed by construction or in transportation corridors, such as parking areas and roads. 1.7 Vapour Intrusion There are three buildings located on the RSC Property that were originally constructed for light- industrial purposes. The building at 169 Eastern Avenue is a two-storey building that is interconnected with 171 Eastern Avenue, another two-storey building. The building at 185 Eastern Avenue is a one-storey building with a mezzanine level, but is equivalent in height to a three-storey building. The complex was constructed over a period of 20 years, with the building at 169 Eastern Avenue completed in the early 1910s, and the buildings at 171 and 185 Eastern Avenue in the 1930s. A partial basement beneath the northern portion of the building at 171 Eastern Avenue extends approximately 3.3 mbgs. The other two buildings do not have basements. A subset of the soil and groundwater samples collected from boreholes and monitoring wells located within or adjacent to the existing buildings on the RSC Property had concentrations of VOCs, PHCs, and PAHs that exceed the Table 1 SCS. The RSC Property’s redevelopment is anticipated to result in additional residential or commercial structures. For conservatism in the RA, indoor air modelling for the RSC Property was based on a future, generic, residential

4045430801_ES060811222210TOR 1-15 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 PHASE TWO CONCEPTUAL SITE MODEL, RECORD OF SITE CONDITION 6, RA GROUP 4 PROPERTY building. The RA established risk management measures (RMMs) for vapour intrusion for both new buildings and the existing buildings. Details on these measures are provided in the RA report (CH2M HILL, 2011a) for the Group 4 Property and are also applicable to the RSC Property. 1.8 Contaminant Pathways and Receptors Figures 23 and 24 present the human health and ecological site conceptual exposure models (SCEMs), respectively, as summarized in the RA (CH2M HILL, 2011a) and based on current site conditions. These figures, together with CSM Table 2, provide the information required in Schedule E of O. Reg. 153/04, as amended (MOE, 2011b), Part IV, s. 43(9) (a) to (e), as follows:

Contaminant release mechanisms Transport pathways Human and ecological receptors located on, in, or under the RSC Property Receptor exposure points Routes of exposure The SCEMs identify the complete exposure pathways where receptors might make direct contact with chemicals in soil and groundwater, or where they might be indirectly exposed to chemicals from soil and groundwater via vapour transport or other pathways. The SCEMs also identify some pathways that might be considered insignificant or negligible because the pathways could be interrupted (incomplete or blocked). 1.9 Proposed Future Land Use The proposed future uses of the RSC Property could include the conversion of the existing buildings to commercial and residential units. 1.10 Conclusion Data used for this CSM include historical data and data collected as part of the Phase Two ESA investigation and remedial excavation. From these data, it has been concluded that the RSC Property has been sufficiently characterized to support filing of an RSC. As documented in Appendix M of the Phase Two ESA Report, soil and groundwater concentrations within the RSC Property did not exceed the PSS as of the certification date (August 23, 2011) (CH2M HILL, 2011c). 1.11 References CH2M HILL Canada Limited (CH2M HILL). 2011a. Revised Risk Assessment, Group 4 West Don Lands, Toronto, Ontario. Prepared for Ontario Reality Corporation. March 15. CH2M HILL Canada Limited (CH2M HILL). 2011b. Phase One Environmental Site Assessment, West Don Lands, Group 1 – Final. Prepared for Ontario Realty Corporation. April. CH2M HILL Canada Limited (CH2M HILL). 2011c. Phase Two Environmental Site Assessment, West Don Lands, Group 4 (Final). Prepared for Ontario Realty Corporation. November 3.

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Decommissioning Consulting Services Limited (DCS). 2006. Phase II ESA, West Don Lands, Toronto, Ontario (Volumes I–VIII). Prepared for Ontario Realty Corporation. June. INTERA Engineering Ltd. (INTERA). 2005. Area-Wide Groundwater Initiative, West Don Lands. Prepared for Ontario Realty Corporation. July. LVM Inc. (LVM). 2010. Geotechnical Interim Technical Memos, 2015 Pan American Games, Pan Am Athletes’ Village. Prepared for Ontario Realty Corporation. October. MacLarentech Inc. 1989. St. Lawrence Square Redevelopment Project - East Section, Site and Facility Environmental Investigation. Prepared for the City of Toronto. March. Ontario Ministry of the Environment (MOE). 1990. “Schedule 4, Leachate Quality Criteria (LQC).” Ontario Regulation 347. Environmental Protection Act. As amended. Ontario Ministry of the Environment (MOE). 2009. Rationale for the Development of Soil and Ground Water Standards for Use at Contaminated Sites in Ontario. December 22. Ontario Ministry of the Environment (MOE). 2011a. Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act. April 15. Ontario Ministry of the Environment (MOE). 2011b. Record of Site Condition—Part XV.1 of the Act. Ontario Regulation (O. Reg.) 153/04, as amended by O. Reg. 511/09 and O. Reg. 179/11. May. Ontario Ministry of the Environment (MOE). 2011c. Certificate of Property Use, Environmental Protection Act, R.S.O. 1990, c.E.19, s.168.6. Certificate of property use number 0433-8F3LB4. Draft. May 16.

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CSM TABLE 1 Correlation of WDL Block and Phase One/Phase Two Plans of Subdivision Naming Conventions1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON RSC Group WDL SAA Block Plan of Subdivision Block Phase One Plan of Subdivision 2 7 MIL-N Block 16 8 MIL-S Block 17 11 MIL-E Block 18 11 BVA Block 19 Phase Two Plan of Subdivision 3 4 3 L Part of Block 5 4 SR 5 Blocks 19 and 7 6 6 5A Blocks 1 and 14 5 C Block 15 5 D Block 16 6 5R1 Blocks 2 and 24 5 R4 Block 25 5 R2 Block 27 5 B Block 3 5 R5 Block 30 5 R3 Block 31 5 FST-N Block 33 5 E Block 4 6 DFC Block 17 7 F Block 10 7 G Block 11 7 H Block 12 7 I Block 13 7 R6 Block 21 7 R7 Block 22 7 R8 Block 23 7 FST-S Block 34 7 FR Block 6 7 8 DE Block Block 20 8 TTC Block 28 8 JR Block 29 7 8 R9 Block 32 7 8 J Block 8 7 8 K Block 9 16 153 Eastern Block 26

4045430801_ES060811222210TOR © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Page 1 of 1 CSM TABLE 2 APEC Disposition Summary - Phase Two Property Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON

BHs/MWs Description/ List of Parameter Groups List of Parameter Groups List of Parameters Above the List of Parameters Above the List of Parameters Above the List of Parameters Above the APEC ID Type of PCA COCs Associated with Location Type Comments Rationale Tested (soil)1 Tested (GW)1 Table 1 SCS (soil)1 Table 1 SCS (GW)1 Table 3 Standard (soil)1 Table 3 Standard (GW)1 APEC Area

Onsite APECs APEC-115 32 - Iron and Steel Former Foundry - Metal hydrides, MLT88G1-MW136 New Borehole Metals and Inorganics, PCBs, None Metals and Inorganics (Barium, NA Metals and Inorganics (Barium NA COCs were analyzed for in soil or GW samples. Sampling has captured the COCs and Manufacturing and An onsite foundry Metals, and PAHs (Fill/Till) PHCs, and General Chemistry Cadmium, and Zinc), SAR, and and cadmium), and EC the APEC has been addressed. Foundry sands were sampled in three select areas and Processing was historically EC analyzed for Mn and phenolic compounds. present on this Metals, PAHs, and PHCs were found in the majority of soil samples, with PCBs and APEC. Materials MLT88G1-BH230 New Borehole Metals and Inorganics, PCBs, None Metals and Inorganics (Barium, NA Metals and Inorganics (Barium NA VOCs localized to individual APECs. Dioxins/furans were analyzed in areas with PCB may have been (Fill) PHCs, and General Chemistry Mercury, and Zinc) and Mercury) Table 3 Standard exceedance. Glycol analyzed in one area with historical usage and deposited to surface methyl mercury analyzed in one area with Table 3 Standard exceedance of mercury. soils. Broad coverage has adequately assessed this APEC. Groundwater samples have been collected for metal, PAHs, PHC, and VOCs in most MLT88G9-MW224 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics NA Metals and Inorganics NA wells and PCBs in localized wells. Glycol analyzed from one APEC with historical (Fill) PCBs, PHCs, and General storage; methyl mercury analyzed in area with mercury Table 3 Standard exceedance. Chemistry In soil, PHCs, metals, PAHs, VOCs, PCBs were found to exceed the Table 3 Standard SCS. PCBs did not exceed the standards. MLT88G9-MW229 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics NA Metals and Inorganics NA Sporadic exceedances of metals, PAHs, and VOCs in groundwater. No exceedances (Fill) PCBs, PHCs, and General for PCBs and PHCs were observed in groundwater. Chemistry Correct list of COCs, adequate coverage. Sampling has captured the COCs and the APEC has been addressed. MLT88G9-MW225 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics (Barium) NA Metals and Inorganics NA (Fill/Till) PCBs, PHCs, and General and EC (Barium), and EC Chemistry Table 1 SCS soil exceedances in fill include EC; NAADRT; Metals and Inorganics (SB, AS, BA, CD, CR, CR6, CO, CU, CN, PB, HG, MO, NI, SE, AG, TL, V, and ZN); PAHs TRW89G1-BHG6 New Borehole Metals and Inorganics, PAHs, None PAHs NA PAHs NA (ACNP, ACNPY, ANTH, BZAA, BZAP, BZBF, BZGHIP, BZKF, CHRYSENE, DBAHA, (Fill) PHCs, and General Chemistry DMP24, FLA, FL, INP123, MTNPH1, MTNPH2, MTNPH21, NAPH, PHAN, and PYR); PCBs; PHCs (PHC F1, PHC F1 NO BTEX, PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH, PHC F4, and PHC F4 GRAV ANLYS); and VOCs (BZ, DCA11, DCE12C, EBZ, MTLNCL, PCE, BZME, TCA111, TCE, and XYLENES). CRA08G1-BH006 Historical Metals and Inorganics, VOCs, None Metals and Inorganics NA PAHs NA Table 3 Standard soil exceedances in fill include EC; NAADRT; Metals and Inorganics Borehole (Fill) PAHs, PHCs, and General (Antimony and Molybdenum), (SB, AS, BA, BHWS, CD, CO, CU, CN, PB, HG, MO, NI, SE, TL, V, and ZN); PAHs Chemistry and PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZBF, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, INP123, MTNPH1, MTNPH2, MTNPH21, NAPH, PHAN, PYR); PCBs; PHCs (ALI CRA08G1-BH008 Historical Metals and Inorganics, VOCs, None Metals and Inorganics, VOCs, NA Metals and Inorganics, VOCs NA C10 C12, ALI C12 C16, ALI C21 C34, ALI C8 C10, ARO C10 C12, ARO C12 C16, ARO Borehole (Fill) PAHs, PHCs, and General PAHs, and PHCs (F1-F4) (Benzene, TCE, and TCA 1,1,1- C21 C34, PHC F1, PHC F1 NO BTEX, PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 Chemistry ), PAHs, and PHCs (F3) NO PAH, PHC F4, and PHC F4 GRAV ANLYS); and VOCs (BZ, PCE, BZME, TCA111, TCE, and XYLENES). CRA08G1-BH009 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F1-F3), VOCs (PCE NA Table 1 SCS soil exceedances in till include EC; NAADRT; Metals and Inorganics (BA, Borehole (Fill) PAHs, PHCs, and General Inorganics, PAHs, and VOCs and TCE), Metals and CD, CN, and MO); PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, Chemistry Inorganics (Boron and DBAHA, FLA, FL, INP123, NAPH, PHAN, and PYR); PHCs (PHC F2, PHC F2 NO Cadmium), and PAHs NAPH, PHC F3, PHC F3 NO PAH, and PHC F4); and VOCs (BZ, MTLNCL). CRA08G1-BH010 Historical Metals and Inorganics, VOCs, None PHCs (F3 and F4), PAHs, and NA PAHs, and Metals and NA Table 3 Standard soil exceedances in till include EC; NAADRT; Metals and Inorganics Borehole (Fill) PAHs, PHCs, and General Metals and Inorganics Inorganics (Cadmium and Zinc) (BA, CD, and CN); PAHs (ACNPY, ANTH, BZAA, BZAP, BZKF, DBAHA, FLA, and Chemistry INP123); and PHCs (PHC F3).

Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (SB, AS, CRA08G1-BH011 Historical Metals and Inorganics, PCBs, None PHCs (F3 and F4), PAHs, and NA PAHs NA HG, NA, U, and V); PAHs (ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, Borehole VOCs, PAHs, PHCs, and Metals and Inorganics FLA, INP123, PHAN, and PYR); PCBs; and VOCs (DCA11, DCE11, DCE12C, (Fill/Till) General Chemistry DIOXN14, PCE, TCA111, TCE). Table 3 Standard groundwater exceedances in fill include Metals and Inorganics (NA); CRA08G1-BH012 Historical Metals and Inorganics, and None Metals and Inorganics, and NA Metals and Inorganics (Lead, NA PAHs (BZAP, BZGHIP, BZKF, CHRYSENE, and INP123); and VOCs (DCE12C, PCE, Borehole (Fill) PAHs PAHs Mercury, and Zinc); and PAHs and TCE). Table 1 SCS groundwater exceedances in till include Metals and Inorganics (CR, CO, CU, HG, NI, SE, TL, V, and ZN); PAHs (ANTH, BZAA, BZAP, BZGHIP, BZKF, CRA08G1-BH014 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F2-F4), Metals and NA CHRYSENE, FLA, INP123, PHAN, and PYR); and VOCs (DCA11, DCE11, DCE12C, Borehole (Fill) PAHs, PHCs, and General Inorganics, and PAHs Inorganics, and PAHs PCE, TCA111, and TCE). Chemistry Table 3 Standard groundwater exceedances in till include PAHs (BZAP, BZGHIP, BZKF, CHRYSENE, and INP123); and VOCs (DCE11, DCE12C, PCE, and TCE). CRA08G1-BH015 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F3), Metals and NA Borehole (Fill) PAHs, PHCs, and General Inorganics, and PAHs Inorganics, and PAHs Chemistry

CRA08G1-BH016 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4); Metals and NA PHCs (F3), Metals and NA Borehole (Fill) PAHs, PHCs, and General Inorganics (Antimony, Lead, Inorganics (Lead), and PAHs Chemistry and Molybdenum), and PAHs

CRA08G1-BH017 Historical Metals and Inorganics, VOCs, None Metals (Antimony and NA Metals (Mercury), PAHs, and NA Borehole (Fill) PAHs, PHCs, and General Mercury), PAHs, and VOCs VOCs (TCE) Chemistry (TCE)

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CRA08G1-MW002 Historical Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, None Copper None None Borehole (Till)/ PHCs, and General Chemistry VOCs, and General Chemistry Well (Till)

CRA08G1-MW004 Historical Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, PHCs (F3 and F4), and PAHs Metals (Chromium, Cobalt, PHCs (F3) and PAHs PAHs, and VOCs (1,1-DCE, cis- Borehole (Tilll)/ PAHs, PHCs, and General PAHs, VOCs, and General Copper, Mercury, and 1,2-DCE, PCE, and TCE) Well (Till) Chemistry Chemistry Vanadium), PAHs, and VOCs

CRA08G1-MW005 Historical Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, PHCs (F1-F4), PAHs, and PAHs (Benzo[a]pyrene and PHCs (F2 and F3), PAHs, and None Borehole (Fill)/ PAHs, PHCs, and General PAHs, VOCs, and General VOCs (TCE; PCE; and cis-1,2- Phenanthrene), Metals and VOCs (TCE and PCE) Well (Till) Chemistry Chemistry DCE) Inorganics (Dissolved Copper and Dissolved Thallium)

CRA08G1-MW008 Historical Well None PHCs, Metals and Inorganics, NA Metals and Inorganics NA Metals and Inorganics (Fill) PAHs, VOCs, and General (Dissolved Arsenic and (Dissolved Sodium) Chemistry Dissolved Sodium)

DFC-BH0001 New Borehole Metals and Inorganics, PCBs, None None NA None NA (Fill/Till) PAHs, PHCs, General Chemistry, and VOCs

DFC-BH0002 New Borehole Metals and Inorganics, VOCs, None PHCs, Metals and Inorganics, NA PHCs, Metals and Inorganics, NA (Fill) PCBs, PAHs, PHCs, and and PAHs and PAHs General Chemistry

DFC-BH0003 New Borehole Metals and Inorganics, VOCs, None Metals and Inorganics NA Metals (Lead and NA (Fill/Till) PHCs, and General Chemistry (Antimony, Lead, and Molybdenum) Molybdenum)

DFC-BH0004 New Borehole General Chemistry None None NA None NA (Fill)

DFC-BH0005 New Borehole PAHs, Metals and Inorganics, None Metal (Cyanide) NA Metal (Cyanide) NA (Fill) and General Chemistry

DFC-BH0006 New Borehole Metals and Inorganics, VOCs, None Metals and Inorganics, VOCs NA Metals, PAHs, PHC (F3), and NA (Fill/Till) PAHs, PHCs, and General (PCE and TCE), PHCs (F3 and VOC (TCE) Chemistry F4), and PAHs

DFC-MW0001 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, PHCs (F2-F4), and Metals and PAHs (Benzo[a]pyrene, PHCs (F3), Metals and None (Fill)/ Well (Fill) PHCs, General Chemistry, and PAHs, VOCs, PCBs, and Inorganics Chrysene, Phenanthrene, and Inorganics (Cadmium, VOCs General Chemistry Pyrene) Cyanide, and Lead)

DFC-MW0002 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, PHCs (F2), Metals and Metals and Inorganics Metals and Inorganics, and None (Fill/Till)/ Well PHCs, General Chemistry, and PAHs, VOCs, PCBs, and Inorganics, and PAHs (Antimony), and PAHs PAHs (Fill) VOCs General Chemistry (benzo[a]pyrene)

DFC-MW0003 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, EC, and Metals and Inorganics Metals and Inorganics EC, and Metals and Inorganics None (Fill/Till) Well PHCs, General Chemistry, and PAHs, VOCs, PCBs, and (Vanadium), and PAHs (Cyanide and Lead) (Till) VOCs General Chemistry (Benzo[a]pyrene and Phenanthrene) DFC-MW0004 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, None Metals and Inorganics None None (Fill)/ Well (Fill) PHCs, General Chemistry, and PAHs, VOCs, General (Mercury) VOCs Chemistry, and Methyl Mercury

DFC-MW0005A New Well (Fill) PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Same as DFC-MW0005B PAHs (Benzo[a]pyrene, Same as DFC-MW0005B None PAHs, PCBs, and VOCs PAHs, VOCs, and General Chrysene, Phenanthrene, and Chemistry Pyrene), and Metals and Inorganics (Vanadium) DFC-MW0005B New Borehole PHCs, Metals and Inorganics, Metals and Inorganics, VOCs, PAHs, EC, and Metals and None PAHs, and Metals and None (Fill/Till)/ Well PAHs, VOCs, PCBs, and PHCs, PAHs, Glycol, and Inorganics (Antimony and Inorganics (Mercury) (Till) General Chemistry General Chemistry Mercury)

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DFC-MW0006 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Cyanide, PHCs (F3 and F4), None (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Antimony and Cyanide), PHCs (Vanadium and Zinc) and PAHs (Till) Chemistry Chemistry (F2-F4), PAHs, and VOCs (Methylene Chloride) DFC-MW0007 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, SAR, Metals and Inorganics None Metals and Inorganics None (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Cyanide and Mercury), PHCs (Cyanide and Mercury), PHCs (Fill) Chemistry Chemistry (F2-F4), VOCs (methylene (F3), and PAHs chloride), and PAHs

DFC-MW0008 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, SAR; Metals and Inorganics VOCs (1,1-DCA; 1,1,1-TCA; Metals and Inorganics VOCs (TCE) (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Cyanide, Lead, and Mercury), and TCE), Metals and (Cyanide, Lead, and Mercury), (Fill) Chemistry Chemistry PHCs (F2-F4), VOCs (1,1- Inorganics (vanadium), and VOCs ( 1,1,1-TCA), and PAHs DCA; and 1,1,1-TCA), and PAHs (benzo[a]pyrene) PAHs DFC-MW0009 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Metals and Inorganics None (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Antimony, Cyanide, Lead, and (Vanadium) (Cyanide, Lead, and Mercury); (Fill) General Chemistry General Chemistry Mercury); and PAHs and PAHs

DFC-MW0010 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics VOCs (1,1-DCA; 1,1-DCE, Cyanide and PAHs VOCs (PCE) (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Chromium 6 and Cyanide), PCE; 1,1,1-TCA; and TCE), (Fill) General Chemistry General Chemistry and PAHs and Metals and Inorganics (Vanadium) DFC-MW0011 New Well (Till) None PHCs, Metals and Inorganics, NA PAHs (Benzo[a]pyrene) NA None PAHs, VOCs, and General Chemistry

DFC-MW0012 New Borehole PHCs, Metals and Inorganics, N/A (well dry) PAHs and EC NA PAHs and EC NA (Fill/Till) PAHs, VOCs, and General Chemistry

DFC-MW0013 New Borehole PHCs, Metals and Inorganics, N/A (well dry) PAHs and EC NA PAHs and EC NA (Fill) PAHs, VOCs, and General Chemistry

DFC-MW0013B New Borehole Metals and Inorganics, VOCs, Metals and Inorganics, VOCs, Metals and Inorganics PAHs PAHs and VOCs (TCE) None (Fill/Till)/ Well PHCs, PAHs, Glycol, and PHCs, PAHs, Glycol, and (Antimony), PHCs (F2-F4), (Fill) General Chemistry General Chemistry PAHs, and VOCs (TCE)

DFC-MW0014 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, None Metals and Inorganics None None (Fill/Till) Well PAHs, VOCs, and General PAHs, VOCs, and General (Vanadium) (Till) Chemistry Chemistry

DFC-BH0007 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics, and NA Metals and Inorganics NA (Fill/Till) and General Chemistry SAR

DFC-BH0008 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics NA Metals and Inorganics (Lead NA (Fill) and General Chemistry (Antimony, Lead, and and Mercury), and EC Mercury); SAR; and EC

DFC-BH0009 New Borehole Metals and Inorganics, VOCs, None Metals and Inorganics NA Metals and Inorganics (Lead NA (Fill) PHCs, PAHs, and General (Antimony, Lead, and and Mercury), PHCs (F2-F3, Chemistry Mercury), PHCs (F1-F4), Aliphatic C>12-C16, and PAHs, and VOCs Aromatics), and PAHs (Ethylbenzene, and Xylene Mixture) DFC-BH0010 New Borehole Metals and Inorganics, VOCs, None PHCs (F1-F4), and VOCs NA PHCs (Aliphatics, Aromatics, NA (Fill) PHCs, PAHs, General (BTEX) and F2-F3); and VOCs Chemistry, and Phenolics and (Toluene and Xylene Mixture) Manganese (Foundry Sand)

DFC-BH0011 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics, and NA Metals and Inorganics NA (Fill) General Chemistry, and PAHs (DMP-2,4-) Phenolics and Manganese (Foundry Sand)

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DFC-BH0012 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics NA Metals and Inorganics (Lead) NA (Fill) General Chemistry, and (Antimony and Lead), SAR, Phenolics and Manganese and EC (Foundry Sand) DFC-BH0013 New borehole PHCs and VOCs None PHCs (F2-F3), and VOC (TCE) NA None NA (Fill/ Till)

DFC-BH0014 New borehole PHCs and VOCs None PHC (F1-F4), VOCs (DCE 1,2- NA PHCs (F3-F4), and VOCs NA (Fill) cis-, PCE, and TCE) (PCE and TCE)

DFC-BH0016 New borehole PHCs and VOCs None PHCs (F2-F4) NA PHC (F3) NA (Fill/ Till)

DFC-MW0015 New Borehole Metals and Inorganics, VOCs, General Chemistry, PHCs, Metals and Inorganics, PAHs, None Metals and Inorganics, PAHs, None (Fill/Till)/ Well PHCs, PAHs, and General VOCs, and Metals and and PHCs (F2-F4) and PHCs (F3) (Fill) Chemistry Inorganics

DFC-MW0016 New Borehole VOCs, PAHs, Metals and VOCs, PAHs, Metals and PAHs, Metals, PHCs (F2-F4), Benzo[a]pyrene and PAH, Metals, and PHC F3 None (Fill/Till)/ Well Inorganics, PHCs, PCBs, and Inorganics, PHCs, and General and VOCs Phenanthrene (Fill) General Chemistry Chemistry

DFC-MW0017 New Borehole General Chemistry, VOCs, VOCs PHC (F1, F3, and F4) None None None (Fill/Till)/ Well PHCs, and PCBs (Fill)

DFC-MW0018 New borehole Dioxin/ Furans, PCBs, PHCs, PCBs, PHCs, and VOCs PHCs (F3-F4) PCBs, and VOCs (DCE 1,2-cis- None VOCs (DCE 1,2-cis-) (Fill/ Till) New and VOCs and TCE) Well (Fill)

DFC-MW0019 New borehole Dioxin/ Furans, PCBs, PHCs, PCBs, PHCs, and VOCs PHCs (F3-F4), VOCs None None None (Fill/ Till) New and VOCs (Benzene) Well (Fill/ Till)

MLT88G1-BH161 New Borehole Metals and Inorganics, PHCs, None Metals (Cadmium and NA Metals (Cadmium), EC, and NA (Fill/Till) PCBs, and General Chemistry Molybdenum), EC, and SAR SAR

DFC-SS0001 New Borehole PCBs, General Chemistry, and None PCBs NA PCBs NA (Fill) Dioxins/Furans

DFC-SS0002 New Borehole Dioxins/ Furans, and PCBs None None NA None NA (Fill)

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APEC-129 28 - Gasoline and Potential Former PHCs and BTEX DFC-BH0005 New Borehole PAHs, Metals and Inorganics, None Cyanide NA Cyanide NA COCs analyzed for in soil or GW samples. Sampling has captured the COCs and the Associated UST - There is a (Fill) and General Chemistry APEC has been addressed.Two groundwater monitoring wells, both sampled for PHC, Products' Storage in potential former PAHs, VOCs, metals, and general chemistry. Three locations sampled for PAHs, Fixed Tanks UST located at metals, and general chemistry in soil; two of those include PHC. Metals and SVOCs 171 Eastern sampled in shallow fill; PHC sampled at water table. Avenue, and a Geophysical survey completed at site did not reveal any anomalities within the APEC resulting potential boundaries for spills or leaks. Adjacent well DFC-0003 supports conclusion that till groundwater is not impacted due to APEC activities. DFC-MW0002 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, PHCs (F2), Metals and Metals and Inorganics Metals and Inorganics, and None COCs for petroleum UST not found. (Fill/Till)/ Well PHCs, General Chemistry, and PAHs, VOCs, PCBs, and Inorganics, and PAHs (Antimony), and PAHs PAHs (Fill) VOCs General Chemistry (Benzo[a]pyrene) Table 1 SCS soil exceedances in fill include Metals and Inorganics (SB, CD, CU, CN, PB, HG, MO, NI, AG, ZN) and PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, FL, INP123, MTNPH1, MTNPH2, NAPH, PHAN, PYR). Table 3 Standard soil exceedances in fill include Metals and Inorganics (SB, CD, CU, CN, PB, HG, MO, NI, ZN) and PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, INP123, MTNPH1, MTNPH2, NAPH, PHAN, PYR). DFC-MW0004 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, None Metals and Inorganics None None Table 1 SCS soil exceedances in till include PHCs (F2). (Fill)/ Well (Fill) PHCs, General Chemistry, and PAHs, VOCs, and General (Mercury) Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (SB, HG) VOCs Chemistry and PAHs (BZAP).

