FINAL REPORT SOIL AND GROUNDWATER ASSESSMENT TITLE AREA OF PROPOSED FUTURE DEVELOPMENT, SOUTHWEST PORTION OF 2263 PORTOBELLO BOULEVARD, OTTAWA, ON

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1 FINAL REPORT SOIL AND GROUNDWATER ASSESSMENT TITLE AREA OF PROPOSED FUTURE DEVELOPMENT, SOUTHWEST PORTION OF 2263 PORTOBELLO BOULEVARD, OTTAWA, ON City of Ottawa SNCLAVALIN INC. June 2016 FINAL REPORT Project n

2 EXECUTIVE SUMMARY The Environment & Geoscience business unit of SNCLavalin Inc. (SNCLavalin) was retained by the City of Ottawa (the City) to conduct a soil and groundwater investigation for the portion of the City s property located at 2263 Portobello Boulevard in Ottawa, Ontario that is proposed for future development as a fire station (herein referred as the site ). Field work activities were completed between April 26 and May 30, The objective of soil and groundwater investigation was to evaluate soil and groundwater conditions in the area that is proposed for the future development as a fire station. The investigation included characterization of potential impacts to soil and groundwater related to areas of potential environmental concern (APECs) and their associated potential contaminants of concern (PCOCs) identified in the Phase One Environmental Site Assessment (SNCLavalin, 2016). However, since no APECs or PCOCs were identified within the specific portion of the site proposed for development the soil and groundwater analytical parameters were selected based on PCOCs identified in other areas of the larger property at 2263 Portobello Boulevard. The analytical parameters included electrical conductivity (EC), sodium adsorption ratio (SAR), metals, benzene, toluene, ethylbenzene and xylenes (BTEX), petroleum hydrocarbons fractions (F1F4 PHC), and polycyclic aromatic hydrocarbons (PAHs). Soil and groundwater analytical results were compared to full depth site condition standards for medium and fine textured soil and industrial/commercial/community property use in a nonpotable groundwater condition (i.e. MOE Table 3). Analysed concentrations of EC, SAR, metals, BTEX, F1F4 PHCs and PAHs in all analysed soil samples satisfied MOE Table 3 site condition standards with the exception of vanadium concentrations in the soil sample collected from BH2 ( m) and its field duplicate. Analysed concentrations of chloride, dissolved metals, BTEX, F1F4 PHCs and PAHs satisfied MOE Table 3 standards in the groundwater sample that was collected from MW3. Soil and groundwater quality were also assessed relative to soil and groundwater guidelines for management and disposal during construction. In general, the results of the investigation indicate that soil at the site is generally suitable for the intended property use, and excavated soil generated during construction would be suitable for reuse on the site; however, reuse of soils with elevated vanadium concentrations would require further evaluation as part of a soil management plan. Reuse of the soil at an offsite property may be limited by metals concentrations that exceeded MOE Table 1 standards, therefore additional consideration to the suitability of the receiving site would be required. If excess soil is intended to be disposed at a landfill, the soil may be considered nonhazardous solid industrial waste in the Province of Ontario. Further, the results of the investigation also indicate that groundwater at the site is suitable for the intended property use. If excavation dewatering is required during development, it may be feasible to discharge the water to land at the site. It may also be feasible to discharge excavation water to the City's sewer system(s) although some form of treatment to reduce turbidity/suspended solids/metals would likely be required. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential i

3 Based on the results and conclusions of the current investigation, the following recommendations are offered with respect to proposed future development of the site as a fire station: As an onsite source has not been identified for vanadium concentrations in soil exceeding MOE Table 3 site condition standards, and since the elevated concentrations are potentially naturally occurring, further delineation of vanadium concentrations in soil is not recommended at this time.. A soil management plan should be developed if excavated soil is intended for reuse as fill onsite or offsite. The plan should recognize the potential restrictions for both reuse onsite due to vanadium concentrations exceeding MOE Table 3 standards as well as for reuse offsite due to exceedances of MOE Table 1 standards. The plan should also consider the guidance provided in the Ontario Ministry of the Environment and Climate Change (MOECC) document "Management of Excess Soil A Guide for Best Management Practices" (MOECC, 2014) and proposed update Proposed Excess Soil Management Policy Framework (MOECC, 2016). A groundwater management plan should also be developed if excavations below the water table are anticipated (i.e. if dewatering is required). The plan should evaluate water taking permitting requirements, if any (e.g. listing on the Environmental Sector and Activity Registry [EASR]; Permit to Take Water [PTTW]) and water discharge management (e.g. discharge to sewer(s), discharge to land, monitoring requirements, discharge permits [sewer use, environmental compliance approvals (ECAs)]). The estimated cost for a combined soil and groundwater management plan providing general guidance with respect to management of excess materials generated during construction is approximately $5,000, excluding permitting fees. Monitoring wells at the site should be decommissioned in accordance with Ontario Regulation 903 prior to site development and/or if it is determined that they are no longer required. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential ii

4 TABLE OF CONTENTS Page EXECUTIVE SUMMARY... I 1 INTRODUCTION SITE DESCRIPTION CURRENT AND PROPOSED FUTURE USES APPLICABLE SITE CONDITION STANDARDS SCOPE OF INVESTIGATION OBJECTIVE AND SCOPE OF WORK INVESTIGATION METHOD BOREHOLE DRILLING SOIL SAMPLING FIELD SCREENING MEASUREMENTS GROUNDWATER MONITORING WELL INSTALLATION GROUNDWATER MONITORING GROUNDWATER SAMPLING ANALYTICAL TESTING RESIDUE MANAGEMENT PROCEDURES ELEVATION SURVEYING QUALITY ASSURANCE AND QUALITY CONTROL MEASURES REVIEW AND EVALUATION GEOLOGY GROUNDWATER MONITORING RESULTS SOIL FIELD SCREENING SOIL QUALITY Waste Characterization GROUNDWATER QUALITY QUALITY ASSURANCE AND QUALITY CONTROL RESULTS SOIL AND GROUNDWATER QUALITY CONSIDERATIONS DURING CONSTRUCTION10 Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential iii

5 6 CONCLUSIONS AND RECOMMENDATIONS CONCLUSIONS RECOMMENDATIONS NOTICE TO READER REFERENCES Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential iv

6 LIST OF FIGURES Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Site Location Site Investigation Area Site Layout & Borehole/Monitoring Well Locations Summary of Analysed Concentrations in Soil Summary of Analysed Concentrations in Groundwater LIST OF TABLES Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Groundwater Monitoring Summary Soil Analytical Results Inorganics and Metals Soil Analytical Results Petroleum Parameters and PAHs Waste Characterization Results Groundwater Analytical Results General Chemistry and Metals Groundwater Analytical Results Petroleum Parameters and PAHs Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential v

7 LIST OF APPENDICES Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Standards Selection Analyses Borehole Logs and MOECC Well Record Quality Assurance & Quality Control Laboratory Certificates of Analysis Soil Laboratory Certificates of Analysis Groundwater Comparison to Fill Standards & Discharge Limits Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential vi

8 1 INTRODUCTION The Environment & Geoscience business unit of SNCLavalin Inc. (SNCLavalin) was retained by the City of Ottawa (the City) to conduct a soil and groundwater investigation for the portion of the City s property located at 2263 Portobello Boulevard in Ottawa, Ontario that is proposed for future development as a fire station (herein referred as the site ). Field work activities were completed between April 26 and May 30, SITE DESCRIPTION The site is located south of the existing François Dupuis Recreation Centre, and southeast of the intersection of Brian Coburn Boulevard and Portobello Boulevard (Figure 1). The investigation was conducted for the portion of the property proposed for future development as shown in Figure 2. The larger property at 2263 Portobello Boulevard was first developed circa 1943 with a military radio transmitter/receiver station in the east portion of the property. The property was later leased to the National Research Council (NRC) in the 1970s and 1980s for aerial spray testing experiments using petroleum hydrocarbon based spray materials. City records indicate the property was purchased for use as a nonengineered snow disposal site in Potential snow disposal activities are believed to have been limited to areas in the east portion of the property and circa 2003 to None of these activities are believed to have included the specific portion of the site proposed for development. 1.2 CURRENT AND PROPOSED FUTURE USES The site is currently vacant with no prior development identified in this portion of the property. Development of the site as a fire station has been proposed. 1.3 APPLICABLE SITE CONDITION STANDARDS Site condition standards for use at this site were selected from the Ontario Ministry of the Environment "Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act" (MOE, 2011) using the approach described by Ontario Regulation 153/04 (as amended by O. Reg. 269/11). The following site specific information was used to select standards for the site: The site is not an environmentally sensitive area (as defined by Section 41 of O. Reg. 153/04) since: o The site is not within, does not include, is not adjacent to, is not part of and does not include land that is within 30 m of an area of natural significance (as defined by O. Reg. 153/04); and, o The ph of surface soil is within the 5 to 9 range and subsurface soil is within the 5 to 11 range (Appendix A); Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 1

9 The site is not a shallow soil property since more than 2/3 of the site has at least 2 m of soil cover; The site does not include all or part of a water body, is not adjacent to a water body, and does not include land that is within 30 m of a water body (as defined by O. Reg. 153/04); The full depth restoration option is assumed; Restoration of groundwater to potable levels is not required since: o Developed properties located, in whole or in part, within 250 m of the boundaries of the site, are supplied by a municipal drinkingwater system as defined in the Safe Drinking Water Act, 2002 (supply source: Ottawa River) and no wells (as defined in O. Reg. 153/04) are known to exist within 250 m; o It is assumed the site and any other undeveloped properties within 250 m of the site would connect to the existing municipal drinkingwater system if they were to be developed; o The property is not located within an area designated as a wellhead protection area (or equivalent); and, o The land will not be used for agricultural or other use (as defined by O. Reg. 153/04) based on future development plans; The site is currently vacant. The proposed future use of the site (fire station) would be considered industrial; and, Based on the described lithology at the site (Appendix B), soil within the site would be classified as medium and fine textured since it is estimated that more than 2/3 of the soil at the site, measured by volume, consists of soil that contains 50 percent or more by mass of particles that are smaller than 75 µm in mean diameter. Based on the above information, the soil and groundwater standards selected for this site for comparative purposes correspond to the full depth site condition standards for medium and fine textured soil and industrial/commercial/community property use in a nonpotable groundwater condition (i.e. MOE, 2011; Table 3). Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 2