APEC-131 55 - Transformer Former Transformer PCBs and PHCs DFC-MW0018 New borehole Dioxin/ Furans, PCBs, PHCs, PCBs, PHCs, and VOCs PHCs (F3-F4) PCBs, and VOCs (DCE 1,2-cis- None VOCs (DCE 1,2-cis-) COCs analyzed for in soil or GW samples. Manufacturing, - An oil transformer (Fill/ Till) New and VOCs and TCE) Dioxin/ Furans analyzed in the soil at both locations tested. Processing, and Use which contained Well (Fill) Table 1 SCS soil exceedances in fill include PHCs F2, F3, F4). PCBs was located Table 1 SCS soil exceedances in till include PHCs (F2, F3). inside 185 Eastern Table 1 SCS groundwater exceedances in fill include , PCBs, VOCs (DCE12C, TCE). Avenue building Table 3 Standard groundwater exceedances in fill include VOCs (DCE12C). DFC-MW0019 New borehole Dioxin/ Furans, PCBs, PHCs, PCBs, PHCs, and VOCs PHCs (F3-F4), VOCs, and None None None Sampling has captured the COCs and the APEC has been addressed. (Fill/ Till) New and VOCs (Benzene) Well (Fill/ Till)

APEC-13258 - Waste Disposal Former Drum and Metal hydrides, DFC-BH0001 New Borehole PHCs, Metals and Inorganics, None EC, Cyanide, and PAHs NA EC, Cyanide, and PAHs NA COCs analyzed for in soil or GW samples. Sampling has captured the contaminants of or Waste Scrap Storage - metals, PHCs, and (Fill/Till) PAHs, PCBs, and General concern and the APEC has been addressed.DFC-BH0001 shallow soil sampled for Management MLT identified BTEX Chemistry PCBs, PAHs (fill), and metals, PHCs collected at water table. BTEX were not collected; drums and scrap however, PHCs (F1) were non-detect. DFC-MW0006 soil sampled for PAHs, general material stored chemistry, and metals at shallow to medium depths, as well as VOCs and PHC at three along the east fence depths, the deeper two in the native till. Groundwater sampled for VOCs, PAHs, metals, line during their site and PHC. visit. Table 1 SCS soil exceedances in fill include EC; Metals and Inorganics (SB, CN, ); PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, FL, INP123, MTNPH1, MTNPH2, NAPH, PHAN, PYR); PHCs (PHC F2, PHC F3, PHC F3 NO PAH, PHC F4, PHC F4 GRAV ANLYS); VOCs (MTLNCL). Table 3 Standard soil exceedances in fill include EC; Metals and Inorganics (CN); PAHs DFC-MW0006 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Cyanide, PHCs (F3-F4), and None (ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, INP123, (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Antimony and Cyanide), PHCs (Vanadium and Zinc) PAHs MTNPH2, NAPH, PHAN); PHCs (PHC F3, PHC F3 NO PAH, PHC F4 GRAV ANLYS). (Till) Chemistry Chemistry (F2-F4), PAHs, and VOCs Table 1 SCS soil exceedances in till include PHCs (F2, F3). (Methylene Chloride) Table 1 SCS groundwater exceedances in till include Metals and Inorganics (V, ZN).

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APEC-13355 - Transformer Transformer - PHCs, BTEX, and CRA08G1-MW002 Historical Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, None Copper None None COCs analyzed for in soil or GW samples. Sampling has captured the COCs and the Manufacturing, Historical reports PCBs Borehole (Till)/ PHCs, and General Chemistry VOCs, and General Chemistry APEC has been addressed. Historical soil samples included metals and PAHs at Processing, and Use indicated the Well (Till) surface, and PHCs just above the water table. Historical groundwater samples included presence of an petroleum hydrocarbons. Bound on the north and east with historical locations. An electrical enclosure additional monitoring well was installed at the south (downgradient) side) of this APEC. on the northwest Soil samples were collected for metals, PAHs, and PCBs in the shallow fill and the corner of the deeper native fill , and for VOCs and PHCs at two depths straddling the native/fill property, adjacent to DFC-BH0009 New Borehole Metals and Inorganics, VOCs, None Metals and Inorganics NA Metals and Inorganics (Lead NA interface. PCB and dioxin/furan samples collected from two shallow locations.The new Eastern Avenue. (Fill) PHCs, PAHs, and General (Antimony, Lead, and and Mercury), PHCs (F2-F3, sampling combined with historical sampling bounds the APEC. Chemistry Mercury), PHCs (F1-F4), Aliphatic C>12-C16, and PAHs, and VOCs Aromatics), and PAHs Table 1 SCS soil exceedances in fill include Metals and Inorganics (SB, CN, PB, HG); (Ethylbenzene and Xylene PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, Mixture) FLA, FL, INP123, MTNPH1, MTNPH2, MTNPH21, NAPH, PHAN, PYR); PCBs; PHCs (PHC F1, PHC F1 NO BTEX, PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH, DFC-MW0009 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics, and Metals and Inorganics Metals and Inorganics, and None PHC F4); VOCs (EBZ, XYLENES). (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and PAHs (Vanadium) PAHs Table 3 Standard soil exceedances in fill include Metals and Inorganics (CN, PB, HG); (Fill) General Chemistry General Chemistry PAHs (ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, DBAHA, FLA, INP123, MTNPH1, MTNPH2, MTNPH21, NAPH); PCBs; PHCs (ALI C12 C16, ARO C10 C12, ARO C12 C16, PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH). Table 1 SCS soil exceedances in till include Metals and Inorganics (CN). Table 3 Standard soil exceedances in till include Metals and Inorganics (CN). Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (V). DFC-SS0001 New Borehole PCBs, General Chemistry, and None PCBs NA PCBs NA Table 1 SCS groundwater exceedances in till include Metals and Inorganics (CU). (Fill) Dioxins/Furans

DFC-SS0002 New Borehole Dioxin/ Furans and PCBs None None NA None NA (Fill)

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APEC-13458 - Waste Disposal Former Drum PAHs, PHCs, CRA08G1-BH008 Historical Metals and Inorganics, VOCs, None Metals and Inorganics, VOCs, NA Metals and Inorganics, VOCs NA COCs analyzed for in soil or GW samples. Sampling has captured the COCs and the or Waste Storage and BTEX, metal Borehole (Fill) PAHs, PHCs, and General PAHs, and PHCs (F1-F4) (Benzene, TCE, and TCA 1,1,1- APEC has been addressed. Soil samples collected across the APEC for VOCs, PAHs, Management Storage Tanks - The hydrides, and Chemistry ), PAHs, and PHCs (F3) Metals and Inorganics, PHCs, General Chemistry, and PCBs in select locations. MLT facility metals Groundwater sample collected from five wells with adequate spatial distribution, investigation CRA08G1-BH009 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F1-F3), VOCs (PCE NA analyzed for VOCs, PAHs, Metals and Inorganics, PHCs, and PCBs at select locations. reported a number Borehole (Fill) PAHs, PHCs, and General Inorganics, PAHs, and VOCs and TCE), Metals and Metals, PHCs, and PAHs exceeded Table 3 Standard in soils. of drums being Chemistry Inorganics (Boron and In groundwater, chlorinated VOCs, BTEX, and Metals were detected above Table 1 stored at the back Cadmium), and PAHs SCS, and chlorinated VOCs, PAHs, and sodium detected above Table 3 Standard. The end of the property, CRA08G1-BH010 Historical Metals and Inorganics, VOCs, None PHCs (F3 and F4), PAHs, and NA PAHs, and Metals and NA results are consistent with the usage of the area as a storage area. along the south and Borehole (Fill) PAHs, PHCs, and General Metals and Inorganics Inorganics (Cadmium and Zinc) Extent of chlorinated VOCs in groundwater is defined by samples collected in RA Group east walls, and Chemistry 7 to the south and surrounding wells. along the fence at CRA08G1-BH014 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F2-F4), Metals and NA the west side of the Table 1 SCS soil exceedances in fill include EC; Metals and Inorganics (SB, AS, BA, Borehole (Fill) PAHs, PHCs, and General Inorganics, and PAHs Inorganics, and PAHs property. CD, CR6, CO, CU, CN, PB, HG, MOZN), PAHs (ACNP, ACNPY, ANTH, BZAA, BZAP, Chemistry BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, FL, INP123, MTNPH1, MTNPH2, NAPH, PHAN, PYR, ); PHCs (PHC F1, PHC F1 NO BTEX, PHC F2, PHC F2 NO NAPH, PHC CRA08G1-BH016 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4); Metals and NA PHCs (F3), Metals and NA F3, PHC F3 NO PAH, PHC F4, PHC F4 GRAV ANLYS); VOCs (BZ, DCE12C, EBZ, Borehole (Fill) PAHs, PHCs, and General Inorganics (Antimony, Lead, Inorganics (Lead), and PAHs PCE, BZME, TCA111, TCE, XYLENES). Chemistry and Molybdenum); and PAHs Table 3 Standard soil exceedances in fill include EC; Metals and Inorganics (SB, AS, CRA08G1-BH017 Historical Metals and Inorganics, VOCs, None Metals (Antimony and NA Metals (Mercury), PAHs, and NA BA, BHWS, CD, CO, CU, CN, PB, HG, MO, ZN); PAHs (ACNP, ACNPY, ANTH, BZAA, Borehole (Fill) PAHs, PHCs, and General Mercury), PAHs, and VOCs VOCs (TCE) BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, INP123, MTNPH1, MTNPH2, Chemistry (TCE) NAPH, PHAN); PHCs (PHC F1, PHC F1 NO BTEX, PHC F2, PHC F3, PHC F3 NO PAH, PHC F4, PHC F4 GRAV ANLYS); VOCs (BZ, PCE, TCA111, TCE). CRA08G1-MW004 Historical Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, PHCs (F3 and F4), and PAHs Metals, PAHs, and VOCs PHCs (F3), and PAHs PAHs and VOCs Table 1 SCS soil exceedances in till include EC; Metals and Inorganics (BA, CN); PAHs Borehole (Tilll)/ PAHs, PHCs, and General PAHs, VOCs, and General (ACNP, ACNPY, ANTH, BZAA, BZAP, BZGHIP, BZKF, DBAHA, FLA, FL, INP123, Well (Till) Chemistry Chemistry NAPH, PHAN, PYR); PHCs (PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH, PHC F4); VOCs (BZ). CRA08G1-MW008 Historical Well None PHCs, Metals and Inorganics, NA Metals and Inorganics NA Metals and Inorganics Table 3 Standard soil exceedances in till include Metals and Inorganics (BA, CN); PAHs (Fill) PAHs, VOCs, and General (Dissolved Arsenic and (Dissolved Sodium) (ACNPY, ANTH, BZAA, BZAP, BZKF, DBAHA, FLA, INP123); PHCs (PHC F3 ). Chemistry Dissolved Sodium) Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (AS, NA , V); PAHs (BZAP, PHAN); VOCs (DCA11, DCE11, DIOXN14, PCE, TCA111, TCE). DFC-BH0015 New borehole PHCs and VOCs None PHCs (F2-F4) NA None NA Table 3 Standard groundwater exceedances in fill include Metals and Inorganics (NA) (Fill/ Till) and VOCs (PCE). Table 1 SCS groundwater exceedances in till include Metals and Inorganics (CR, CO, CU, HG, NI, SE, TL, V); PAHs (ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DFC-MW0010 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics VOCs, and Metals and Cyanide and PAHs VOCs (PCE) FLA, INP123, PHAN, PYR); VOCs (DCA11, DCE11, DCE12C, PCE, TCA111, TCE). (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Chromium 6 and Cyanide ), Inorganics (Vanadium) Table 3 Standard groundwater exceedances in till include PAHs (BZAP, BZGHIP, (Fill) General Chemistry General Chemistry and PAHs BZKF, CHRYSENE, INP123) and VOCs (DCE11, DCE12C, PCE, TCE).

DFC-MW0011 New Well (Till) None PHCs, Metals and Inorganics, NA PAHs (Benzo[a]pyrene) NA None PAHs, VOCs, and General Chemistry

CRA08G1-BH015 Historical Metals and Inorganics, VOCs, None PHCs (F1-F4), Metals and NA PHCs (F3), Metals and NA Borehole (Fill) PAHs, PHCs, and General Inorganics, and PAHs Inorganics, and PAHs Chemistry

MLT88G9-MW225 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics NA Metals and Inorganics NA (Fill/Till) PCBs, PHCs, and General (Barium), and EC (Barium), and EC Chemistry

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APEC-135PCA not listed - Chemical Leak VOCs, SVOCs, DFC-BH0003 New Borehole Metals and Inorganics, VOCs, None Metals and Inorganics NA Metals and Inorganics (Lead NA COCs analyzed for in soil or GW samples. Sampling has captured the COCs and the Other, Spills, leaks (Solvent) - A and PAHs (Fill/Till) PHCs, and General Chemistry (Antimony, Lead, and and Molybdenum) APEC has been addressed. Soil and groundwater samples collected for metal, VOCs, or releases printing solvent leak Molybdenum) PHCs, PAHs. Groundwater also sampled for PCBs. Table 3 Standard exceedances for was identified in the PAH, metals, and PHCs in soil. Groundwater collected from two wells, PAH Table 1 MLT investigation at SCS exceedances at one location. No Table 3 Standard exceedances. 169 Eastern Avenue DFC-MW0001 New Borehole Metals and Inorganics, VOCs, PHCs, Metals and Inorganics, PHCs (F2-F4), and Metals and PAHs (Benzo[a]pyrene, PHCs (F3), and Metals and None Foundry sand analyzed for phenolics and Mn. (Fill)/ Well (Fill) PAHs, PHCs, and General PAHs, VOCs, PCBs, and Inorganics Chrysene, Phenanthrene, and Inorganics (Cadmium, Chemistry General Chemistry Pyrene) Cyanide, and Lead) Table 1 SCS soil exceedances in fill include EC; NAADRT; Metals and Inorganics (SB, AS, CD, CR, CU, CN, PB, HG, MO, NI, SE, TL); PAHs (ACNP, ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, DMP24, FLA, FL, INP123, MTNPH1, MTNPH2, DFC-MW0012 New Borehole PHCs, Metals and Inorganics, N/A (well dry) PAHs and EC NA PAHs and EC NA MTNPH21, NAPH, PHAN, PYR); PHCs (PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 (Fill/Till) PAHs, VOCs, and General NO PAH, PHC F4, PHC F4 GRAV ANLYS). Chemistry Table 3 Standard soil exceedances in fill include EC; NAADRT; Metals and Inorganics (AS, CD, CU, CN, PB, HG, MO, NI, SE, TL); PAHs (ANTH, BZAA, BZAP, BZKF, DBAHA, FLA, INP123, MTNPH1, MTNPH2, MTNPH21, NAPH, PHAN); PHCs (PHC F3, PHC F3 NO PAH). DFC-BH0011 New Borehole Metals and Inorganics, PAHs, None Metals and Inorganics, PAHs NA Metals and Inorganics NA Table 1 SCS soil exceedances in till include EC; NAADRT; Metals and Inorganics (CD, (Fill) General Chemistry, and (DMP 2,4-) MO); PHCs (PHC F3, PHC F3 NO PAH). phenolics and Manganese Table 3 Standard soil exceedances in till include EC; NAADRT; Metals and Inorganics (foundry sand) (CD). Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (U) and DFC-MW0015 New Borehole Metals and Inorganics, VOCs, General Chemistry, PHCs, Metals and Inorganics, PAHs, None Metals and Inorganics, PAHs, None PAHs (ANTH, BZAA, BZAP, BZGHIP, BZKF, CHRYSENE, DBAHA, FLA, INP123, (Fill/Till)/ Well PHCs, PAHs, and General VOCs, and Metals and and PHCs (F2-F4) and PHCs (F3) PHAN, PYR). (Fill) Chemistry Inorganics Table 3 Standard groundwater exceedances in fill include PAHs (BZAP, BZGHIP, BZKF, CHRYSENE, INP123).

MLT88G1-BH161 New Borehole Metals and Inorganics, PHCs, None Metals (Cadmium and NA Metals (Cadmium), EC, and NA (Fill/Till) PCBs, and General Chemistry Molybdenum), EC, and SAR SAR

APEC-136 58 - Waste Disposal Material Storage - PHCs, PAHs DFC-MW0005A New Well (Fill) PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Same as DFC-MW0005B PAHs (Benzo[a]pyrene, Same as DFC-MW0005B None Area was observed to be clean during the site visit. Concrete floor intact. Only small or Waste Material storage PAHs, PCBs, and VOCs PAHs, VOCs, and General Chrysene, Phenanthrene, and containers, on a solid concrete floor with no staining. Results of R05-BH0001, Management was found located Chemistry Pyrene), and Metals and immediately downgradient of the south edge of the building, included sampling of soil within the southwest Inorganics (Vanadium) for PHCs, PAHs, and VOCs. Minor exceedances for certain PAH compounds were portion of 185 identified in the shallow fill. Based on downgradient sampling, and the inspection Eastern Avenue findings in the area, this APEC is considered addressed. inside the building, Table 1 SCS groundwater exceedances in fill include Metals and Inorganics (V) and including of waste PAHs (BZAP, CHRYSENE, PHAN, PYR). oil and flammable substances

APEC-137 4 - Antifreeze and Material Storage - VOCs DFC-MW0013B New Borehole Metals and Inorganics, VOCs, Metals and Inorganics, VOCs, Metals and Inorganics PAHs PAHs and VOCs (TCE) None PAHs and one chlorinated VOC above Table 3 Standard in fill. Both VOC and PHC De-icing Material storage (Fill/Till)/ Well PHCs, PAHs, Glycol, and PHCs, PAHs, Glycol, and (Antimony), PHCs (F2-F4), concentrations decreased with depth. One location sampled for glycol due to historical Manufacturing and was found located (Fill) General Chemistry General Chemistry PAHs, and VOCs (TCE) storage. Correct list of COCs, adequate coverage. Sampling has captured the COCs Bulk Storage within garage and the APEC has been addressed. portion leased by It's My Potty at 185 Eastern Avenue, including of antifreeze and propylene glycol

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APEC-139 14 - Crude Oil Possible oil storage - PHCs, PCBs, and DFC-MW0016 New Borehole VOCs, PAHs, Metals and VOCs, PAHs, Metals and PAHs, Metals, PHCs (F2-F4), Benzo[a]pyrene and PAH, Metals, and PHC F3 None Sample located in the center of this small APEC. PAHs, Metals, and PHCs detected Refining Processing Oil may have been PAHs (Fill/Till)/ Well Inorganics, PHCs, PCBs, and Inorganics, PHCs, and General and VOCs Phenanthrene above Table 3 Standard in soil; PAHs detected above Table 1 SCS in groundwater but and Bulk Storage stored in an area (Fill) General Chemistry Chemistry no Table 3 Standard exceedances. No VOC detections in groundwater. These adjacent to the detections are consistent with historical APEC use. former machine Correct list of COCs, adequate coverage. Sampling has captured the COCs and the shop associated APEC has been addressed. with the Dominion Table 1 SCS soil exceedances in fill include Metals and Inorganics (SB, AS, CD, CU, Wheel Foundry PB, MO); PAHs (ACNPY, BZAA, BZAP, BZGHIP, BZKF, FLA, INP123, PHAN, PYR); listed as "Oils PHCs (PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH, PHC F4). Building" on the FIP Table 3 Standard soil exceedances in fill include Metals and Inorganics (SB, AS, CD, PB), PAHs (ACNPY, BZAA, BZAP, BZKF, FLA, INP123), PHCs (PHC F3, PHC F3 NO PAH). Table 1 SCS soil exceedances in till include PHCs (PHC F2, PHC F2 NO NAPH, PHC F3, PHC F3 NO PAH), VOCs (BZ). Table 1 SCS groundwater exceedances in fill include PAHs (BZAP, PHAN).

APEC-140 58 - Waste Disposal Existing Sump - Metals, PAHs, DFC-MW0012 New Borehole PHCs, Metals and Inorganics, N/A (well dry) PAHs and EC NA PAHs and EC NA Soil exceedances of Table 3 Standard for PAH and EC. No groundwater sample or Waste There is a sump PHCs, and VOCs (Fill/Till) PAHs, VOCs, and General collected because well was dry. If due to formation, no/little recharge may indicate that a Management located in the Chemistry plume is unlikely beneath the building. northwest corner of Correct list of COCs, adequate coverage. Sampling has captured the COCs and the 169 Eastern Avenue APEC has been addressed. on the main floor Monitoring wells with relevant information for this APEC outside the APEC boundary are : DFC-MW0010, DFC-MW0015, DFC-MW0009, and DFC-MW0001.

Table 1 SCS soil exceedances in fill include EC and PAHs (BZAA, BZAP, BZGHIP, BZKF, DBAHA, FLA, INP123, MTNPH21, NAPH). Table 3 Standard soil exceedances in fill include EC and PAHs (BZAA, BZAP, DBAHA, FLA, INP123). Table 1 SCS soil exceedances in till include EC. Table 3 Standard soil exceedances in till include EC.

Assessment of Offsite PCAs2 Area to the North Oil/Water Separator, PHCs, BTEX, DFC-MW0009 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Metals and Inorganics None Monitoring well density is sufficient to monitor for COCs migrating from offsite. Sampling Scrap Metal Yards, Metals, Metal (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Antimony, Cyanide, Lead, and (Vanadium) (Cyanide, Lead, and Mercury), has captured the COCs in groundwater, and potential impacts to the RSC Property Potential Former Hydrides, PAHs, (Fill) General Chemistry General Chemistry Mercury), and PAHs and PAHs have been identified. USTs, Former Fuel VOCs, and PCBs DFC-MW0001 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, PHCs (F2-F4), and Metals and PAHs PHCs (F3); and Metals and None AST, Former (Fill)/ Well (Fill) PHCs, and General Chemistry PAHs, VOCs, PCBs, and Inorganics Inorganics (Cadmium, Smelter/Scrap Yard, General Chemistry Cyanide, and Lead) Former Salt Works, Former Metal DFC-MW0014 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, None Metals and Inorganics None None Company, and (Fill/Till) Well PAHs, VOCs, and General PAHs, VOCs, and General (Vanadium) Former Vehicle (Till) Chemistry Chemistry Maintenance Shops DFC-MW0002 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, PHCs (F2), Metals and Metals and Inorganics Metals and Inorganics, and None (Fill/Till)/ Well PHCs, General Chemistry, and PAHs, VOCs, PCBs, and Inorganics, and PAHs (Antimony), and PAHs PAHs (Fill) VOCs General Chemistry (Benzo[a]pyrene)

Area to the South Former Railway Metals, Metal DFC-MW0008 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, SAR; Metals and Inorganics VOCs, Metals and Inorganics Metals and Inorganics VOCs (TCE) Monitoring well density is sufficient to monitor for COCs migrating from offsite. Sampling Spurs, Material Hydrides, PAHs, (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Cyanide, Lead, and Mercury), (Vanadium), and PAHs (Cyanide, Lead, and Mercury); has captured the COCs in groundwater, and potential impacts to the RSC Property Storage, and PHCs, VOCs, and (Fill) Chemistry Chemistry PHCs (F2-F4), VOCs, and (Benzo[a]pyrene) VOCs ( 1,1,1-TCA); and PAHs have been identified. Existing ASTs PCBs PAHs DFC-MW0005A New Well (Fill) PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Same as DFC-MW0005B PAHs, and Metals and Same as DFC-MW0005B None PAHs, PCBs, and VOCs PAHs, VOCs, and General Inorganics (Vanadium) Chemistry DFC-MW0005B New Borehole PHCs, Metals and Inorganics, Metals and Inorganics, VOCs, PAHs, EC, and Metals and None PAHs, and Metals and None (Fill/Till)/ Well PAHs, VOCs, PCBs, and PHCs, PAHs, Glycol, and Inorganics (Antimony and Inorganics (Mercury) (Till) General Chemistry General Chemistry Mercury)

DFC-MW0013 New Borehole PHCs, Metals and Inorganics, N/A (well dry) PAHs and EC NA PAHs and EC NA (Fill) PAHs, VOCs, and General Chemistry DFC-MW0006 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Cyanide, PHCs (F3-F4), PAHs None (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Antimony and Cyanide), PHCs (Vanadium and Zinc) (Till) Chemistry Chemistry (F2-F4), PAHs, and VOCs (Methylene Chloride)

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Area to the West PCB-registered VOCs, PAHs, DFC-MW0008 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, SAR, Metals and Inorganics VOCs, Metals and Inorganics Metals and Inorganics VOCs (TCE) Monitoring well density is sufficient to monitor for COCs migrating from offsite. Sampling Site, Former Metals, PHCs, (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Cyanide, Lead, and Mercury), (Vanadium), and PAHs (Cyanide, Lead, and Mercury), has captured the COCs in groundwater, and potential impacts to the RSC Property Potential UST, PCBs, and BTEX (Fill) Chemistry Chemistry PHCs (F2-F4), VOCs, and (Benzo[a]pyrene) VOCs ( 1,1,1-TCA), and PAHs have been identified. Former Waste PAHs Dump, Former Dip Tank, and Potential Former UST

DFC-MW0009 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Metals and Inorganics None (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Antimony, Cyanide, Lead, and (Vanadium) (Cyanide, Lead, and Mercury), (Fill) General Chemistry General Chemistry Mercury), and PAHs and PAHs

DFC-MW0010 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics VOCs, Metals and Inorganics Cyanide and PAHs VOCs (PCE) (Fill/Till)/ Well PAHs, VOCs, PCBs, and PAHs, PCBs, VOCs, and (Chromium 6 and Cyanide), (Vanadium) (Fill) General Chemistry General Chemistry and PAHs

Area to the East Potential Former PHCs, BTEX, DFC-BH0001 New Borehole Metals and Inorganics, PCBs, None PAHs, Cyanide, and EC NA PAHs, Cyanide, and EC NA Monitoring well density is sufficient to monitor for COCs migrating from offsite. Sampling UST, Former Sump PAHs, Metals, (Fill/Till) PAHs, PHCs, and General has captured the COCs in groundwater, and potential impacts to the RSC Property Pit, Former Fuel Metal Hydrides, Chemistry have been identified. ASTs, Former Gas and PCBs Station, Former DFC-MW0006 New Borehole PHCs, Metals and Inorganics, PHCs, Metals and Inorganics, Metals and Inorganics Metals and Inorganics Cyanide, PHCs (F3-F4), and None Transformer, Waste (Fill/Till)/ Well PAHs, VOCs, and General PAHs, VOCs, and General (Antimony and Cyanide), PHCs (Vanadium and Zinc) PAHs Generator (Till) Chemistry Chemistry (F2-F4), PAHs, and VOCs (oil/petroleum), Fill (Methylene Chloride) Quality, and Former Spill DFC-MW0003 New Borehole Metals and Inorganics, PAHs, PHCs, Metals and Inorganics, EC, and Metals and Inorganics Metals and Inorganics EC, Metals and Inorganics None (Fill/Till) Well PHCs, General Chemistry, and PAHs, VOCs, PCBs, and (Vanadium), and PAHs (Cyanide and Lead) (Till) VOCs General Chemistry (Benzo[a]pyrene and Phenanthrene)

Notes: 1 Abbreviations used in the Comments column are defined on the following page. 2 Assessment of potential impacts from offsite PCAs were conducted using soil and groundwater quality at locations closest to the property boundaries. APECs from offsite PCAs were consolidated into four groups based on their location (north, east, south, and west) from the Phase Two Property Table 1 SCS: Full Depth Background Site Condition Standards, Residential/Parkland/Institutional/Industrial/Commercial/Community Property Use Table 3 Standard, Full Depth Generic Site Condition Standards in a Non-Potable Ground Water Condition Standards for coarse-grained soils (Table 3 Standard) for Residential Property Use Information in this table pertains to the Record of Site Condition Property (Phase Two Group 4) of the West Don Lands Site Assessment Area (WDL SAA).