10 2 SCOPE OF INVESTIGATION 2.1 OBJECTIVE AND SCOPE OF WORK The objective of this work program was to evaluate soil and groundwater conditions in the area that is proposed for the future development as a fire station. The investigation included characterization of potential impacts to soil and groundwater related to areas of potential environmental concern (APECs) and their associated potential contaminants of concern (PCOCs) identified in the Phase One Environmental Site Assessment (SNCLavalin, 2016). However, since no APECs or PCOCs were identified within the specific portion of the site proposed for development (SNCLavalin, 2016), the soil and groundwater analytical parameters were selected based on PCOCs identified in other areas of the larger property at 2263 Portobello Boulevard. In order to achieve the objective identified above, a scope of work was developed in conjunction with the City consisting of the following tasks: Drill three (3) boreholes; Submit selected borehole soil samples for laboratory analyses of electrical conductivity (EC), sodium adsorption ratio (SAR), metals, benzene, toluene, ethylbenzene and xylenes (BTEX), petroleum hydrocarbons fractions (F1F4 PHC), and polycyclic aromatic hydrocarbons (PAHs) 1 ; Install one (1) environmental overburden monitoring well in a completed borehole to permit groundwater monitoring and sampling 2 ; Collect a groundwater sample from the newly installed monitoring well for laboratory analyses of general water quality parameters, dissolved metals, BTEX, F1F4 PHC, and PAHs; Compare soil and groundwater analytical results to applicable provincial site condition standards; and, Discuss soil and groundwater quality with respect to soil and groundwater management during construction. The soil and groundwater investigation was undertaken in conjunction with geotechnical investigations, as outlined in SNCLavalin s proposal, dated March 1, Methodologies and findings associated with the geotechnical investigation are provided under separate cover. 1 The proposed scope of work included analyses for organochlorine pesticides and phenoxy acid herbicides. Based on the results of the Phase One ESA (SNCLavalin, 2016), pesticides and herbicides were discounted as PCOCs. 2 Two (2) hydraulic piezometers were also installed for geotechnical purposes. Water levels measured in the piezometers are discussed herein. All other details pertaining to the hydraulic piezometers are discussed under separate cover. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 3

11 3 INVESTIGATION METHOD The field program for the soil and groundwater investigation was completed in April and May of 2016 and consisted of the following elements: Preliminary Activities; Borehole Drilling and Soil Sampling; Groundwater Monitoring Well Installation; and, Groundwater Monitoring and Sampling. The soil and groundwater investigation was completed using field and laboratory analysis protocols based on O. Reg. 153/04, as amended, and standard operating procedures (SOPs) described in the SNCLavalin Field Work Guidance Manual. All field tasks completed as part of the investigation were subject to a site specific health and safety program implemented by SNCLavalin. 3.1 BOREHOLE DRILLING Prior to conducting any intrusive work, SNCLavalin retained USL1 Underground Service Locators Inc. (USL1) of Ottawa, Ontario to locate onsite public and private underground services. USL1 confirmed that each proposed drilling location was free of public and/or private services prior to any ground disturbance. From April 26 to 29, 2016, three (3) boreholes (BH1 to BH3) were drilled under the supervision of SNCLavalin personnel. Drilling was conducted using a CME55 trackmounted hydraulic drill rig operated by George Downing Estate Drilling Ltd. (Downing) of GrenvillesurlaRouge, Québec. Boreholes were completed to depths ranging from 6.1 metres below ground surface (m bgs; terminating in overburden) to 22.1 m bgs (terminating in bedrock). Boreholes were advanced in overburden using hollow stem augers (210 mm outer diameter) and in bedrock 3 using NWcasings [92 mm outside diameter (O.D.)] and NQ (71 mm O.D.) coring equipment. In overburden, soil samples were collected using 0.6 m long, 51 mm O.D. split spoon samplers. The split spoons were cleaned between samples to minimize the potential for crosscontamination. Borehole locations are shown in Figure 3. Borehole logs including sample descriptions are provided in Appendix B. 3 Bedrock coring was conducted to confirm the depth of bedrock for geotechnical purposes. Bedrock conditions are not discussed in any detail in this report. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 4

12 3.2 SOIL SAMPLING Soil samples submitted for environmental analyses were identified using nomenclature to identify the borehole (BH) and sequential soil sample (e.g. BH24 is the fourth soil sample from the borehole identified as BH2). Soil samples were immediately split into two (2) portions for field logging/screening and for possible laboratory analysis. The field logging/screening portion was placed in a sealable plastic bag and logged in the field for soil type (e.g. colour, moisture content, cohesiveness, etc.) and visual evidence of impacts (e.g. staining, presence of ash or debris, etc.). Field screening methods are described in Section 3.3. The portion of each soil sample collected for potential laboratory analysis was placed directly into laboratory supplied sample jars and placed in a cooler with ice. At least one (1) soil sample from each borehole was submitted for laboratory analyses. In total, seven (7) soil samples were submitted for laboratory analyses of EC, SAR, metals, BTEX, F1F4 PHC, and/or PAHs. Of these soil samples, two (2) were collected as field duplicates for quality assurance and quality control (QA/QC) purposes and are discussed in Section 3.10 and Appendix C. One (1) additional soil sample was analysed for O. Reg. 347 waste characterization parameters, including Schedule 4 toxicity characteristic leaching procedure (TCLP) metals, inorganics, volatiles, semivolatiles and PCBs, as well as bulk soil flashpoint/ignitability. 3.3 FIELD SCREENING MEASUREMENTS The portion of each soil sample for field logging/screening was placed in a sealable plastic bag. Maximum headspace vapour readings in the sample bags were measured in the field using an RKI Eagle/Eagle 2 organic vapour meter (OVM). The OVM was calibrated daily in the field in methaneelimination mode to one (1) hexane gas standard. Field screening with the OVM was conducted for the purpose of qualitatively directing selection of samples for volatile parameters (e.g., BTEX/F1 PHC). 3.4 GROUNDWATER MONITORING WELL INSTALLATION One (1) of the overburden boreholes (BH3) was instrumented with a monitoring well and was redesignated as MW3. The monitoring well was constructed by Downing using PVC well screens and risers and the annulus surrounding the well was backfilled with silica sand and bentonite as detailed in the borehole logs included in Appendix B. The well was protected with a steel monument ("stickup") protective casing. MW3 was instrumented with an inertial hand pump constructed of a plastic foot valve and low density polyethylene tubing. The monitoring well was developed on May 5, 2016 by removing more than three (3) well volumes of groundwater. Observations of groundwater turbidity and any evidence of the presence of light non aqueous phase liquid (LNAPL) were also recorded. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 5

13 MW3 was registered by Downing with the Ontario Ministry of the Environment and Climate Change (MOECC) in accordance with Ontario Regulation 903. A copy of the well record is included in Appendix B. 3.5 GROUNDWATER MONITORING Groundwater monitoring was conducted at the site on April 29 and May 5, 10, and 30, Monitoring well and piezometer locations are presented in Figure 3. Monitoring activities included measuring the initial headspace organic vapor reading and assessing the presence of LNAPL in the monitoring well, and measuring water levels in the monitoring well and piezometers. Water levels were measured from the top of the PVC monitoring well riser pipe using an electronic water level meter. During monitoring well development and sampling, the potential presence of LNAPL was assessed through visual inspection of groundwater purged from the well. Prior to use in each well, the water level meter was cleaned to minimize the potential for crosscontamination. 3.6 GROUNDWATER SAMPLING Groundwater samples were collected from MW3 on May 10, Prior to sampling, a minimum of three (3) well volumes of groundwater was purged from MW3. Observations of groundwater turbidity and any evidence of the presence of LNAPL were also recorded. With the exception of F2F4 PHCs and PAHs, groundwater samples were collected using the dedicated inertial hand pump. Groundwater samples for F2F4 PHCs and PAHs were collected using a peristaltic pump to reduce sediment in the samples because sediment in the water samples can result in falsepositive detections of these parameters. The groundwater sample collected for metals analyses was field filtered using a dedicated inline 0.45 μm filter. Samples for laboratory analysis were collected directly into laboratory supplied sample bottles and placed in a cooler with ice. One (1) groundwater sample was submitted for laboratory analyses of general water quality parameters, dissolved metals, BTEX, F1F4 PHCs, and PAHs on May 10, An additional field blank sample was collected for QA/QC purposes as discussed in Section 3.10 and Appendix C. 3.7 ANALYTICAL TESTING All soil and groundwater samples were collected in laboratory prepared sampling containers and stored in a cooler with ice until delivery to the analytical laboratory. Laboratory analyses of soil and groundwater were completed by Paracel Laboratories Ltd. (Paracel) of Ottawa, Ontario. Paracel is accredited by the Canadian Association for Laboratory Accreditation Inc. (CALA). 3.8 RESIDUE MANAGEMENT PROCEDURES Given future development plans for the site, excess soil generated during drilling was left onsite. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 6

14 3.9 ELEVATION SURVEYING Borehole locations and ground surface elevations were surveyed by City staff prior to intrusive activities at the site. Ground surface and top of pipe elevations are reported relative to a local benchmark [located at the southeast corner of a concrete pad on Portobello Boulevard, north of the site, and having a geodetic elevation of m above mean sea level (amsl)] QUALITY ASSURANCE AND QUALITY CONTROL MEASURES A QA/QC program was implemented to minimize and quantify impacts introduced during sample collection, handling, shipping and analysis. Details of the QA/QC program are discussed in Appendix C. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 7

15 4 REVIEW AND EVALUATION 4.1 GEOLOGY Stratigraphic information collected during the current intrusive investigation indicates that the overburden at the site generally consists of thin surficial layers of silty clay fill and/or silty clay organic soil overlying native silty clay to a depths ranging from 9.8 to 13.1 m bgs underlain by native gravely sand till to bedrock. Limestone bedrock was encountered at depths of 13.1 and 13.4 m bgs. No surficial silty clay fill was observed at the location of BH1. Additional details on the soil stratigraphy are provided in the borehole logs in Appendix B. 4.2 GROUNDWATER MONITORING RESULTS Groundwater monitoring results are summarized in Table 1. Water levels measured in May 2016 at MW3 (screened in shallow clay) ranged from 1.3 to 1.7 m bgs, with corresponding groundwater elevations of to m amsl. Water levels measured in May 2016 at PZ1 and PZ2 (screened in till) ranged from 2.5 to 3.4 m bgs, with corresponding groundwater elevations of to m amsl. The direction of horizontal groundwater flow could not be determined due to the limited number of monitoring locations (<3 wells with similar screened intervals). However, based on the available water levels the vertical hydraulic gradient is interpreted to be downward. No evidence of free product, visible petroleum film or sheen was observed during monitoring, purging or sampling of the monitoring well in May SOIL FIELD SCREENING Field observations and the results of field screening of soil samples are summarized in the borehole logs (Appendix B). The maximum OVM reading measured during borehole drilling was 10 parts per million by volume (ppmv). This is considered to be a low value. 4.4 SOIL QUALITY Analysed concentrations in soil are presented alongside the selected provincial standards in Tables 2 and 3. Copies of laboratory certificates of analyses are included in Appendix D. The following table summarizes sampling locations where analysed concentrations in soil exceeded MOE Table 3 standards. Comparisons to MOE Table 3 standards are further discussed in the following sections. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 8

16 Sampling Location Sample ID Sample Depth (m bgs) Soil Description BH1 BH Organic Soil / Native Silty Clay Analysed Parameters EC/SAR, Metals PAHs Concentrations exceeding applicable MOE Table 3 standards None BH2 BH21A (and 00.6 Silty Clay Fill EC/SAR None duplicate) BH24 (and Native Silty Clay Metals, PAHs Metals* duplicate) BH3 BH Silty Clay Fill BTEX, PHC None BH Native Silty Clay EC/SAR None * Vanadium was the only metal that exceeded MOE Table 3 standards. Analysed concentrations of EC, SAR, metals, BTEX, F1F4 PHCs and PAHs satisfied MOE Table 3 standards with the exception of vanadium concentrations in the soil sample collected from BH2 ( m) and its field duplicate. Vanadium concentrations of 91.0 and 97.1 µg/g were measured in BH2 and exceeded the MOE Table 3 standard of 86 µg/g Waste Characterization One (1) soil sample was analysed for O. Reg. 347 waste characterization parameters. Analytical results for the waste characterization soil sample are provided in Table 4. Results indicate that soil from the site may be considered nonhazardous waste for the purpose of offsite disposal in the Province of Ontario. 4.5 GROUNDWATER QUALITY Analysed concentrations in groundwater are presented alongside the selected provincial standards in Tables 5 and 6. Copies of laboratory certificates of analyses are included in Appendix E. Analysed concentrations of chloride, dissolved metals, BTEX, F1F4 PHCs and PAHs satisfied MOE Table 3 standards in the groundwater sample collected from MW QUALITY ASSURANCE AND QUALITY CONTROL RESULTS The results of the quality assurance and quality control (QA/QC) program are discussed in Appendix C. The results of field and laboratory QA/QC measures associated with analysed soil and groundwater samples were generally acceptable. Where deviations were identified, the effects were determined to be negligible and are not believed to have materially affected the conclusions based on these results. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 9

17 5 SOIL AND GROUNDWATER QUALITY CONSIDERATIONS DURING CONSTRUCTION Based on proposed development plans for the site, soil and groundwater quality were compared to criteria relevant to the management of excess soil and groundwater during construction. Summary tables comparing soil and groundwater quality relevant criteria are provided in Appendix F. Analysed soil concentrations were compared to MOE Table 1 full depth background site condition standards as these are considered by the MOECC as standards for inert fill. There are no restrictions on the movement and placement of soils with concentrations satisfying MOE Table 1 standards provided the soils contain no putrescible materials, soluble or decomposable chemical substances, or any sort of humanderived debris (e.g. concrete, brick, glass, metal, wood, etc.). Analysed concentrations of barium, chromium, cobalt and vanadium in the soil sample collected from BH2 ( m bgs) 4 and/or its field duplicate exceeded MOE Table 1 (i.e. inert fill) standards for residential/parkland/institutional/industrial/commercial/community property uses (i.e. all property uses excluding agricultural and other as defined by O. Reg. 153/04). Concentrations of EC, SAR, BTEX, F1F4 PHCs and PAHs in soil samples collected from the site satisfied MOE Table 1 standards. In general, the results of the investigation indicate that soil at the site is generally suitable for the intended property use, and excavated soil generated during construction would be suitable for reuse on the site; however, reuse of soils with elevated vanadium concentrations would require further evaluation as part of a soil management plan.. Reuse of the soil at an offsite property may be limited by metals concentrations that exceeded MOE Table 1 standards, therefore additional consideration to the suitability of the receiving site would be required. If excess soil is intended to be disposed at a landfill, the soil may be considered nonhazardous solid industrial waste in the Province of Ontario. Groundwater quality was assessed relative to City of Ottawa Sewer Use ByLaw limits for both storm and sanitary/combined sewer discharge and Provincial Water Quality Objectives (PWQOs). Permits for the discharge of excess groundwater generated during typical construction activities generally require that discharged water meet City ByLaw discharge limits and/or PWQOs, dependent on how excess water is discharged and subject to any associated agreements with regulators. Based on the groundwater sample collected from MW3, groundwater quality at the site satisfies City of Ottawa ByLaw limits for storm and sanitary/combined sewers. The analysed uranium concentration in groundwater from the site exceeded PWQOs and laboratory detection limits were higher than PWQOs for hexavalent chromium and some PAH parameters. It should also be noted that metals concentrations reported in groundwater samples are from filtered samples (i.e µm filter), whereas City discharge limits and PWQOs are generally for unfiltered samples. It is cautioned that the actual metals concentrations in groundwater in an excavation 4 It is not uncommon to encounter naturally occurring, elevated concentrations of these parameters in clayrich soil in the Ottawa Area. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 10

18 during pumping would likely be higher than those reported herein due to absorption of metals onto suspended soil particle surfaces (i.e. there would likely be more and/or higher magnitude metals exceedances). Further, PAH concentrations reported in groundwater samples are from low turbidity samples collected using lowflow sampling techniques. If excavation water has elevated turbidity, the PAH concentrations in this water would likely be higher than those reported herein due to absorption of PAHs onto suspended soil particle surfaces. Overall, the results of the investigation indicate that groundwater at the site is suitable for the intended property use. If excavation dewatering is required during development, it may be feasible to discharge the water to land at the site. It may also be feasible to discharge excavation water to the City's sewer system(s), although some form of treatment to reduce turbidity/suspended solids/metals would likely be required. Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 11

19 6 CONCLUSIONS AND RECOMMENDATIONS 6.1 CONCLUSIONS The following conclusions are offered based on the results of the current investigation: Soil and groundwater standards selected for this site based on proposed future development as a fire station correspond to the full depth site condition standards for medium and fine textured soil and industrial/commercial/community property use in a nonpotable groundwater condition (i.e. MOE Table 3). Analysed concentrations of EC, SAR, metals, BTEX, F1F4 PHCs and PAHs in soil samples satisfied MOE Table 3 site condition standards with the exception of vanadium concentrations in the soil sample collected from BH2 ( m) and its field duplicate. Vanadium concentrations (91.0 and 97.1 µg/g) marginally exceeded the MOE Table 3 standard of 86 µg/g. Analysed concentrations of chloride, dissolved metals, BTEX, F1F4 PHCs and PAHs satisfied MOE Table 3 standards in the groundwater sample collected from MW3. The results of waste characterization analyses indicate that soil from the site may be considered nonhazardous waste for the purpose of offsite disposal in the Province of Ontario. Analysed concentrations of barium, chromium, cobalt and vanadium in the soil sample collected from BH2 ( m bgs) and/or its field duplicate exceeded MOE Table 1 standards therefore at least some soils at the site would not meet MOECC requirements for inert fill. Groundwater quality at the site satisfies City of Ottawa ByLaw limits for storm and sanitary/combined sewers, but metals concentrations in groundwater exceed PWQOs. 6.2 RECOMMENDATIONS Based on the results and conclusions of the current investigation, the following recommendations are offered with respect to proposed future development of the site as a fire station: As an onsite source has not been identified for vanadium concentrations in soil exceeding MOE Table 3 site condition standards, and since the elevated concentrations are potentially naturally occurring, further delineation of vanadium concentrations in soil is not recommended at this time. A soil management plan should be developed if excavated soil is intended for reuse as fill onsite or offsite. The plan should recognize the potential restrictions for both reuse onsite due to vanadium concentrations exceeding MOE Table 3 standards as well as for reuse offsite due to exceedances of MOE Table 1 standards. The plan should also consider the guidance provided in the Ontario Ministry of the Environment and Climate Change (MOECC) document "Management of Excess Soil A Guide for Best Management Practices" Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 12