1,1-DCA - Dichloroethane 1,1 MLT - MacLarentech 1,1-DCE - Dichloroethylene 1,1 MW - Monitoring well 1,1,1-TCA - Trichloroethane 1,1,1 PAHs - Polycyclic aromatic hydrocarbons APEC - Area of potential environmental concern PCBs - Polychlorinated biphenyls AST - Aboveground storage tank PCA - Potentially-contaminating activity BH - Borehole PCE - Tetrachloroethylene BTEX - Benzene, toluene, ethylbenzene, and xylenes PHCs - Petroleum hydrocarbons Cis-1,2-DCE - Dichloroethylene cis-1,2 SCS - Site Condition Standard COCs - Contaminants of concern SVOCs - Semivolatile organic compounds DMP-2,4 - Dimethylphenol 2,4 TCE - Trichloroethylene EC - Electrical conductivity UST - Underground storage tank F - Fraction VOCs - Volatile organic compounds FIP - Fire insurance plan WDL - West Don Lands GW - Groundwater WDL SAA - West Don Lands Site Assessment Area

4045430501_ES050610083429TOR © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Page 10 of 11 CSM TABLE 2 APEC Disposition Summary - Phase Two Property Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON

Abbreviation Parameter Defined Abbreviation Parameter Defined Abbreviation Parameter Defined Abbreviation Parameter Defined Abbreviation Parameter Defined ACNP Acenaphthene BZ Benzene DCE11 Dichloroethylene 1 1- NA Sodium PHCF3 Petroleum Hydrocarbons F3 ACNPY Acenaphthylene BZAA Benzo[a]anthracene DCE12C Dichloroethylene 1 2-cis- NAADRT Sodium Adsorption Ratio PHCF3NOPAH Petroleum Hydrocarbons F3 (minus PAHs) AG Silver BZAP Benzo[a]pyrene DIOXN14 Dioxane 1 4 - NAPH Naphthalene PHCF4 Petroleum Hydrocarbons F4 AL Aluminum BZBF Benzo[b]fluoranthene DMP24 Dimethylphenol 2 4- NI Nickel PHCF4 GRAVANLYS Petroleum Hydrocarbons F4G (Gravimetric Analysis) ALIC10C12 Aliphatic C>10-C12 BZGHIP Benzo[ghi]perylene EBZ Ethylbenzene PB Lead PYR Pyrene ALIC12C16 Aliphatic C>12-C16 BZKF Benzo[k]fluoranthene EC Electrical Conductivity PCA Tetrachloroethane 1 1 2 2- SB Antimony ALIC21C34 Aliphatic C>21-C34 BZME Toluene FL Fluorene PCB Polychlorinated Biphenyls TCA111 Trichloroethane 1 1 1- ALIC8C10 Aliphatic C>8-C10 CD Cadmium FLA Fluoranthene PCE Tetrachloroethylene TCE Trichloroethylene ANTH Anthracene CN Cyanide (CN-) HG Mercury PHAN Phenanthrene TL Thallium AROC10C12 Aromatic C>10-C12 CO Cobalt INP123 Indeno[1 2 3-cd]pyrene PHC Total Petroleum Hydrocarbons U Uranium AROC12C16 Aromatic C>12-C16 CR Chromium MO Molybdenum PHCF1 Petroleum Hydrocarbons F1 V Vanadium AROC21C34 Aromatic C>21-C34 CR6 Chromium VI MTLNCL Methylene Chloride PHCF1NOBTEX Petroleum Hydrocarbons F1 (minus BTEX) VOCs Volatile organic compound AS Arsenic CU Copper MTNPH1 Methylnaphthalene 1- PHCF2 Petroleum Hydrocarbons F2 XYLENES Xylene Mixture BA Barium DBAHA Dibenz[a h]anthracene MTNPH2 Methylnaphthalene 2- PHCF2NONAPH Petroleum Hydrocarbons F2 (minus naphthalene) ZN Zinc BHWS Boron (Hot Water Soluble) DCA11 Dichloroethane 1 1- MTNPH21 Methylnaphthalene 2-(1-)

4045430501_ES050610083429TOR © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 Page 11 of 11 CSM TABLE 3 COCs Identified in Soil at the RSC Property 1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON Soil COCs Acenaphthene Dioxin/Furan TEQ Acenaphthylene Electrical Conductivity Acetone Ethylbenzene Anthracene Ethylene dibromide Antimony Fluoranthene Arsenic Fluorene Barium Hexane (n) Benzene Indeno[1,2,3-cd]pyrene Benzo[a]anthracene Lead Benzo[a]pyrene Manganese Benzo[b]fluoranthene Mercury Benzo[b+j]fluoranthene Methyl Ethyl Ketone Benzo[g,h,i]perylene Methyl Isobutyl Ketone Benzo[k]fluoranthene Methyl Mercury Beryllium Methyl tert-Butyl Ether (MTBE) Boron (Hot Water Soluble) 2. Methylene Chloride Bromodichloromethane Methylnaphthalene 2-(1-) Bromoform Molybdenum Bromomethane Naphthalene Cadmium Nickel Carbon Tetrachloride Petroleum Hydrocarbons F1 Chlorobenzene Petroleum Hydrocarbons F2 Chloroform Petroleum Hydrocarbons F3 Chromium Petroleum Hydrocarbons F4 Chromium VI Phenanthrene Chrysene Polychlorinated Biphenyls Cobalt Pyrene Copper Selenium Cyanide (CN-) Silver Dibenz[a,h]anthracene Sodium Adsorption Ratio Dibromochloromethane Styrene Dichlorobenzene 1,2- Tetrachloroethane 1,1,1,2- Dichlorobenzene 1,3- Tetrachloroethane 1,1,2,2- Dichlorobenzene 1,4- Tetrachloroethylene Dichlorodifluoromethane Thallium Dichloroethane 1,1- Toluene Dichloroethane 1,2- Trichloroethane 1,1,1-

4045430501_ES050610083429TOR Page 1 of 2 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 CSM TABLE 3 COCs Identified in Soil at the RSC Property 1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON Soil COCs Dichloroethylene 1,2-trans- Trichloroethane 1,1,2- Dichloroethylene 1,1- Trichloroethylene Dichloroethylene 1,2-cis- Vanadium Dichloropropane 1,2- Vinyl Chloride Dichloropropene 1,3- Xylene Mixture Dimethylphenol 2,4- Zinc Notes: 1. Soil property-specific standards (PSS) were developed for each of the parameters identified in this table. 2. Total boron and hot water soluble boron concentrations were below Table 1 Standards. Boron (hot water soluble) was carried through as a COC for the site for ecological receptors based on exceedance of the Table 3 Standard. COCs – Contaminants of concern CSM – Conceptual site model F – Fraction PSS – Property-specific standard RSC – Record of Site Condition TEQ – Toxicity Equivalent WDL SAA – West Don Lands Site Assessment Area

Information in this table pertains to the Record of Site Condition (RSC) 6, which is located within the Phase Two Property (Group 4) of the West Don Lands Site Assessment Area (WDL SAA).

4045430701_ES111010040828KWO Page 2 of 2 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012 CSM TABLE 4 COCs Identified in Groundwater at the RSC Property 1. Record of Site Condition 6, Group 4, West Don Lands, Toronto, ON Groundwater COCs Anthracene Dioxane 1,4 – Antimony (total/diss) Ethylene dibromide Arsenic (total/diss) Fluoranthene Benzo[a]anthracene Indeno[1,2,3-cd]pyrene Benzo[a]pyrene Mercury Benzo[b+j]fluoranthene Nickel (total/dis) Benzo[g,h,i]perylene Phenanthrene Benzo[k]fluoranthene Polychlorinated Biphenyls Bromomethane Pyrene Carbon Tetrachloride Selenium (total/dis) Chromium (total/dis) Sodium (total/dis) Chrysene Tetrachloroethane 1,1,2,2- Cobalt (total/dis) Tetrachloroethylene Copper (total/dis) Thallium (total/dis) Dibenz[a,h]anthracene Toluene Dichlorobenzene 1,2- Trichloroethane 1,1,1- Dichlorobenzene 1,3- Trichloroethane 1,1,2- Dichlorobenzene 1,4- Trichloroethylene Dichloroethane 1,1- Uranium Dichloroethylene 1,1- Vanadium (total/dis) Dichloroethylene 1,2-cis- Vinyl Chloride Dichloropropene 1,3- Zinc (total/dis) Notes: 1. Groundwater property-specific standards (PSS) were developed for each of the parameters identified in this table. COCs – Contaminants of concern CSM – Conceptual site model PSS – Property-specific standard RSC – Record of Site Condition WDL SAA – West Don Lands Site Assessment Area

Information in this table pertains to the Record of Site Condition (RSC) 6, which is located within the Phase Two Property (Group 4) of the West Don Lands Site Assessment Area (WDL SAA).

4045430501_ES050610083429TOR Page 1 of 1 © QUEEN’S PRINTER FOR ONTARIO, JANUARY 10, 2012

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i'"›r Ministry of the Environment e," Ontario Ministere de l'Environnement

Certificate of Property Use Environmental Protection Act, R.S.O. 1990, c.E.19, s.168.6

Certificate of property use number 0433-8F3LB4 Risk assessment number 4846-89CQ2U

Client: Her Majesty the Queen in right of Ontario as represented by the (Owner) Minister of Infrastructure do Ontario Infrastructure and Lands Corporation 2000-1 Dundas Street West Toronto, Ontario M5G 2L5

Site: West Don Lands Group 4, Toronto (Property)

169, 171 & 185 Eastern Ave, Toronto

With a legal description as set out in Schedule '1' and Property area highlighted in yellow on the attached Plan of Subdivision (Plan 66M-2488) dated September 9, 2011.

The conditions of this Certificate of Property Use (CPU) address the Risk Management Measures in the Risk Assessment noted above and described in detail in Part 1 below (Risk Assessment). In the event of a conflict between the CPU and the Risk Assessment, the conditions of the CPU take precedence.

Summary: Refer to Part I of the CPU, Interpretation, for the meaning of all the defined capitalized terms that apply to the CPU. i) CPU requirements addressed in Part 4 of the CPU, Director Requirements, are summarized as follows:

a. Installing/maintaining any equipment Yes b. Monitoring any contaminant Yes c. Refraining from constructing any building specified Yes d. Refraining from using the Property for any use specified No e. Other: Maintaining a barrier for site soils, implementing a Yes soil management plan and health and safety plan and methane management plan for the Property. ii) Duration of Risk Management Measures identified in Part 4 of the CPU is summarized as follows:

a. The barrier over the entirety of the Property shall be maintained indefinitely until the Director alters or revokes the CPU.

CPU 0433-8F3LB4 2011/12/22 Page 1 of 31 b. The site specific health and safety plan for workers exposed to site soils shall be required for as long as the Contaminants of Concern are present on the Property. The site specific methane management plan shall be required for as long as the potential for explosive risk associated with methane generation remains at the Property.

c. The soil management plan shall be required for the Property during any activities potentially in contact with or exposing site soils for as long as the Contaminants of Concern are present on the Property.

d. The air monitoring for any building on the Property shall commence prior to occupancy of any building on the Property and shall be carried out on a quarterly basis (every three months) for the first year, tri annually (every four months) for the second year and each year thereafter until such time as the Director, upon application by the Owner, has reviewed the data available and either alters or revokes the CPU.

e. Notwithstanding the requirements of item d above, the air monitoring for any building that contains a parking garage immediately beneath the occupied portion of the building on the Property shall commence upon completion of building construction and be carried out as a one time monitoring event prior to occupancy.

f. The ground water monitoring program on the Property shall commence prior to occupancy of any building on the Property and shall be carried out on a quarterly basis (every three months) for the first year, semi annually (every six months) for the second year and each year thereafter until such time as the Director, upon application by the Owner, has reviewed the data available and either alters or revokes the CPU.

g. All other Risk Management Measures shall continue indefinitely until the Director alters or revokes the CPU.

Part 1: Interpretation

In the CPU the following terms shall have the meanings described below: "Adverse Effect" has the same meaning as in the Act; namely, (a) impairment of the quality of the natural environment for any use that can be made of it, (b) injury or damage to property or to plant or animal life, (c) harm or material discomfort to any person, (d) an adverse effect on the health of any person, (e) impairment of the safety of any person, (f) rendering any property or plant or animal life unfit for human use, (g) loss of enjoyment of normal use of property, and (h) interference with the normal conduct of business.

"Act" means the Environmental Protection Act, R.S.O. 1990, c. E. 19, as amended. "Condominium Corporation" has the meaning set out in section 4.13 of the CPU.

"Contaminant" has the same meaning as in the Act; namely any solid, liquid, gas, odour, heat, sound, vibration, radiation or combination of any of them, resulting directly or indirectly from human activities that causes or may cause an Adverse Effect.

"Contaminants of Concern" has the meaning as set out in section 3.2 of the CPU.

"CPU" means this Certificate of Property Use Number 0433- 8F3LB4, as may be altered from time to time.

CPU 0433-8F3LB4 2011/12/22 Page 2 of 31 "Director" means the undersigned Director or any other person appointed as a Director for the purpose of issuing a certificate of property use.

"EBR" means the Environmental Bill of Rights, 1993, S.O. 1993, c. 28, as amended. "Granular Fill" means granular fill from a commercial sand and gravel pit or quarry licensed by the Ministry of Natural Resources pursuant to the Aggregate Resources Act, R.S.O. 1990, c. A. 8 or, if from a non- commercial source, granular fill that meets the Soil Cap Standards. "Hard Cap" means asphalt, concrete, paving stones, armour stone, gravel and/or interlocking stones.

"Ministry" means the Ontario Ministry of the Environment.

"O.Reg. 153/04" means Ontario Regulation 153/04, "Record of Site Condition — Part XV.1 of the Act" as amended, made under the Act.

"Owner" means the owner(s) of the Property, including the person(s) to whom this CPU is issued, Her Majesty the Queen in right of Ontario as represented by the Minister of Infrastructure, the current registered owner of the Property, or the Condominium Corporation if it has been created.

"OWRA" means the Ontario Water Resources Act, R.S.O. 1990, c. 0. 40, as amended. "Property" means the property that is the subject of the CPU and described in the "Site" section on page 1 above. "Property Specific Standards" means the property specific standards established for the Contaminants of Concern set out in the Risk Assessment and in section 3.2 of the CPU. "Provincial Officer" means a person who is designated as a provincial officer for the purposes of the Act.

"Qualified Person" means a person who meets the qualifications prescribed in 0. Reg. 153/04.

"Risk Assessment" means the Risk Assessment number 4846-89CQ2U accepted by the Director on March 21, 2011 and set out in the following documents: "Risk Assessment, Group 4, West Don Lands, Toronto, Ontario" dated September 21, 2010, prepared by CH2M Hill; "Risk Assessment, Group 4, West Don Lands, Toronto, Ontario" dated December 22, 2010, prepared by CH2M Hill; "Revised Risk Assessment, Group 4, West Don Lands, Toronto, Ontario" dated February 9, 2011, prepared by CH2M Hill; "Memorandum for Risk Assessment for Group 4 West Don Lands, Toronto, Ontario" prepared by CH2M HILL, dated March 3, 2011 and email from CH2MHi11 to Risk Assessment Coordinator, providing responses to MOE additional comments/questions on the RA and RMP, dated March 15, 2011. "Risk Management Measures" means the risk management measures specific to the Property described in the Risk Assessment and/or Part 4 of the CPU. "Soil Cap Standards" means the soil barrier risk based concentrations established for the Contaminants of Concern as set out in the Risk Assessment and in Schedule 'A' of the CPU. "Sub-Membrane Venting" means an engineered venting layer above the existing or new floor slab and below a second Vapour Barrier as designed by a professional engineer which operates in a passive manner but can be converted into an active system if necessary, providing pressure relief, collection and venting of vapours away from a building as described in the Risk Assessment. "Sub-Slab Venting" means an engineered sub-slab venting system designed by a professional engineer which operates in a passive manner but can be converted into an active system if necessary, providing pressure relief, collection and venting of soil vapours that is present under the foundation and vented away from a building footprint to the atmosphere as described in the Risk Assessment. CPU 0433-8F3LB4 2011/12/22 Page 3 of 31 "Tribunal" has the same meaning as in the Act; namely, the Environmental Review Tribunal.