20 (MOECC, 2014) and proposed update Proposed Excess Soil Management Policy Framework (MOECC, 2016). A groundwater management plan should also be developed if excavations below the water table are anticipated (i.e. if dewatering is required). The plan should evaluate water taking permitting requirements, if any (e.g. listing on the Environmental Sector and Activity Registry [EASR]; Permit to Take Water [PTTW]) and water discharge management (e.g. discharge to sewer(s), discharge to land, monitoring requirements, discharge permits [sewer use, environmental compliance approvals (ECAs)]). The estimated cost for a combined soil and groundwater management plan providing general guidance with respect to management of excess materials generated during construction is approximately $5,000, excluding permitting fees. Monitoring wells at the site should be decommissioned in accordance with Ontario Regulation 903 prior to site development and/or if it is determined that they are no longer required. 6.3 NOTICE TO READER This report has been prepared and the work referred to in this report have been undertaken by SNCLavalin Inc., Environment & Water (SNCLavalin) for the exclusive use of the City of Ottawa (the Client), who has been party to the development of the scope of work and understands its limitations. The methodology, findings, conclusions and recommendations in this report are based solely upon the scope of work and subject to the time and budgetary considerations described in the proposal and/or contract pursuant to which this report was issued. Any use, reliance on, or decision made by a third party based on this report is the sole responsibility of such third party. SNCLavalin accepts no liability or responsibility for any damages that may be suffered or incurred by any third party as a result of the use of, reliance on, or any decision made based on this report. The findings, conclusions and recommendations in this report (i) have been developed in a manner consistent with the level of skill normally exercised by professionals currently practicing under similar conditions in the area, and (ii) reflect SNCLavalin s best judgment based on information available at the time of preparation of this report. No other warranties, either expressed or implied, are made as to the professional services provided under the terms of our original contract and included in this report. The findings and conclusions contained in this report are valid only as of the date of this report and may be based, in part, upon information provided by others. If any of the information is inaccurate, new information is discovered, site conditions change or applicable standards are amended, modifications to this report may be necessary. The results of this assessment should in no way be construed as a warranty that the subject site is free from any and all contamination. Any soil and rock descriptions in this report and associated logs have been made with the intent of providing general information on the subsurface conditions of the site. This information should not Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 13

21 be used as geotechnical data for any purpose unless specifically addressed in the text of this report. Groundwater conditions described in this report refer only to those observed at the location and time of observation noted in the report. This report must be read as a whole, as sections taken out of context may be misleading. If discrepancies occur between the preliminary (draft) and final version of this report, it is the final version that takes precedence. Nothing in this report is intended to constitute or provide a legal opinion. The contents of this report are confidential and proprietary. Other than by the Client, copying or distribution of this report or use of or reliance on the information contained herein, in whole or in part, is not permitted without the express written permission of the Client and SNCLavalin. SNCLAVALIN INC. Zachary Macmillan, BA (Env), ETECH Junior Environmental Specialist Environment & Geoscience Melanie Siewert, P.Geo. (Limited) Senior Environmental Geoscientist Environment & Geoscience Robert Timlin, P.Geo. Regional Manager Environment & Geoscience Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 14

22 7 REFERENCES Ontario Ministry of the Environment (MOE), Soil, Ground Water and Sediment Standards for Use Under Part XV.1 of the Environmental Protection Act, April 15, Ontario Ministry of the Environment and Climate Change (MOECC), Proposed Excess Soil Management Policy Framework. Posted to the Environmental Bill of Rights (EBR) Registry for public comment on January 28, Ontario Ministry of the Environment and Climate Change (MOECC), Management of Excess Soil A Guide for Best Management Practices. PIBS 9603e. January SNCLavalin Inc. (SNCLavalin), Phase One Environmental site Assessment, Undeveloped Portions of 2263 Portobello Boulevard, 2360 Trim Road and Associated Lands, Ottawa, ON. June, Soil and Groundwater Assessment Portion of 2263 Portobello Blvd, Ottawa, ON 24/06/ City of Ottawa Final Report SNCLavalin Inc All rights reserved Confidential 15

23 FIGURES

24

25

26

27

28

29 TABLES

30 TABLE 1 GROUNDWATER MONITORING SUMMARY 2263 Portobello Boulevard, Ottawa, Ontario 1 Ground Top of Top of Bottom of Water Surface Riser Well ScreenWell Screen Well Product Depth to Depth to Level Sampling Elevation 1 Elevation 1 Elevation 1 Elevation 1 Depth OVM Thickness Water Water Elevation 1 Location (m amsl) (m amsl) (m amsl) (m amsl) (m bgs) Date Reading 2 (mm) (m btr) (m bgs) (m amsl) PZ /Apr/16 nm nm * 5/May/16 nm nm * 10/May/16 nm nm * 30/May/16 nm nm * PZ /Apr/16 nm nm * 5/May/16 nm nm * 10/May/16 nm nm * 30/May/16 nm nm * MW /Apr/16 nm nm nm nm nm 5/May/16 <5 nd * 10/May/16 <5 nd * 30/May/16 nm nm * Elevations measured with respect to a local benchmark (southeast corner of concrete pad on Portobello Boulevard north of site). Reported elevation = m amsl 2 Organic vapour measurements by RKI Eagle/Eagle 2. Values in ppmv or % LEL hexane. m amsl m bgs metres above mean sea level. metres below ground surface. m btr metres below top of the monitoring well riser pipe. ppmv parts per million by volume (relative to hexane). % LEL percent of lower explosive limit (relative to hexane). nm not monitored. nd not detected. * Water level elevation above top of well screen. Product, if present, may be thicker than observed. Ref.: Page 1 of 1

31 TABLE 2: Soil Analytical Results Inorganics and Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Table 3 1 BH11 BH21A BH211A BH24 BH244 BH34 Laboratory Sample ID Standard Sample Location BH1 BH2 BH2 BH2 BH2 BH3 Sampling Date (yyyy/mm/dd) 2016/04/ /04/ /04/ /04/ /04/ /04/29 Depth Interval (mbgs) na na Field Screen (ppmv) 0 0 na 0 na 0 Duplicate of Duplicate of Parameter RDL Units BH21A BH24 Inorganics Electrical Conductivity ms/cm Sodium Adsorption Ratio (SAR) 0.01 None Total Metals Antimony 1.0 µg/g 50 < 1.0 < 1.0 < 1.0 Arsenic 1.0 µg/g Barium 1.0 µg/g Beryllium 1.0 µg/g 10 < 1.0 < 1.0 < 1.0 Boron (Hot Water Soluble) 0.5 µg/g 2 < 0.5 < 0.5 < 0.5 Boron 1.0 µg/g Cadmium 0.5 µg/g 1.9 < 0.5 < 0.5 < 0.5 Chromium (total) 1.0 µg/g Chromium (VI) 0.2 µg/g 10 < Cobalt 1.0 µg/g Copper 1.0 µg/g Lead 1.0 µg/g Mercury 0.1 µg/g 20 < 0.1 < 0.1 < 0.1 Molybdenum 1.0 µg/g 40 < 1.0 < 1.0 < 1.0 Nickel 1.0 µg/g Selenium 1.0 µg/g 5.5 < 1.0 < 1.0 < 1.0 Silver 0.5 µg/g 50 < 0.5 < 0.5 < 0.5 Thallium 1.0 µg/g 3.3 < 1.0 < 1.0 < 1.0 Uranium 1.0 µg/g 33 < 1.0 < 1.0 < 1.0 Vanadium 1.0 µg/g Zinc 1.0 µg/g All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. m bgs metres below ground surface. OVM Reading organic vapour meter reading (in ppmv unless noted). ppmv parts per million by volume. % LEL percent of the lower explosive limit of hexane. µg/g micrograms per gram. ms/cm millisiemens per centimetre. BOLD Concentration greater than Table 3 Standard. 1 Table 3 full depth generic site condition standards in a nonpotable groundwater condition for industrial/commercial/community property use, medium and fine textured soils (MOE, 2011). SNCLAVALIN INC. Page 1 of

32 TABLE 3: Soil Analytical Results Petroleum Parameters and PAHs 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Table 3 1 BH11 BH24 BH244 BH31 Laboratory Sample ID Standard Sample Location BH1 BH2 BH2 BH3 Sampling Date (yyyy/mm/dd) 2016/04/ /04/ /04/ /04/29 Depth Interval (mbgs) na Field Screen (ppmv) 0 0 na 0 Duplicate of Parameter RDL Units BH24 Volatiles Benzene 0.02 µg/g 0.4 < 0.02 Toluene 0.05 µg/g 78 < 0.05 Ethylbenzene 0.05 µg/g 19 < 0.05 Xylenes 0.05 µg/g 30 < 0.05 m+pxylenes 0.05 µg/g na < 0.05 oxylenes 0.05 µg/g na < 0.05 Petroleum Hydrocarbon (PHC) Fractions PHC F1 7 µg/g 65 < 7 PHC F2 4 µg/g 250 < 4 PHC F3 8 µg/g 2,500 < 8 PHC F4 6 µg/g 6,600 < 6 PAHs Acenaphthene 0.02 µg/g 96 < 0.02 < 0.02 < 0.02 Acenaphthylene 0.02 µg/g 0.17 < 0.02 < 0.02 < 0.02 Anthracene 0.02 µg/g 0.74 < 0.02 < 0.02 < 0.02 Benzo(a)anthracene 0.02 µg/g 0.96 < 0.02 < 0.02 < 0.02 Benzo(a)pyrene 0.02 µg/g 0.3 < 0.02 < 0.02 < 0.02 Benzo(b)fluoranthene 0.02 µg/g 0.96 < 0.02 < 0.02 < 0.02 Benzo(g,h,i)perylene 0.02 µg/g 9.6 < 0.02 < 0.02 < 0.02 Benzo(k)fluoranthene 0.02 µg/g 0.96 < 0.02 < 0.02 < 0.02 Chrysene 0.02 µg/g 9.6 < 0.02 < 0.02 < 0.02 Dibenzo(a,h)anthracene 0.02 µg/g 0.1 < 0.02 < 0.02 < 0.02 Fluoranthene 0.02 µg/g 9.6 < 0.02 < 0.02 < 0.02 Fluorene 0.02 µg/g 69 < 0.02 < 0.02 < 0.02 Indeno(1,2,3cd)pyrene 0.02 µg/g 0.95 < 0.02 < 0.02 < 0.02 Methylnaphthalene, µg/g 85 < 0.02 < 0.02 < 0.02 Methylnaphthalene, µg/g 85 < 0.02 < 0.02 < 0.02 Methylnaphthalene, 1 & µg/g 85 < 0.04 < 0.04 < 0.04 Naphthalene 0.01 µg/g 28 < 0.01 < 0.01 < 0.01 Phenanthrene 0.02 µg/g 16 < 0.02 < 0.02 < 0.02 Pyrene 0.02 µg/g 96 < 0.02 < 0.02 < 0.02 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. m bgs metres below ground surface. OVM Reading organic vapour meter reading (in ppmv unless noted). ppmv parts per million by volume. % LEL percent of the lower explosive limit of hexane. µg/g micrograms per gram. ms/cm millisiemens per centimetre. BOLD Concentration greater than Table 3 Standard. 1 Table 3 full depth generic site condition standards in a nonpotable groundwater condition for industrial/commercial/community property use, medium and fine textured soils (MOE, 2011). SNCLAVALIN INC. Page 1 of

33 TABLE 4: WASTE CHARACTERIZATION RESULTS 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Laboratory Sample ID Sampling Location Sampling Date Leachate Quality Parameter RDL Units Criteria ¹ BH32C BH3 29Apr16 TCLP Parameters Inorganics: Arsenic 0.05 mg/l 2.5 <0.05 Barium 0.05 mg/l Boron 0.05 mg/l Cadmium 0.01 mg/l 0.5 <0.01 Chromium 0.05 mg/l 5 <0.05 Cyanide 0.02 mg/l 20 Fluoride 0.05 mg/l Lead 0.05 mg/l 5 <0.05 Mercury mg/l 0.1 <0.005 Nitrite 1.0 mg/l nc <1.0 Nitrate 1.0 mg/l nc <1.0 Nitrate and Nitrite (as N) 2.0 mg/l 1000 <2.0 Selenium 0.05 mg/l 1 <0.05 Silver 0.05 mg/l 5 <0.05 Uranium 0.05 mg/l 10 <0.05 Volatiles: Benzene mg/l 0.5 <0.005 Carbon tetrachloride (Tetrachloromethane) mg/l 0.5 <0.005 Chlorobenzene (Monochlorobenzene) mg/l 8 <0.004 Chloroform mg/l 10 < ,2Dichlorobenzene (odichlorobenzene) mg/l 20 < ,4Dichlorobenzene (pdichlorobenzene) mg/l 0.5 < ,2Dichloroethane (Ethylene dichloride) mg/l 0.5 < ,1Dichloroethylene (Vinylidene chloride) mg/l 1.4 <0.006 Methylene chloride / Dichloromethane 0.04 mg/l 5 <0.04 Methyl ethyl ketone / Ethyl methyl ketone 0.30 mg/l 200 <0.3 Tetrachloroethylene mg/l 3 <0.005 Trichloroethylene mg/l 5 <0.004 Vinyl Chloride mg/l 0.2 <0.005 SemiVolatiles: Benzo(a)pyrene mg/l < PCBs mg/l 0.3 <0.003 Ignitability na C NF/NI >70 mg/l milligrams per litre. RDL Reporting Detection Limit, unless otherwise noted. TCLP Toxicity Characteristic Leaching Procedure. na not applicable. nc no criteria. NF/NI non flammable and non ignitable. < less than RDL. <### less than adjusted RDL (###). not analysed. <### adjusted RDL (###) exceeds leachate quality criterion. BOLD Concentration exceeds leachate quality criterion. ¹ Ontario Regulation 347 as amended. "Waste Management". Schedule 4 Leachate Quality Criteria. SNCLAVALIN INC. Page 1 of

34 TABLE 5 : Groundwater Analytical Results General Chemistry and Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Table 3 1 MW3 Laboratory Sample ID Standard Sample Location MW3 Sampling Date (yyyy/mm/dd) 2016/05/10 Parameter RDL Units Physical Parameters Conductivity 5 µs/cm na 1,050 Hardness (CaCO 3 ) 1.0 mg/l na 341 Inorganics Alkalinity ph mg/l na 575 Chloride 1000 µg/l 2,300,000 18,000 Fluoride 100 µg/l na 400 Nitrate Nitrogen 100 µg/l na < 100 Nitrite Nitrogen 50 µg/l na < 50 ph 0.1 ph na 7.9 Sulphate 1000 µg/l na 6,000 Dissolved Metals Antimony 0.5 µg/l 20,000 < 0.5 Arsenic 1 µg/l 1,900 < 1 Barium 1 µg/l 29, Beryllium 0.5 µg/l 67 < 0.5 Boron 10 µg/l 45, Cadmium 0.1 µg/l 2.7 < 0.1 Chromium (total) 1 µg/l 810 <1 Chromium (VI) 10 µg/l 140 < 10 Cobalt 0.5 µg/l 66 < 0.5 Copper 0.5 µg/l Lead 0.1 µg/l 25 < 0.1 Mercury 0.1 µg/l 2.8 < 0.1 Molybdenum 0.5 µg/l 9, Nickel 1 µg/l Selenium 1 µg/l 63 < 1 Silver 0.1 µg/l 1.5 < 0.1 Sodium 20,000 µg/l 2,300, ,000 Thallium 0.1 µg/l 510 < 0.1 Uranium 0.1 µg/l Vanadium 0.5 µg/l Zinc 5 µg/l 1,100 < 5 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. µs/cm microsiemens per centimetre. mg/l milligrams per litre. BOLD Concentration greater than Table 3 Standard. 1 Table 3 full depth generic site condition standards in a nonpotable groundwater condition for all types of property use, medium and fine textured soils (MOE, 2011). SNCLAVALIN INC. Page 1 of

35 TABLE 6: Groundwater Analytical Results Petroleum Parameters and PAHs 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Table 3 1 MW3 Laboratory Sample ID Standard Sample Location MW3 Sampling Date (yyyy/mm/dd) 2016/05/10 Parameter RDL Units Volatiles Benzene 0.5 µg/l 430 < 0.5 Toluene 0.5 µg/l 18,000 < 0.5 Ethylbenzene 0.5 µg/l 2,300 < 0.5 Xylenes 0.5 µg/l 4,200 < 0.5 m+pxylenes 0.5 µg/l na < 0.5 oxylenes 0.5 µg/l na < 0.5 Petroleum Hydrocarbon (PHC) Fractions PHC F1 25 µg/l 750 < 25 PHC F2 100 µg/l 150 < 100 PHC F3 100 µg/l 500 < 100 PHC F4 100 µg/l 500 < 100 PAHs Acenaphthene 0.05 µg/l 1,700 < 0.05 Acenaphthylene 0.05 µg/l 1.8 < 0.05 Anthracene 0.01 µg/l 2.4 < 0.01 Benzo(a)anthracene 0.01 µg/l 4.7 < 0.01 Benzo(a)pyrene 0.01 µg/l 0.81 < 0.01 Benzo(b)fluoranthene 0.05 µg/l 0.75 < 0.05 Benzo(g,h,i)perylene 0.05 µg/l 0.2 < 0.05 Benzo(k)fluoranthene 0.05 µg/l 0.4 < 0.05 Chrysene 0.05 µg/l 1 < 0.05 Dibenzo(a,h)anthracene 0.05 µg/l 0.52 < 0.05 Fluoranthene 0.01 µg/l 130 < 0.01 Fluorene 0.05 µg/l 400 < 0.05 Indeno(1,2,3cd)pyrene 0.05 µg/l 0.2 < 0.05 Methylnaphthalene, µg/l 1,800 < 0.05 Methylnaphthalene, µg/l 1,800 < 0.05 Methylnaphthalene, 1 & µg/l 1,800 < 0.10 Naphthalene 0.05 µg/l 6,400 < 0.05 Phenanthrene 0.05 µg/l 580 < 0.05 Pyrene 0.01 µg/l 68 < 0.01 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. BOLD Concentration greater than Table 3 Standard. 1 Table 3 full depth generic site condition standards in a nonpotable groundwater condition for all types of property use, medium and fine textured soils (MOE, 2011). SNCLAVALIN INC. Page 1 of

36 APPENDIX A Standards Selection Analyses

37 St. Laurent Blvd Ottawa, ON, K1G 4J Certificate of Analysis SNCLavalin Inc. (Ottawa) 20 Colonnade Road Suite 110 Ottawa, ON K2E 7M6 Attn: Melanie Siewert Client PO: Project: _16.129/Portobello Custody: Report Date: 9May2016 Order Date: 2May2016 Order #: This Certificate of Analysis contains analytical data applicable to the following samples as submitted: Paracel ID Client ID BH BH BH13 Approved By: Mark Foto, M.Sc. Lab Supervisor Any use of these results implies your agreement that our total liabilty in connection with this work, however arising, shall be limited to the amount paid by you for this work, and that our employees or agents shall not under any circumstances be liable to you in connection with this work. Page 1 of 7

38 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Analysis Summary Table Analysis Method Reference/Description Extraction Date Analysis Date Anions EPA IC, water extraction 6May16 6May16 ph, soil EPA ph 25 C, CaCl buffered ext. 2May16 3May16 Solids, % Gravimetric, calculation 3May16 3May16 Page 2 of 7

39 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Physical Characteristics Client ID: BH23 BH38 BH13 Sample Date: 26Apr16 29Apr16 28Apr16 Sample ID: MDL/Units Soil Soil Soil % Solids 0.1 % by Wt General Inorganics ph 0.05 ph Units Anions Chloride 5 ug/g dry Sulphate 5 ug/g dry Page 3 of 7

40 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Blank Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Anions Chloride ND 5 ug/g Sulphate ND 5 ug/g Page 4 of 7

41 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Duplicate Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Anions Sulphate ug/g dry General Inorganics ph ph Units Physical Characteristics % Solids % by Wt Page 5 of 7

42 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Anions Chloride ug/g ND Sulphate ug/g Page 6 of 7