"Unimpacted Fill" means materials that can be used in fill caps including soil meeting the Soil Cap Standards, Granular Fill, inert non-soil materials such as crushed concrete free of asbestos and hazardous materials, that has been deemed suitable by a Qualified Person, or cobbles.

"Vapour Barrier" means a vapour barrier meeting the appropriate gas permeability and chemical resistance specifications to be considered impermeable and resistant as per the Risk Assessment and installed along any portion of any building that is situated below grade.

Part 2: Legal Authority

2.1 Section 19 of the Act states that a certificate of property use is binding on the executor, administrator, administrator with the will annexed, guardian of property or attorney for property of the person to whom it was directed, and on any other successor or assignee of the person to whom it was directed.

2.2 Subsection 132(1.1) of the Act states that the Director may include in a certificate of property use a requirement that the person to whom the certificate is issued provide fmancial assurance to the Crown in right of Ontario for any one or more of, (a) the performance of any action specified in the certificate of property use; (b) the provision of alternate water supplies to replace those that the Director has reasonable and probable grounds to believe are or are likely to be contaminated or otherwise interfered with by a contaminant on, in or under the property to which the certificate of property use relates; and (c) measures appropriate to prevent adverse effects in respect of the property to which the certificate of property use relates.

2.3 Section 168.6 (1) of the Act states that if a risk assessment relating to a property has been accepted under clause 168.5 (1) (a), the Director may issue a certificate of property use to the owner of the property, requiring the owner to do any of the following things: (a) Take any action specified in the certificate that, in the Director's opinion, is necessary to prevent, eliminate or ameliorate any adverse effect that has been identified in the risk assessment, including installing any equipment, monitoring any contaminant or recording or reporting information for that purpose. (b) Refrain from using the property for any use specified in the certificate or from constructing any building specified in the certificate on the property.

2.4 Subsection 168.6(2) of the Act states that a certificate of property use shall not require an owner of property to take any action that would have the effect of reducing the concentration of a contaminant on, in or under the property to a level below the level that is required to meet the standards specified for the contaminant in the risk assessment.

2.5 Subsection 168.6(3) of the Act states that the Director may, on his or her own initiative or on application by the owner of the property in respect of which a certificate has been issued under subsection 168.6(1), (a) alter any terms and conditions in the certificate or impose new terms and conditions; or (b) revoke the certificate. 2.6 Subsection 168.6(4) of the Act states that if a certificate of property use contains a provision requiring the owner of property to refrain from using the property for a specified use or from constructing a specified building on the property, (a) the owner of the property shall ensure that a copy of the provision is given to every occupant of the property; (b) the provision applies, with necessary modifications, to every occupant of the property CPU 0433-8F3LB4 2011/12/22 Page 4 of 31 who receives a copy of the provision; and (c) the owner of the property shall ensure that every occupant of the property complies with the provision.

2.7 Subsection 197(1) of the Act states that a person who has authority under the Act to make an order or decision affecting real property also has authority to make an order requiring any person with an interest in the property, before dealing with the property in any way, to give a copy of the order or decision affecting the property to every person who will acquire an interest in the property as a result of the dealing.

2.8 Subsection 197(2) of the Act states that a certificate setting out a requirement imposed under subsection 197(1) may be registered in the proper land registry office on the title of the real property to which the requirement relates, if the certificate is in a form approved by the Minister, is signed or authorized by a person who has authority to make orders imposing requirements under subsection 197(1) and is accompanied by a registrable description of the property.

2.9 Subsection 197(3) of the Act states that a requirement, imposed under subsection 197(1) that is set out in a certificate registered under subsection 197(2) is, from the time of registration, deemed to be directed to each person who subsequently acquires an interest in the real property.

2.10 Subsection 197(4) of the Act states that a dealing with real property by a person who is subject to a requirement imposed under subsection 197(1) or 197(3) is voidable at the instance of a person who was not given the copy of the order or decision in accordance with the requirement.

Part 3: Background 3.1 The Risk Assessment was undertaken for the Property on behalf of the Owner to assess the human health risks and ecological risks associated with the presence or discharge of Contaminants on, in or under the Property and to identify appropriate Risk Management Measures to be implemented to ensure that the Property is suitable for the intended use: "residential use" as defined in 0. Reg. 153/04 notwithstanding parts of the Property will be used as "commercial use".

3.2 The Contaminants on, in or under the Property that are present above the Parkland/Residential/Institutional Property Use Standards within Table 1 of the Soil, Ground Water and Sediment Standards for Use under Part XV.1 of the Environmental Protection Act published by the Ministry and dated July 27, 2009 or for which there are no such standards, are set out in the Risk Assessment (Contaminants of Concern). The Property Specific Standards for the Contaminants of Concern are set out in Schedule 'A' and Schedule 'B' which is attached to and forms part of the CPU. Soil Cap Standards for the Contaminants of Concern are also set out in Schedule 'A'. Indoor air trigger levels and soil vapour trigger levels for the Contaminants of Concern are set out in Schedule 'C' and ground water trigger levels are set out in Schedule 'D' which are attached to and form part of the CPU. Also attached to and forming part of the CPU for reference purposes is a copy of following figures: Plan of Subdivision (Plan 66M-2488); Figure 7- 2 entitled "Proposed Groundwater Monitoring Nest Locations, Risk Assessment Group 4"; Figure M-1 entitled "Conceptual Design of Typical Hard Cap Barrier"; Figure M-2 entitled "Conceptual Design of Typical Fill Cap Barrier, Loose Material and Vegetation Protection Cover"; Figure M-3 entitled "Conceptual Design of Typical Fill Cap Barrier, Typical Cap Barrier Concept for Treed Areas"; Figure M-4 entitled "Conceptual Design of New Slab Construction, Passive Relief, Collection and Venting System"; Figure M-5 entitled "Conceptual Design of Building Plan, Pressure Relief, Collection and Venting System", Figure M-6 entitled "Conceptual Design of New Construction Passive Relief, Collection & Venting Systems for Saturated & Unsaturated Conditions"; Figure M-7 entitled "Conceptual Design of Cross-Section of Boot, Conduit and Pipe Penetration"; Figure M-8 entitled "Conceptual Design of Existing Building Retrofit Passive Relief Collection, and Sub-Membrane Venting System"; and Figure M-9 entitled "Conceptual Design of Underground Parking Garage VI RMM".

CPU 0433-8F3LB4 2011/12/22 Page 5 of 31 3.3 I am of the opinion, for the reasons set out in the Risk Assessment that the Risk Management Measures described therein and outlined in Part 4 of the CPU are necessary to prevent, eliminate or ameliorate an Adverse Effect on the Property.

3.4 The Risk Assessment indicates the presence of Contaminants of Concern which require on-going pathway elimination. As such, it is necessary to require the restriction on building construction as set out in the Risk Assessment and in Part 4 of the CPU.

Part 4: Director Requirements

Pursuant to the authority vested in me under section 168.6(1) of the Act, I hereby require the Owner to do or cause to be done the following:

Risk Management Measures

4.1 Implement, and thereafter maintain or cause to be maintained, the Risk Management Measures.

4.2 Without restricting the generality of the foregoing in Item 4.1, carry out or cause to be carried out the following key elements of the Risk Management Measures:

(a) The Property shall be covered by a barrier to site soils designed, installed and maintained so as to prevent exposure to the Contaminants of Concern. The barrier to site soils shall consist of Hard Cap, Granular Fill, soil and/or Unimpacted Fill meeting the requirements specified below: i. Marker layer such as marking tape or lightweight geotextile shall be placed on top of all site soils when the Hard Cap and/or Unimpacted Fill are less than 1 m in depth. ii. Where there is a Hard Cap surface, there shall be a minimum total depth of 0.3 m of Hard Cap and Granular Fill as shown in Figure M-1 of the CPU. iii. Where there is lawn/grass, the barrier shall consist of soil meeting the Soil Cap Standards to minimum depth of 0.15 m underlain by Unimpacted Fill to a minimum depth of 1.0 m as shown on Figure M-2 (detail 1). iv. Where there are shrubs and other plants with a rooting depth less than 1.0 m, the barrier shall be soil meeting the Soil Cap Standards to a minimum of 1.0 m as shown in Figure M-2 (detail 2) of the CPU. v. Where there are trees and other plants with a rooting depth greater than 1.0 m, the barrier shall be soil meeting the Soil Cap Standards to a minimum depth of 1.5 m as shown on Figure M-3 (detail 1) of the CPU. vi. Where there are existing trees located on the Property, the barrier shall be a layer of pavers, grates or other materials as specified by the Risk Assessment, underlain by non woven geotextile marker layer atop the undistributed surficial roots and site soils as shown on Figure M-3 (detail 2) of the CPU. The adjacent areas outside of the drip line of the trees shall be a Hard Cap and/or soil meeting the Soil Cap Standards to a minimum depth of 1.0 m underlain by non-woven geotextile as shown on Figure M-3 (detail 2). vii. Where edible plants or plants with edible produce are grown, the barrier shall consist of a soil to a minimum depth of 1.0 m meeting the Parkland/Residential/Institutional Property Use Standards within Table 1 of the Soil, Ground Water and Sediment Standards for Use under Part XV.1 of the Environmental Protection Act published by the Ministry and dated April 15„ 2011. There is no need for a barrier to site soils meeting the above requirements if public exposure to the Contaminants of Concern in site soils is prevented by fencing or other risk management measures as may be accepted in writing by the Director.

CPU 0433-8F3LB4 2011/12/22 Page 6 of 31 (b) The following vapour mitigation systems shall be designed, installed and maintained so as to prevent exposure to the Contaminants of Concern as follows: i. All new buildings constructed on the Property as a slab on grade (no below grade structures) shall include the sealing of foundation penetrations, Vapour Barrier and Sub-Slab Venting Risk Management Measures as shown in Figures M-4, M-5, M-6, and M-7 of the CPU. ii. All new buildings constructed on the Property that do not contain parking garages immediately beneath the occupied portions of the building shall include the sealing of foundation penetrations, Vapour Barrier and Sub-Slab Venting or Sub-Membrane Venting Risk Management Measures as shown in Figures M-4, M-5, M-6, and M-7 of the CPU. iii. All new or existing buildings on the Property that contain parking garages immediately beneath the occupied portions of the building shall include sealing of foundation and a Vapour Barrier as shown in Figure M-9 of CPU. iv. All existing buildings on the Property that do not contain parking garages immediately beneath the occupied portions of the building shall include sealing of foundation cracks and penetrations, sealing of sumps, a Vapour Barrier and a Sub-Membrane Venting Risk Management Measure as shown on Figure M-8. v. The Owner shall retain a copy of all Vapour Barriers, Sub-Slab Venting and Sub-membrane Venting as-built drawings signed by a professional engineer along with the proposed testing and performance requirements for the Vapour Barrier, Sub-Slab Venting System and/or Sub-Membrane Venting of any building on the Property for inspection upon request by a Provincial Officer. The Owner shall submit to the Director within three months (3) of the completion of any building on the Property, the as-built drawings of the Vapour Barrier, Sub-Slab Venting and/or Sub-Membrane Venting Risk Management Measures.

(c) An inspection and maintenance program shall be prepared and implemented to ensure the continuing integrity of the Vapour Barrier, Sub-Slab Venting System and Sub-Membrane Venting Risk Management Measures. With regards to the Vapour Barrier, inspections of the inside surface of the below grade exterior walls and floors will be made for potential breaches. With regard to the Sub-Slab Venting System and Sub-Membrane Venting, inspections of these venting systems where visually accessible, will be made for potential breaches. The inspection program shall include at a minimum, semi annually (spring and fall) inspections of all Vapour Barriers, Sub-Slab Venting Systems and Sub- Membrane Venting Risk Management Measures and any deficiencies shall be repaired forthwith. The inspection results shall be recorded in a log book maintained by the Owner and available upon request by a Provincial Officer.

(d) An inspection and maintenance program shall be prepared and implemented to ensure the continuing integrity of all barrier and fencing Risk Management Measures. The inspection program shall include at a minimum semi annually inspections (spring and fall) and after severe weather events. The inspections of all barriers and any barrier deficiencies shall be repaired forthwith. Results of all inspections, including analytical test results if applicable, and any maintenance performed shall be recorded in a log book maintained by the Owner and made available upon request by a Provincial Officer.

(e) The soil vapour (sub slab) and indoor air monitoring requirements shall commence prior to occupancy of any building on the Property. All air monitoring shall be in accordance to USEPA Method TO-15 for the Contaminants of Concerns listed in Schedule 'C' of the CPU with a summa canister, using a 24 hour regulator. The monitoring shall be carried out as follows: i. The indoor air monitoring for all buildings on the Property that contain parking garages immediately beneath the occupied portions of the building shall be a one time indoor air monitoring event unless conditions (v) and (vi) apply.

CPU 0433-8F3LB4 2011/12/22 Page 7 of 31 ii. The indoor air monitoring for all other buildings on the Property shall be carried out on a quarterly basis (every three months) for the first year, and tri annually (every four months) for the second year and each year thereafter until such time as the Director, upon application by the Owner, has reviewed the data available and either alters or revokes the CPU. Sampling locations for the indoor air monitoring shall be identified by an industrial hygienist or other appropriately qualified person to be protective of human health for any persons using or occupying the buildings on the Property. iii. Sub slab soil vapour monitoring shall be carried out at all monitoring ports on vent pipes on a quarterly basis (every three months) for the first year and tri annually (every four months) for the second year and each year thereafter until such time as the Director, upon application by the Owner, has reviewed the data available and either alters or revokes the CPU. The sub slab vapour monitoring shall coincide with the indoor air monitoring, however, no sub slab soil vapour monitoring is required for any building on the Property that contains a parking garage immediately beneath the occupied portions of the building. iv. If the air concentration for any Contaminants of Concern exceeds Schedule 'C' for any trigger level, the Owner shall immediately notify the Director in writing of the exceedances. v. If the air concentration for the Contaminants of Concern exceeds Schedule 'C' for any trigger level, then indoor air monitoring shall recommence for all Contaminants of Concern within 10 days of receipt of the analytical results and be carried out as follows: 1. If none of the concentrations of the Contaminants of Concern exceeds Schedule 'C' (indoor air trigger levels) on the recommenced indoor air monitoring event, then the indoor air monitoring shall be carried out on a quarterly basis (every three months) for a twelve (12) month period (4 additional monitoring events). 2. If any of the concentrations of the Contaminants of Concern exceeds Schedule 'C' (indoor air trigger levels), on the recommenced indoor air monitoring event, then a professional engineer shall, within 30 days of the receipt of the analytical results, either (a) develop and submit a detailed contingency plan to the Director (as outlined in the Risk Assessment); or (b) develop and submit a report to the Director that details these indoor air exceedances are due to background sources. The indoor air monitoring shall continue quarterly (every three months) until such time as the Director, upon application by the Owner, has reviewed the data available and either alters or revokes the CPU. vi. Should the measured ground water concentrations of any Contaminants of Concern exceed the Property Specific Standards, all air monitoring as described above in subsection 4.2 (e) shall be resumed if it has been discontinued, in order to determine whether additional remedial or Risk Management Measures are warranted and continued thereafter until such time as the Director, upon application by the Owner, has reviewed the available data and either alters or revokes the CPU. vii. The Owner may apply to the Director, anytime after the first year of indoor air monitoring for any building, to review the available data and alter the indoor air monitoring requirements for that building. Any such application must include a report from a Qualified Person regarding the indoor air monitoring results obtained to that date, an opinion that the proposed amendment is consistent with the Risk Assessment and represents an appropriate change to the Risk Management Measures and such other supporting documentation as required by the Director.

CPU 0433-8F3LB4 2011/12/22 Page 8 of 31 (f) The ground water monitoring program shall commence prior to occupancy of any building on the Property and shall be carried out on a quarterly basis (every three months) for the first year, semi annually (every six months) for the second year and each year thereafter until such time as the Director, upon application by the Owner, has reviewed the data available and either amends or revokes the CPU. The monitoring shall be carried out as follows: i. The ground water monitoring program shall consist of the advancement of eleven (11) ground water monitoring wells (four fill wells, four native wells and three bedrock wells) as shown on Figure 7-2 of the CPU. ii. Water from all monitoring wells shall be sampled according to Ministry's Protocol for Analytical Methods Used in the Assessment of Properties under Part XV.1 of the Environmental Protection Act (MOE, 2004b) as amended from time to time. iii. The Owner shall keep a copy of all sampling data available for inspection by a Provincial Officer upon request. iv. Should there be a reason to change the selected ground water monitoring wells and/or should a measured ground water concentration exceed the Property Specific Standards and/or the ground water trigger levels of Schedule `13' at any time, the Owner shall immediately notify the Director in writing.

(g) A soil management plan shall be prepared and implemented for the Property during any activities potentially in contact with or exposing site soils. A copy of the plan shall be made available for review by a Provincial Officer upon request. The plan shall be overseen by a Qualified Person and shall include, but not be limited to, provisions for soils excavation, stockpiling, characterization, disposal and record keeping as specified below: i. Dust control measures and prevention of soil tracking by vehicles and personnel from the Property, including wetting of soil with potable water, reduced speeds for on-site vehicles, tire washing stations and restricting working areas in high wind conditions; ii. Management of excavated materials including cleaning equipment, placement of materials for stockpiling on designated areas lined and covered with polyethylene sheeting, bermed and fenced to prevent access, runoff control to minimize contact and provisions for discharge to sanitary sewers or other approved treatment; iii. Characterization of excavated materials to determine if materials exceed the Property Specific Standards and/or the Soil Cap Standards shall follow the sampling strategy in the Risk Assessment. Excavated materials requiring offsite disposal as a waste shall be disposed of in accordance with the provisions of 0. Reg. 347, as amended, made under the Act. Excavated material meeting the Property Specific Standards may be placed on-site below the barrier if deemed suitable by a Qualified Person and in accordance with the Risk Assessment. Excavated material meeting the Soil Cap Standards may be placed within the soil barrier if deemed suitable by a Qualified Person and in accordance with the Risk Assessment. iv. Record keeping including dates and duration of work, weather and site conditions, location and depth of excavation activities, dust control measures, stockpile management and drainage, all materials characterization results, names of the Qualified Person, contractors, haulers and receiving sites for any materials removed from the Property and any complaints received relating to site activities.

(h) The Owner submitted a confirmation and verification report prepared and signed by a Qualified Person following the completion of the remediation identified in the Risk Assessment which confirms that all soils exceeding the Property Specific Standards have been remediated to or below the Property Specific Standards and the report is being CPU 0433 - 8F3LB4 2011/12/22 Page 9 of 31 reviewed by the Director. The Owner shall retain a copy of this report for inspection upon request by a Provincial Officer.

(i) The Owner shall ensure that a health and safety plan which takes into account the presence of the Contaminants of Concern is prepared and implemented prior to any excavation work including the work described in subsection 4.2 (g) being done on the Property in order to protect workers from exposure to the Contaminants of Concern. The health and safety plan shall be prepared in accordance with applicable Ministry of Labour health and safety regulations, along with all potential risks identified in the Risk Assessment and include, but not limited to, occupational hygiene requirements, personal protective equipment, contingency plans and contact information. Prior to initiation of any project (as defined in the Occupational Health and Safety Act, as amended) on the Property, the local Ministry of Labour office shall be notified of the proposed activities and that the Property contains contaminated soils. The health and safety plan shall be overseen by an appropriately qualified person to review the provisions of the plan with respect to the proposed site work and conduct daily inspections. The Owner shall ensure that a methane management plan which takes into account the presence of methane is prepared and implemented prior to commencement of any excavation work on the Property in order to protect workers from potential explosive risk associated with methane. The implementation of the methane management plan shall be overseen by an appropriately qualified person.

(k) The Owner shall submit a site plan prepared and signed by a Qualified Person within three (3) months of completion of site development which will describe the Property, placement and quality of all of the barriers to site soils. The site plan will include a plan and cross section drawings specifying the vertical and lateral extent of the barrier. This site plan shall be submitted to the Director and the Owner shall retain one copy for inspection upon request by a Provincial Officer. The site plan shall be revised and resubmitted to the Director following the completion of any alteration to the extent of the barrier.

(1) The Owner shall prepare by March 31 each year, annual reports documenting activities relating to the Risk Management Measures undertaken during the previous calendar year. A copy of this report shall be kept by the Owner for inspection and available promptly upon request by a Provincial Officer. The report shall include, but not be limited to, the following minimum information requirements: i. A copy of all records relating to the soil management plan and methane plan; ii. A copy of all records relating to the health and safety; iii. A copy of all records relating to the air monitoring including, but not limited to the following: a. all laboratory certificates; b. identification of all Contaminants of Concern which have air concentrations which exceed Schedule 'C'; c. all pressure readings on all summa canisters including all field pressure readings before and after the air sampling event. iv. A copy of all records relating to the ground water monitoring including, but not limited to the following: a. all laboratory certificates; and b. identification of all Contaminants of Concern which have ground water concentrations which exceed Schedule 'D' and Property Specific Standards. v. A copy of the log of inspections of the barrier and fencing Risk Management Measures and all repairs and maintenance efforts carried out to mitigate any concerns identified.

4.3 Refrain from using the Property for any of the following use(s): N/A

Page 10 of 31 CPU 0433-8F3LB4 2011/12/22

4.4 Refrain from constructing the following building(s): any building without a Vapour Barrier and a Sub-Slab Venting System or Sub-Membrane System, however, buildings that contain a parking garage immediately beneath the occupied portions of the building, do not require a Sub-Slab Venting System or Sub-Membrane System.

4.5 The Owner shall ensure that every occupant of the Property is given notice that the Ministry has issued this CPU and that it contains the provisions noted above in sections 4.3 and 4.4, unless noted N/A. For the purposes of this requirement, an occupant means any person with whom the Owner has a contractual relationship regarding the occupancy of all or part of the Property. Site Changes 4.6 In the event of a change in the physical site conditions or receptor characteristics at the Property that may affect the Risk Management Measures and/or any underlying basis for the Risk Management Measures, forthwith notify the Director of such changes and the steps taken, to implement, maintain and operate any further Risk Management Measures as are necessary to prevent, eliminate or ameliorate any Adverse Effect that will result from the presence on, in or under the Property or the discharge of any Contaminant of Concern into the natural environment from the Property. An amendment to the CPU will be issued to address the changes set out in the notice received and any further changes that the Director considers necessary in the circumstances. Reports 4.7 Retain a copy of any reports required under the CPU, the Risk Assessment and any reports referred to in the Risk Assessment (until otherwise notified by the Director) and within ten (10) days of the Director or a Provincial Officer making a request for a report, provide a copy to the Director or Provincial Officer.

Property Requirement 4.8 For the reasons set out in the CPU and pursuant to the authority vested in me under subsection 197(1) of the Act, I hereby order the Owner and any other person with an interest in the Property, other than persons with an interest in individual condominium units and appurtenant common interests in the Condominium Corporation, before dealing with the Property in any way, to give a copy of the CPU, including any amendments thereto, to every person who will acquire an interest in the Property, other than an interest in individual condominium units and appurtenant common interests in the Condominium Corporation, as a result of the dealing. Certificate of Requirement 4.9 Within fifteen (15) days from the date of receipt of a certificate of requirement, issued under subsection 197(2) of the Act, register the certificate of requirement on title to the Property in the appropriate land registry office.

4.10 Immediately after registration of the certificate of requirement, provide to the Director written verification that the certificate of requirement has been registered on title to the Property. Owner Change 4.11 While the CPU is in effect, forthwith report in writing, to the Director any changes of ownership of the Property, except that while the Property is registered under the Condominium Act, no notice shall be given of changes in the ownership of individual condominium units or any related common elements on the Property. Financial Assurance 4.12 Financial Assurance is not required as long as the registered owner of the Property is Her Majesty the Queen in right of Ontario as represented by a minister of the crown or agent.

CPU 0433-8F3LB4 2011/12/22 Page 11 of 31

Condominium Corporation as Owner 4.13 In the event that an Owner hereunder creates a corporation ("Condominium Corporation") by the registration of a declaration and description with respect to the Property, or part of the Property, pursuant to the Condominium Act, 1998, S.O. 1998, c.19, as amended, and the registered declaration of the Condominium Corporation includes a provision notifying condominium unit owners that (i) the CPU has been issued in respect of the Property; (ii) a copy of the CPU will be delivered to the first board of the Condominium Corporation pursuant to the Condominium Act, 1998 as amended, and shall be maintained as part of the records of the Condominium Corporation, and (iii) that a copy of the CPU may be obtained by any unit owner from the Condominium Corporation upon request subject only to payment of reasonable copying charges, the following special provisions shall apply to the Property, or part of the Property that is subject to Condominium Act, 1998, as amended, as the case may be: i. The Condominium Corporation shall become Owner for the purposes of the CPU. For greater certainty, the term "Owner" does not include the owner(s) of individual condominium units and appurtenant common interests in the Condominium Corporation. ii. The notice requirement in section 4.5 of the CPU shall be deemed to be satisfied. iii. The notice requirement in section 4.8 of the CPU shall be deemed to be satisfied. iv. The requirement to register the certificate of requirement on title pursuant to section 4.9 of the CPU shall not apply if a copy of the CPU has been delivered to the first board of the Condominium Corporation.

Part 5: General

5.1 The requirements of the CPU are severable. If any requirement of the CPU or the application of any requirement to any circumstance is held invalid, the application of such requirement to other circumstances and the remainder of the CPU shall not be affected thereby.

5.2 An application under sub section 168.6(3) of the Act to, a)alter any terms and conditions in the CPU or impose new terms and conditions; or b)revoke the CPU; shall be made in writing to the Director, with reasons for the request.

5.3 The Director may alter the CPU under subsections 132(2) or (3) of the Act to change a requirement as to financial assurance, including that the financial assurance may be increased or provided, reduced or released in stages. The total financial assurance required may be reduced from time to time or released by an order issued by the Director under section 134 of the Act upon request and submission of such supporting documentation as required by the Director.

5.4 Subsection 186(3) of the Act provides that non-compliance with the requirements of the CPU constitutes an offence.

5.5 The requirements of the CPU are minimum requirements only and do not relieve the Owner from, a) complying with any other applicable order, statute, regulation, municipal, provincial or federal law; or b) obtaining any approvals or consents not specified in the CPU.

5.6 Notwithstanding the issuance of the CPU, further requirements may be imposed in accordance with legislation as circumstances require. The Director shall also alter the CPU where the approval or acceptance of the Director is required in respect of a matter under the CPU and the Director either does not grant the approval or acceptance or does not grant it in a manner agreed to by the Owner.

5.7 In the event that, any person is, in the opinion of the Director, rendered unable to comply with any requirements in the CPU because of, a) natural phenomena of an inevitable or irresistible nature, or insurrections, b) strikes, lockouts or other labour disturbances,

Page 12 of 31 CPU 0433-8F3LB4 2011/12/22 c) inability to obtain materials or equipment for reasons beyond your control, or d) any other cause whether similar to or different from the foregoing beyond your control, the requirements shall be adjusted in a manner defined by the Director. To obtain such an adjustment, the Director must be notified immediately of any of the above occurrences, providing details that demonstrate that no practical alternatives are feasible in order to meet the requirements in question.

5.8 Failure to comply with a requirement of the CPU by the date specified does not absolve the Owner from compliance with the requirement. The obligation to complete the requirement shall continue each day thereafter.

Part 6: Hearing before the Environmental Review Tribunal 6.1 Pursuant to section 139 of the Act, you may require a hearing before the Environmental Review Tribunal (the "Tribunal"), if within fifteen (15) days after service on you of a copy of the CPU, you serve written notice upon the Director and the Tribunal.