43 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Qualifier Notes : None Sample Data Revisions None Work Order Revisions / Comments : None Other Report Notes : n/a: not applicable ND: Not Detected MDL: Method Detection Limit Source Result: Data used as source for matrix and duplicate samples %REC: Percent recovery. RPD: Relative percent difference. Soil results are reported on a dry weight basis when the units are denoted with 'dry'. Where %Solids is reported, moisture loss includes the loss of volatile hydrocarbons. Page 7 of 7

44

45 APPENDIX B Borehole Logs and MOECC Well Record

46 LOCATION : 2263 Portobello Boulevard, Ottawa, Ontario CLIENT PROJECT FILE DEPTH (m) 0,01 3,03 9,83 ELEVATION (m) GEODETIC 89,10 89,09 86,07 79,27 : City of Ottawa : Proposed Fire Station : DESCRIPTION ORGANIC SOIL (silty clay). SILTY CLAY. Consistency: very stiff to firm. Plasticity: high (CH) to medium (CL). TILL: gravely sand and silt, some clay. Compactness: very loose to compact. BOREHOLE LOG WATER LEVEL SS1 SS2 SS3 SS4 SS5 SS6 SS7 SS8 SS9 SS10 SS11 SS12 SS13 SS14 SS15 SS16 SAMPLES TYPE AND NUMBER CONDITION RECOVERY (%) N or RQD (%) w E: ,6 IN SITU AND LABORATORY TESTS WATER CONTENT AND ATTERBERG'S LIMITS (%) w P w L OTHER TESTS OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm s u (kpa) s r (kpa) Page 1 of 1 BOREHOLE : BH1 DATE : COORDINATES : SCoPQ NAD 83 N: ,7 s us (kpa) s rs (kpa) N dc (blows/300 mm) SS , ,05 ROCK: limestone interbeded with shale layers. RQD: Fair quality. SS18 SS19 RC R RC ,10 73,00 END OF BOREHOLE REMARKS : A "N" value of 0 indicates that the sampler sunk under it's own weight. DRILLING METHOD : Augers, NW casing and NQ corring with a CME55 drill, mounted on a track carrier. *102RÉV KPA AN

47 LOCATION : 2263 Portobello Boulevard, Ottawa, Ontario CLIENT PROJECT FILE DEPTH (m) 0,45 0,50 1,82 3,40 13,14 13,41 ELEVATION (m) GEODETIC 89,32 88,87 88,82 87,50 85,92 76,18 75,91 : City of Ottawa : Proposed Fire Station : DESCRIPTION FILL: silty clay. ORGANIC SOIL (silty clay). SILTY CLAY. Consistency: very stiff to firm. Plasticity: high (CH) to medium (CL). TILL: silty clay, some sand and gravel. ROCK: limestone interbeded with shale layers. RQD: Fair to excellent quality. BOREHOLE LOG WATER LEVEL SS1 SS2 SS3 SS4 SS5 SS6 SS7 SS8 SS9 TW10 SS11 SS12 SS13 SS14 TW15 SS16 SS17 SS18 RC19A RC19B RC20 RC21 SAMPLES TYPE AND NUMBER A B CONDITION RECOVERY (%) R N or RQD (%) w E: ,9 IN SITU AND LABORATORY TESTS WATER CONTENT AND ATTERBERG'S LIMITS (%) w P w L OTHER TESTS OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 5 ppm OVM = 5 ppm s u (kpa) s r (kpa) Page 1 of 2 BOREHOLE : BH2 DATE : and COORDINATES : SCoPQ NAD 83 N: ,4 s us (kpa) s rs (kpa) N dc (blows/300 mm) RC RC REMARKS : RC24 A "N" value of 0 indicates that the sampler sunk under it's own weight DRILLING METHOD : Augers, NW casing and NQ corring with a CME55 drill, mounted on a track carrier. *102RÉV KPA AN

48 CLIENT PROJECT : City of Ottawa LOCATION : 2263 Portobello Boulevard, Ottawa, Ontario FILE DEPTH (m) ELEVATION (m) GEODETIC 69,32 : Proposed Fire Station : DESCRIPTION BOREHOLE LOG WATER LEVEL SAMPLES TYPE AND NUMBER CONDITION RECOVERY (%) N or RQD (%) w E: ,9 IN SITU AND LABORATORY TESTS WATER CONTENT AND ATTERBERG'S LIMITS (%) w P w L OTHER TESTS s u (kpa) s r (kpa) Page 2 of 2 BOREHOLE : BH2 DATE : and COORDINATES : SCoPQ NAD 83 N: ,4 s us (kpa) s rs (kpa) N dc (blows/300 mm) RC ,05 67,27 END OF BOREHOLE REMARKS : A "N" value of 0 indicates that the sampler sunk under it's own weight. DRILLING METHOD : Augers, NW casing and NQ corring with a CME55 drill, mounted on a track carrier. *102RÉV KPA AN

49 CLIENT PROJECT LOCATION : 2263 Portobello Boulevard, Ottawa, Ontario FILE DEPTH (m) 0,71 0,81 1,66 6,10 ELEVATION (m) GEODETIC 89,67 88,96 88,86 88,01 83,57 : City of Ottawa : Proposed Fire Station : FILL: silty clay. ORGANIC SOIL. SILTY CLAY. DESCRIPTION Consistency: very stiff to firm. Plasticity: high (CH) to medium (CL). END OF BOREHOLE. BOREHOLE LOG WATER LEVEL SS1 SS2 SS3 SS4 SS5 SS6 SS7 SS8 SS9 SAMPLES TYPE AND NUMBER A B CONDITION RECOVERY (%) N or RQD (%) w E: ,5 IN SITU AND LABORATORY TESTS WATER CONTENT AND ATTERBERG'S LIMITS (%) w P w L OTHER TESTS OVM = 0 ppm OVM = 0 ppm OVM = 10 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm OVM = 0 ppm s u (kpa) s r (kpa) Page 1 of 1 BOREHOLE : BH3 DATE : COORDINATES : SCoPQ NAD 83 N: ,4 s us (kpa) s rs (kpa) N dc (blows/300 mm) REMARKS : A "N" value of 0 indicates that the sampler sunk under it's own weight. DRILLING METHOD : Augers with a CME55 drill, mounted on a track carrier. *102RÉV KPA AN

50

51

52 APPENDIX C Quality Assurance & Quality Control

53 Quality Assurance and Quality Control Program A quality assurance and quality control (QA/QC) program was implemented to minimize and quantify data variability introduced during sample collection, handling, transport and analysis. As part of the QA/QC program, sampling protocols included minimizing sample handling, submitting field QA/QC samples, using dedicated non contaminating sampling equipment, wearing new disposable vinyl gloves for each sample handled, using sample specific identification and labeling procedures and using chain of custody records. Field Quality Assurance and Quality Control The field QA/QC program included the analysis of field duplicate and field blank samples. A minimum of one (1) duplicate sample was analysed for each analytical parameter in soil, with the exception of BTEX and F1F4 PHCs. The field duplicates were blind duplicates in that duplicate pairs were not identified to the laboratory. Field duplicate soil samples are identified in Tables 2 and 3. In addition, one (1) field blank sample was analysed for all analytical parameter in groundwater, with the exception of general chemistry parameters. Laboratory Quality Assurance and Quality Control Chemical analyses were performed by a laboratory accredited by the Standards Council of Canada (SCC). Laboratory analyses for Ontario Regulation 153/04 parameters were completed in accordance with Standard Methods (MOE, CCME, US EPA or ASTM) and generally accepted industry practices. Laboratory QA/QC measures included analysis of laboratory blank, spiked blank, duplicate and matrix spike samples. Laboratory acceptance criteria reported on laboratory certificates of analyses were used to assess the quality of laboratory QA/QC measures. Results of the QA/QC Program Field Duplicate Results Field duplicates were evaluated by estimating the potential uncertainty, expressed as a relative percent difference (RPD), in the analytical determinations calculated from the blind field duplicate and sample pairs. RPD was determined as follows: RPD=ABS((S x D x )/avg(s x D x ))*100 Where: the RPD is a measure of the potential uncertainty (combined field and laboratory variance) in percent between the duplicate and sample; ABS((S x D x ) represents the absolute value of the difference in reported concentrations of sample x (S x ) and the duplicate sample (D x ) of sample x; and avg(s x D x ) is the average concentration of the parameter of interest in the sample and duplicate sample. Since data quality objectives for field duplicate analyses are not provided by the MOECC, field precision data quality was assessed relative to regulatory guidance provided by the Canadian

54 Council of Ministers of the Environment (CCME, 2016). Following CCME guidance, calculated RPD values for field duplicates can be compared to acceptance criteria derived as twice the laboratory acceptance criteria for laboratory duplicates. For example, as the laboratory acceptance criterion is 30% for RPDs calculated for laboratory duplicates for metals in soil, RPDs for field duplicates should be 60% for similar analyses. As the uncertainty in concentrations increases near detection limits, RPD values were calculated only where detected concentrations in both duplicate pair samples were greater than five (5) times the laboratory detection limit. Calculated RPD values for duplicate soil samples are presented in Tables C.1 and C.2. All calculated RPD values for field duplicate pairs were less than CCME (2016) acceptance criteria and therefore considered acceptable. Field Blank Results Field blank samples can identify potential contamination of samples introduced during collection or analysis due to crosscontamination or mishandling of samples. As shown in Tables C.3 and C.4, concentrations of all parameters analysed in the field blank samples were less than laboratory RDLs and therefore considered acceptable. Laboratory QA/QC Results of laboratory QA/QC measures associated with soil and groundwater analyses are presented in the laboratory certificates of analysis in Appendix D (soil) and Appendix E (groundwater). Laboratory certificates of analysis were reviewed for any potential QA/QC issues identified by the laboratory. The following provides a discussion of potential QA/QC issues identified by the laboratory: The RPD calculated for vanadium in lab duplicates (38.8%) exceeded the laboratory RPD limit of 30%. These results indicate potential variability in vanadium concentrations in soil samples with this laboratory batch, including site soil samples collected from BH2 that marginally exceed the MOE Table 3 standard (BH24 and BH244). A review of the laboratory quality assurance report indicates that all other laboratory QC results for metals analyses met laboratory acceptance criteria, including the laboratory spike sample. Further, the calculated RPD value (6%) for site duplicate samples BH24 and BH244 is much lower than the acceptability limit of 60%. Therefore, any potential poor reproducibility in vanadium concentrations is not believed to have materially affected the conclusions based on these results. The RPD calculated for F3 PHC in lab duplicates (35.5%) exceeded the laboratory RPD limit of 30%. These results indicate potential variability in PHC concentrations in soil samples with this laboratory batch, including site soil sample BH31. The F3 PHC concentration in BH31 was less than the laboratory reportable detection limit (RDL) which is well below the MOE Table 3 standard. Based on these results, any potential poor reproducibility in PHC concentrations is not believed to have materially affected the conclusions based on these results.