6.2 Pursuant to section 142 of the Act, the notice requiring the hearing must include a statement of the portions of the CPU and the grounds on which you intend to rely at the hearing. Except by leave of the Tribunal, you are not entitled to appeal a portion of the CPU or to rely on a ground, that is not stated in the notice requiring the hearing.

6.3 Service of a notice requiring a hearing must be carried out in a manner set out in section 182 of the Act and Ontario Regulation 227/07: Service of Documents, made under the Act as they may be amended from time to time. The address, email address and fax numbers of the Director and the Tribunal are:

The Secretary Environmental Review Tribunal 655 Bay Street, Suite 1500 Toronto, ON, M5G 1E5 Fax: (416) 314-4506 Email: [email protected] and

Kathleen Anderson, Director Ministry of the Environment 5775 Yonge St., 8th Floor Toronto, Ontario M2M 4J1 Fax: 416-325-6345 Email: [email protected].

6.4 Unless stayed by application to the Tribunal under section 143 of the Act, the CPU is effective from the date of issue.

6.5 If you commence an appeal before the Tribunal, under section 47 of the Environmental Bill of Rights, 1993 (the "EBR"), you must give notice to the public in the EBR registry. The notice must include a brief description of the CPU (sufficient to identify it) and a brief description of the grounds of appeal.

The notice must be delivered to the Environmental Commissioner of Ontario who will place it on the EBR registry. The notice must be delivered to the Environmental Commissioner at 605-1075 Bay Street, Toronto, Ontario M5S 2B1 by the earlier of: CPU 0433-8F3LB4 2011/12/22 Page 13 of 31

6.5.1 two (2) days after the day on which the appeal before the Tribunal was commenced; and

6.5.2 fifteen (15) days after service on you of a copy of the CPU.

6.6 Pursuant to subsection 47(7) of the EBR, the Tribunal may permit any person to participate in the appeal, as a party or otherwise, in order to provide fair and adequate representation of the private and public interests, including governmental interests, involved in the appeal.

6.7 For your information, under section 38 of the EBR, any person resident in Ontario with an interest in the CPU may seek leave to appeal the CPU. Under section 40 of the EBR, the application for leave to appeal must be made to the Tribunal by the earlier of:

6.7.1 fifteen (15) days after the day on which notice of the issuance of the CPU is given in the EBR registry; and

6.7.2 if you appeal, fifteen (15) days after the day on which your notice of appeal is given in the EBR registry.

Issued at Toronto this 22nd day of December, 2011.

lar Kat • -;}"Anderson Direc or, section 168.6 of the Act

CPU 0433-8F3LB4 2011/12/22 Page 14 of 31 Schedule 'A' Property Specific Standards and Soil Cap Standards for West Don Land - Group 4

Environmental Media Contaminants of Concern Soil Cap Standards (.1g/g) Property Specific Standards (COC) (1-1-g/g) Soil Acenaphthene 10 10 Soil Acenaphthylene 2.6 2.6 Soil Acetone 2.5 40 Soil Anthracene 2.5 24 Soil Antimony 1.3 110 Soil Arsenic 18 49 Soil Barium 390 1300 Soil Benzene 0.8 0.8 Soil Benzo[a]anthracene 0.5 48 Soil Benzo[a]pyrene 0.3 46 Soil Benzo[b]fluoranthene 1 1.3 Soil Benzo[b+j]fluoranthene 1 46 Soil Benzo[ghi]perylene 6.6 23 Soil Benzo[k]fluoranthene 1 34 Soil Beryllium 3 3 Soil Boron (Hot Water Soluble) 1.5 2.7 Soil Bromodichloromethane 0.8 0.8 Soil Bromoform 0.8 0.8 Soil Bromomethane 0.24 1.2 Soil Cadmium 1.2 10 Soil Carbon Tetrachloride 0.8 0.8 Soil Chlorobenzene 0.8 0.8 Soil Chloroform 0.8 0.8 Soil Chromium 70 190 Soil Chromium VI 0.66 8.8 Soil Chrysene 4.7 47 Soil Cobalt 22 31 Soil Copper 140 580 Soil Cyanide (CN-) 0.051 0.21 Soil Dibenz[a,h]anthracene 0.12 6 Soil Dibromochloromethane 0.8 0.8 Soil Dichlorobenzene 1 2- 0.8 0.8 Soil Dichlorobenzene 1 3- 0.8 0.8 Soil Dichlorobenzene 1 4- 0.55 0.8 Soil Dichlorodifluoromethane 0.25 0.25 Soil Dichloroethane 1 1- 0.8 0.8 Soil Dichloroethane 1 2- 0.8 0.8 Soil Dichloroethylene 1 2-trans- 0.78 0.8 Soil Dichloroethylene 1 1- 0.8 0.8 Soil Dichloroethylene 1 2-cis- 1.4 1.4

CPU 0433-8F3LB4 2011/12/22 Page 15 of 31 Schedule 'A' Continued Property Specific Standards and Soil Cap Standards for West Don Lands -Group 4

Environmental Media Contaminants of Concern Soil Cap Standards Property Specific Standards (COC) (lig /g) (11g/g) Soil Dichloropropane 1 2- 0.8 0.8 Soil Dichloropropene 1 3- 0.4 1.6 Soil Dimethylphenol 2 4- 0.2 0.27 Soil Dioxin/Furan TEQ 0.000007 0.0001 Soil Electrical Conductivity 700 1400 (µS/cm) Soil Ethylbenzene 0.8 0.8 Soil Ethylene Dibromide 0.25 0.8 Soil Fluoranthene 0.69 120 Soil Fluorene 12 12 Soil Hexane (n) 0.25 0.25 Soil Indeno[ 1 2 3-cd]pyrene 0.38 30 Soil Lead 120 790 Soil Manganese 1300 2600 Soil Mercury 0.27 3.1 Soil Methyl Ethyl Ketone 10 10 Soil Methyl Isobutyl Ketone 10 10 Soil Methyl Mercury 0.0014 0.0014 Soil Methyl tert-Butyl Ether 0.8 0.8 (MTBE) Soil Methylene Chloride 0.78 1.2 Soil Methylnaphthalene 2-(1-) 3.2 6.8 Soil Molybdenum 2 22 Soil Naphthalene 0.6 6.3 Soil Nickel 100 150 Soil Petroleum Hydrocarbons Fl 150 150 Soil Petroleum Hydrocarbons F2 150 2100 Soil Petroleum Hydrocarbons F3 300 6000 Soil Petroleum Hydrocarbons F4 2800 7300 Soil Phenanthrene 6.2 110 Soil Polychlorinated Biphenyls 0.35 1.6 Soil Pyrene 10 110 Soil Selenium 1.5 5 Soil Silver 3 3 Soil Sodium Adsorption Ratio 5 14 Soil Styrene 0.8 0.8 Soil Tetrachloroethane 1 1 1 2- 0.8 0.8 Soil Tetrachloroethane 1 1 2 2- 0.11 0.8

CPU 0433-8F3LB4 2011/12/22 Page 16 of 31 Schedule 'A' Continued Property Specific Standards and Soil Cap Standards for West Don Lands — Group 4

Environmental Media Contaminants of Concern Soil Cap Standards Property Specific Standards (COC) (.tg /g) (11g/g) Soil Tetrachloroethylene 3.8 3.8 Soil Thallium 1 1.7 Soil Toluene 6 6 Soil Trichloroethane 1 1 1- 4.8 4.8 Soil Trichloroethane 1 1 2- 0.8 0.8 Soil Trichloroethylene 1 1 Soil Vanadium 86 100 Soil Vinyl Chloride 0.64 0.8 Soil Xylene Mixture 5.8 5.8 Soil Zinc 340 3300 *The methylnaphthalene standards are applicable to both 1-methylnaphthalene and 2- methylnaphthalene , with the provision that if both are detected the sum of the two must not exceed the standard

CPU 0433-8F3LB4 2011/12/22 Page 17 of 31 Schedule 'B'

Pro ■V 1 Environmental Contaminants of Concern Property Specific Media (COC) Standards (1.1g/L) Ground Water Anthracene 0.48 Ground Water Antimony 1.8 Ground Water Arsenic 16 Ground Water Benzo[a]anthracene 1.4 Ground Water Benzo[a]pyrene 1.6 Ground Water Benzo[b+j]fluoranthene 1.4 Ground Water Benzo[ghi]perylene 1.2 Ground Water Benzo[k]fluoranthene 1.2 Ground Water Bromomethane 3 Ground Water Carbon Tetrachloride 0.5 Ground Water Chromium 23 Ground Water Chrysene 1.5 Ground Water Cobalt 6.7 Ground Water Copper 9.6 Ground Water Dibenz[a,h]anthracene 0.31 Ground Water Dichlorobenzene 1 2- 1 Ground Water Dichlorobenzene 1 3- 1 Ground Water Dichlorobenzene 1 4- 1 Ground Water Dichloroethane 1 1- 11 Ground Water Dichloroethylene 1 1- 2.4 Ground Water Dichloroethylene 1 2-cis- 6.7 Ground Water Dichloropropene 1 3- 2 Ground Water Dioxane 1 4 - 100 Ground Water Ethylene Dibromide 1 Ground Water Fluoranthene 3.3 Ground Water Indeno[1,2,3-cd]pyrene 1.2 Ground Water Mercury 0.34 Ground Water Nickel 19 Ground Water Phenanthrene 3.5 Ground Water Polychlorinated Biphenyls 7.7 Ground Water Pyrene 2.6 Ground Water Selenium 8.1 Ground Water Sodium 2,000,000 Ground Water Tetrachloroethane 1 1 2 2- 1 Ground Water Tetrachloroethylene 60 Ground Water Thallium 0.74 Ground Water Toluene 1 Ground Water Trichloroethane 1 1 1- 25 Ground Water Trichloroethane 1 1 2- 1 Ground Water Trichloroethylene 8.3 Ground Water Uranium 14 Ground Water Vanadium 20 Ground Water Vinyl Chloride 7.6 Ground Water Zinc 230

CPU 0433-8F3LB4 2011/12/22 Page 18 of 31 Schedule 'C' Indoor Air and Soil Vapour Trigger Levels for West Don Land — Group 4

Contaminants of Concern (COC) Indoor Air Trigger Soil Vapour Trigger Levels (pg/m3) Levels (ug/m3) Benzene 0.5 25 Dichloroethane 1,1- 34 1,721 Dichloroethane 1,2 0.043 2.15 Dichloroethylene 1,1- 14.6 730 Dichloroethylene 1,2-cis 31 1,565 Methylene Chloride 48 2,400 Naphthalene 0.77 38.5 Petroleum Hydrocarbons Fl 621 31,050 Petroleum Hydrocarbons F2 107 5,350 Tetrachloroethylene 52 2,607 Trichloroethane 1,1,1- 209 10,429 Trichloroethylene 0.56 28 Vinyl Chloride 0.13 6.5

Schedule `D' Ground Water Trigger Levels for West Don Lands — Group 4

Contaminants of Concern (COC) Trigger Levels (gg/L) Dichloroethylene 1,1- 1.6 Dichloroethylene 1,2-cis- 1.6 Dichloroethylene 1,2-trans 1.6 Tetrachloroethylene 1.6 Trichloroethylene 1.6 Vinyl Chloride 0.16

CPU 0433-8F3LB4 2011/12/22 Page 19 of 31 Schedule 'V West Don Lands Group 4 Legal Description

Legal Description Current Owner BLOCK 17, PLAN 66M2488 SUBJECT TO AN EASEMENT AS IN AT2824753 CITY OF TORONTO; BEING ALL OF PIN 21077-0313 (LT) MOi

MOI = Ministry of Infrastructure The Property that is the subject matter of this CPU is noted above which are highlighted and outlined in Plan of Subdivision (Plan 66M-2488), a copy of which is attached to this CPU. The current owner of the Property is indicated on the table. When the block is transferred, there may be an amendment made to the CPUs as appropriate to reflect the change in ownership of the block and alterations to any Risk Management Measures that are appropriate at the time of the transfer.

CPU 0433-8F3LB4 2011/12/22 Page 20 of 31

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CPU 0433-8F3LB4 2011/12/22 Page 22 of 31

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CPU 0433-8F3LB4 2011/12/22 Page 23 of 31

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CPU 0433-8F3LB4 2011/12/22 Page 24 of 31 Figure M-3

CPU 0433-8F3LB4 2011/12/22 Page 25 of 31 Figure M-4 February 3 7:11

CONCRETE SLAB

PROTECTIVE SAND LAYER

VAPOUR BARRIER (WELDED JOINTS. CONTINUOUS ■ BARRIER) ti ... !!ElIIII111111111111111111111111111111111111111111111111111111111111 . RIGID INSULATION q..9.*:"9;69;-■ 5'O• • o- • 'o• ••■ • • . o (OPTIONAL) — PRESSURE REL EF, COLLECTION. AND VENTING SYSTEM PERFORATED GAS '0 900 9.0-0 5..00 • '0 9 -0 n.• •0 —0 9 • to COMPONENTS VENTING PIPE --: • - • . rt6k7) _.000111,•- /aUBGRADE •.\\' \\ s: PEA GRAVEL (13 TO 19rnm NA)

GEOTEXTILE (NON-WOVEN) BELOW PEA GRAVEL

FIGURE M•4 Conceptual Design of New Slab Construction Passive Relief, Collection, and Venting System

West Don Lands, Ontario Realty Corporation Toronto, Ontario NOT TO SCALE

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CPU 0433-8F3LB4 2011/12/22 Page 27 of 31 Figure M-6

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Figure M-7 elroary 3 2011

BUTYL MASTIC TAPE NEOPRENE RUBBER PAD 2 - 13mm SS CLAMPS

SLEEVE BOOT

CONCRETE SLAB GAS VENTING I UTILITY PIPE OR CONDUIT

PIPE SLEEVE LINK SEALS

PROTECTIVE SAND LAYER FUSION OR SOLVENT WELD WATER STOP BOOT TO GEOMEMBRANE 2 - 13mm SS CLAMPS

WATFRPROOF VAPOUR RARRIFR ===t2g=kwarcr. GEOMEMBRANE BOOT to

FIGURE M-7 Conceptual Design of Cross-Section of Boot, Conduit and Pipe Penetration

West Don Lands, Ontario Realty Corporation Toronto, Ontario NOT TO SCAT F

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Figure M-8

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CPU 0433-8F3LB4 2011/12/22 Page 30 of 31 Figure M-9

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