55 Based on the above discussion, no QA/QC issues with the potential to affect the conclusions presented in this report were identified by the laboratory. Overall Data Quality Based on the above discussions, the results of field and laboratory QA/QC measures associated with analysed soil and groundwater samples were generally acceptable. Where deviations were identified, the effects were determined to be negligible and are not believed to have materially affected the conclusions based on these results. References Council of Ministers of the Environment (CCME), Guidance Manual for Environmental Site Characterization in Support of Environmental and Human Health Risk Assessment Volume 1 (Guidance Manual) and Volume 4 (Analytical Methods). 2016

56 TABLE C.1: Soil Analytical Results Field Duplicate RPD Calculations Inorganics and Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID BH21A BH211A BH24 BH244 RPD Laboratory Sample ID Sample Location BH2 BH2 RPD BH2 BH2 Sampling Date (yyyy/mm/dd) 2016/04/ /04/ /04/ /04/26 Duplicate of Duplicate of Parameter RDL Units BH21A BH244 Inorganics Electrical Conductivity ms/cm % Sodium Adsorption Ratio (SAR) 0.01 None % Total Metals Antimony 1.0 µg/g <1.0 <1.0 nc Arsenic 1.0 µg/g nc Barium 1.0 µg/g % Beryllium 1.0 µg/g <1.0 <1.0 nc Boron (Hot Water Soluble) 0.5 µg/g <0.5 <0.5 nc Boron 1.0 µg/g Cadmium 0.5 µg/g <0.5 <0.5 nc Chromium (total) 1.0 µg/g Chromium (VI) 0.2 µg/g nc Cobalt 1.0 µg/g % Copper 1.0 µg/g % Lead 1.0 µg/g % Mercury 0.1 µg/g <0.1 <0.1 nc Molybdenum 1.0 µg/g <1.0 <1.0 nc Nickel 1.0 µg/g % Selenium 1.0 µg/g <1.0 <1.0 nc Silver 0.5 µg/g <0.5 <0.5 nc Thallium 1.0 µg/g <1.0 <1.0 nc Uranium 1.0 µg/g <1.0 <1.0 nc Vanadium 1.0 µg/g % Zinc 1.0 µg/g % µg/g micrograms per gram. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. RPD Relative Percent Difference (not calculated when one or both results are less than or equal to 5X RDL). na Not applicable. nc RPD not calculable. SNCLAVALIN INC. Page 1 of

57 TABLE C.2: Soil Analytical Results Field Duplicate RPD Calculations PAHs 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID BH24 BH244 RPD Laboratory Sample ID Sample Location BH2 BH2 Sampling Date (yyyy/mm/dd) 2016/04/ /04/26 Duplicate of Parameter RDL Units BH24 PAHs Acenaphthene 0.02 µg/g nc Acenaphthylene 0.02 µg/g nc Anthracene 0.02 µg/g nc Benzo(a)anthracene 0.02 µg/g nc Benzo(a)pyrene 0.02 µg/g nc Benzo(b)fluoranthene 0.02 µg/g nc Benzo(g,h,i)perylene 0.02 µg/g nc Benzo(k)fluoranthene 0.02 µg/g nc Chrysene 0.02 µg/g nc Dibenzo(a,h)anthracene 0.02 µg/g nc Fluoranthene 0.02 µg/g nc Fluorene 0.02 µg/g nc Indeno(1,2,3cd)pyrene 0.02 µg/g nc Methylnaphthalene, µg/g nc Methylnaphthalene, µg/g nc Methylnaphthalene, 1 & µg/g <0.04 <0.04 nc Naphthalene 0.01 µg/g <0.01 <0.01 nc Phenanthrene 0.02 µg/g nc Pyrene 0.02 µg/g nc µg/g micrograms per gram. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. RPD Relative Percent Difference (not calculated when one or both results are less than or equal to 5X RDL). na Not applicable. nc RPD not calculable. SNCLAVALIN INC. Page 1 of

58 TABLE C.3: Groundwater Analytical Results Blank QA/QC Results Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID FBlank Laboratory Sample ID Sample Location FBlank Sampling Date (yyyy/mm/dd) 2016/05/10 Parameter RDL Units Dissolved Metals Antimony 0.5 µg/l < 0.5 Arsenic 1 µg/l < 1 Barium 1 µg/l < 1 Beryllium 0.5 µg/l < 0.5 Boron 10 µg/l < 10 Cadmium 0.1 µg/l < 0.1 Chromium (total) 1 µg/l <1 Chromium (VI) 10 µg/l < 10 Cobalt 0.5 µg/l < 0.5 Copper 0.5 µg/l < 0.5 Lead 0.1 µg/l < 0.1 Mercury 0.1 µg/l < 0.1 Molybdenum 0.5 µg/l < 0.5 Nickel 1 µg/l < 1 Selenium 1 µg/l < 1 Silver 0.1 µg/l < 0.1 Sodium 200 µg/l < 200 Thallium 0.1 µg/l < 0.1 Uranium 0.1 µg/l < 0.1 Vanadium 0.5 µg/l < 0.5 Zinc 5 µg/l < 5 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reportable Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. SNCLAVALIN INC. Page 1 of

59 TABLE C.4: Groundwater Analytical Results Blank QA/QC Results Petroleum Parameters and PAHs 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID FBlank Laboratory Sample ID Sample Location FBlank Sampling Date (yyyy/mm/dd) 2016/05/10 Parameter RDL Units Volatiles Benzene 0.5 µg/l < 0.5 Toluene 0.5 µg/l < 0.5 Ethylbenzene 0.5 µg/l < 0.5 Xylenes 0.5 µg/l < 0.5 m+pxylenes 0.5 µg/l < 0.5 oxylenes 0.5 µg/l < 0.5 Petroleum Hydrocarbon (PHC) Fractions PHC F1 25 µg/l < 25 PHC F2 100 µg/l < 100 PHC F3 100 µg/l < 100 PHC F4 100 µg/l < 100 PAHs Acenaphthene 0.05 µg/l < 0.05 Acenaphthylene 0.05 µg/l < 0.05 Anthracene 0.01 µg/l < 0.01 Benzo(a)anthracene 0.01 µg/l < 0.01 Benzo(a)pyrene 0.01 µg/l < 0.01 Benzo(b)fluoranthene 0.05 µg/l < 0.05 Benzo(g,h,i)perylene 0.05 µg/l < 0.05 Benzo(k)fluoranthene 0.05 µg/l < 0.05 Chrysene 0.05 µg/l < 0.05 Dibenzo(a,h)anthracene 0.05 µg/l < 0.05 Fluoranthene 0.01 µg/l < 0.01 Fluorene 0.05 µg/l < 0.05 Indeno(1,2,3cd)pyrene 0.05 µg/l < 0.05 Methylnaphthalene, µg/l < 0.05 Methylnaphthalene, µg/l < 0.05 Methylnaphthalene, 1 & µg/l < 0.10 Naphthalene 0.05 µg/l < 0.05 Phenanthrene 0.05 µg/l < 0.05 Pyrene 0.01 µg/l < 0.01 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reportable Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. SNCLAVALIN INC. Page 1 of

60 APPENDIX D Laboratory Certificates of Analysis Soil

61 St. Laurent Blvd Ottawa, ON, K1G 4J Certificate of Analysis SNCLavalin Inc. (Ottawa) 20 Colonnade Road Suite 110 Ottawa, ON K2E 7M6 Attn: Melanie Siewert Client PO: Project: _16.129/Portobello Custody: Report Date: 9May2016 Order Date: 2May2016 Order #: This Certificate of Analysis contains analytical data applicable to the following samples as submitted: Paracel ID Client ID BH BH21A BH211A BH BH BH BH34 Approved By: Mark Foto, M.Sc. Lab Supervisor Any use of these results implies your agreement that our total liabilty in connection with this work, however arising, shall be limited to the amount paid by you for this work, and that our employees or agents shall not under any circumstances be liable to you in connection with this work. Page 1 of 11

62 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Analysis Summary Table Analysis Method Reference/Description Extraction Date Analysis Date Boron, available BTEX by P&T GCMS Chromium, hexavalent soil Conductivity Mercury by CVAA PHC F1 PHCs F2 to F4 REG 153: Metals by ICP/OES, soil REG 153: PAHs by GCMS SAR Solids, % MOE (HWE), EPA ICPOES 5May16 5May16 EPA 8260 P&T GCMS 3May16 6May16 MOE E3056 Extraction, colourimetric 3May16 5May16 MOE E3138 C, water ext 5May16 5May16 EPA 7471B CVAA, digestion 6May16 6May16 CWS Tier 1 P&T GCFID 3May16 6May16 CWS Tier 1 GCFID, extraction 7May16 9May16 based on MOE E3470, ICPOES 6May16 6May16 EPA 8270 GCMS, extraction 4May16 7May16 Calculation 6May16 6May16 Gravimetric, calculation 3May16 3May16 Page 2 of 11

63 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Physical Characteristics Client ID: BH11 BH21A BH211A BH24 Sample Date: 28Apr16 26Apr16 26Apr16 26Apr16 Sample ID: MDL/Units Soil Soil Soil Soil % Solids 0.1 % by Wt General Inorganics SAR 0.01 N/A Conductivity 5 us/cm Metals Antimony 1.0 ug/g dry <1.0 <1.0 Arsenic 1.0 ug/g dry Barium 1.0 ug/g dry Beryllium 1.0 ug/g dry <1.0 <1.0 Boron 1.0 ug/g dry Boron, available 0.5 ug/g dry <0.5 <0.5 Cadmium 0.5 ug/g dry <0.5 <0.5 Chromium 1.0 ug/g dry Chromium (VI) 0.2 ug/g dry < Cobalt 1.0 ug/g dry Copper 1.0 ug/g dry Lead 1.0 ug/g dry Mercury 0.1 ug/g dry <0.1 <0.1 Molybdenum 1.0 ug/g dry <1.0 <1.0 Nickel 1.0 ug/g dry Selenium 1.0 ug/g dry <1.0 <1.0 Silver 0.5 ug/g dry <0.5 <0.5 Thallium 1.0 ug/g dry <1.0 <1.0 Uranium 1.0 ug/g dry <1.0 <1.0 Vanadium 1.0 ug/g dry Zinc 1.0 ug/g dry SemiVolatiles Acenaphthene 0.02 ug/g dry Acenaphthylene 0.02 ug/g dry Anthracene 0.02 ug/g dry Benzo [a] anthracene 0.02 ug/g dry Benzo [a] pyrene 0.02 ug/g dry Benzo [b] fluoranthene 0.02 ug/g dry Benzo [g,h,i] perylene 0.02 ug/g dry Benzo [k] fluoranthene 0.02 ug/g dry Page 3 of 11

64 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Client ID: BH11 BH21A BH211A BH24 Sample Date: 28Apr16 26Apr16 26Apr16 26Apr16 Sample ID: MDL/Units Soil Soil Soil Soil Chrysene 0.02 ug/g dry Dibenzo [a,h] anthracene 0.02 ug/g dry Fluoranthene 0.02 ug/g dry Fluorene 0.02 ug/g dry Indeno [1,2,3cd] pyrene 0.02 ug/g dry 1Methylnaphthalene 0.02 ug/g dry 2Methylnaphthalene 0.02 ug/g dry Methylnaphthalene (1&2) 0.04 ug/g dry <0.04 <0.04 Naphthalene 0.01 ug/g dry <0.01 <0.01 Phenanthrene 0.02 ug/g dry Pyrene 0.02 ug/g dry 2Fluorobiphenyl Surrogate 70.5% 58.1% Terphenyld14 Surrogate 102% 103% Page 4 of 11

65 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Client ID: BH244 BH31 BH34 Sample Date: 26Apr16 29Apr16 29Apr16 Sample ID: MDL/Units Soil Soil Soil Physical Characteristics % Solids 0.1 % by Wt General Inorganics SAR 0.01 N/A 0.97 Conductivity 5 us/cm 190 Metals Antimony 1.0 ug/g dry <1.0 Arsenic 1.0 ug/g dry 2.3 Barium 1.0 ug/g dry 245 Beryllium 1.0 ug/g dry <1.0 Boron 1.0 ug/g dry 8.8 Boron, available 0.5 ug/g dry <0.5 Cadmium 0.5 ug/g dry <0.5 Chromium 1.0 ug/g dry 105 Chromium (VI) 0.2 ug/g dry 0.5 Cobalt 1.0 ug/g dry 20.6 Copper 1.0 ug/g dry 51.0 Lead 1.0 ug/g dry 12.8 Mercury 0.1 ug/g dry <0.1 Molybdenum 1.0 ug/g dry <1.0 Nickel 1.0 ug/g dry 58.8 Selenium 1.0 ug/g dry <1.0 Silver 0.5 ug/g dry <0.5 Thallium 1.0 ug/g dry <1.0 Uranium 1.0 ug/g dry <1.0 Vanadium 1.0 ug/g dry 97.1 Zinc 1.0 ug/g dry 100 Volatiles Benzene 0.02 ug/g dry Ethylbenzene 0.05 ug/g dry <0.05 Toluene 0.05 ug/g dry <0.05 m,pxylenes 0.05 ug/g dry <0.05 oxylene 0.05 ug/g dry <0.05 Xylenes, total 0.05 ug/g dry <0.05 Toluened8 Surrogate 105% Hydrocarbons F1 PHCs (C6C10) 7 ug/g dry <7 Page 5 of 11

66 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Client ID: BH244 BH31 BH34 Sample Date: 26Apr16 29Apr16 29Apr16 Sample ID: MDL/Units Soil Soil Soil F2 PHCs (C10C16) 4 ug/g dry <4 F3 PHCs (C16C34) 8 ug/g dry <8 F4 PHCs (C34C50) 6 ug/g dry <6 SemiVolatiles Acenaphthene 0.02 ug/g dry Acenaphthylene 0.02 ug/g dry Anthracene 0.02 ug/g dry Benzo [a] anthracene 0.02 ug/g dry Benzo [a] pyrene 0.02 ug/g dry Benzo [b] fluoranthene 0.02 ug/g dry Benzo [g,h,i] perylene 0.02 ug/g dry Benzo [k] fluoranthene 0.02 ug/g dry Chrysene 0.02 ug/g dry Dibenzo [a,h] anthracene 0.02 ug/g dry Fluoranthene 0.02 ug/g dry Fluorene 0.02 ug/g dry Indeno [1,2,3cd] pyrene 0.02 ug/g dry 1Methylnaphthalene 0.02 ug/g dry 2Methylnaphthalene 0.02 ug/g dry Methylnaphthalene (1&2) 0.04 ug/g dry <0.04 Naphthalene 0.01 ug/g dry <0.01 Phenanthrene 0.02 ug/g dry Pyrene 0.02 ug/g dry 2Fluorobiphenyl Surrogate 65.9% Terphenyld14 Surrogate 91.7% Page 6 of 11

67 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Blank Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes General Inorganics Conductivity ND 5 us/cm Hydrocarbons F1 PHCs (C6C10) ND 7 ug/g F2 PHCs (C10C16) ND 4 ug/g F3 PHCs (C16C34) ND 8 ug/g F4 PHCs (C34C50) ND 6 ug/g Metals Antimony ND 1.0 ug/g Arsenic ND 1.0 ug/g Barium ND 1.0 ug/g Beryllium ND 1.0 ug/g Boron, available ND 0.5 ug/g Boron ND 1.0 ug/g Cadmium ND 0.5 ug/g Chromium (VI) ND 0.2 ug/g Chromium ND 1.0 ug/g Cobalt ND 1.0 ug/g Copper ND 1.0 ug/g Lead ND 1.0 ug/g Mercury ND 0.1 ug/g Molybdenum ND 1.0 ug/g Nickel ND 1.0 ug/g Selenium ND 1.0 ug/g Silver ND 0.5 ug/g Thallium ND 1.0 ug/g Uranium ND 1.0 ug/g Vanadium ND 1.0 ug/g Zinc ND 1.0 ug/g SemiVolatiles Acenaphthene ND 0.02 ug/g Acenaphthylene ND 0.02 ug/g Anthracene ND 0.02 ug/g Benzo [a] anthracene ND 0.02 ug/g Benzo [a] pyrene ND 0.02 ug/g Benzo [b] fluoranthene ND 0.02 ug/g Benzo [g,h,i] perylene ND 0.02 ug/g Benzo [k] fluoranthene ND 0.02 ug/g Chrysene ND 0.02 ug/g Dibenzo [a,h] anthracene ND 0.02 ug/g Fluoranthene ND 0.02 ug/g Fluorene ND 0.02 ug/g Indeno [1,2,3cd] pyrene ND 0.02 ug/g 1Methylnaphthalene ND 0.02 ug/g 2Methylnaphthalene ND 0.02 ug/g Methylnaphthalene (1&2) ND 0.04 ug/g Naphthalene ND 0.01 ug/g Phenanthrene ND 0.02 ug/g Pyrene ND 0.02 ug/g Surrogate: 2Fluorobiphenyl ug/g Surrogate: Terphenyld ug/g Volatiles Benzene ND 0.02 ug/g Ethylbenzene ND 0.05 ug/g Toluene ND 0.05 ug/g m,pxylenes ND 0.05 ug/g oxylene ND 0.05 ug/g Xylenes, total ND 0.05 ug/g Surrogate: Toluened ug/g Page 7 of 11

68 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Duplicate Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Hydrocarbons F1 PHCs (C6C10) ND 7 ug/g dry ND 40 F2 PHCs (C10C16) ND 4 ug/g dry ND 30 F3 PHCs (C16C34) ug/g dry QR04 F4 PHCs (C34C50) 66 6 ug/g dry Metals Antimony ug/g dry ND Arsenic ug/g dry Barium ug/g dry Beryllium ND 1.0 ug/g dry ND Boron, available ND 0.5 ug/g dry ND Boron ug/g dry Cadmium ND 0.5 ug/g dry ND Chromium (VI) ND 0.2 ug/g dry ND 35 Chromium ug/g dry Cobalt ug/g dry Copper ug/g dry Lead ug/g dry Mercury ND 0.1 ug/g dry ND Molybdenum ND 1.0 ug/g dry ND Nickel ug/g dry Selenium ND 1.0 ug/g dry ND Silver ND 0.5 ug/g dry ND Thallium ND 1.0 ug/g dry ND Uranium ND 1.0 ug/g dry ND Vanadium ug/g dry QR01 Zinc ug/g dry Physical Characteristics % Solids % by Wt SemiVolatiles Acenaphthene ND 0.02 ug/g dry ND 40 Acenaphthylene ND 0.02 ug/g dry ND 40 Anthracene ND 0.02 ug/g dry ND 40 Benzo [a] anthracene ND 0.02 ug/g dry ND 40 Benzo [a] pyrene ND 0.02 ug/g dry ND 40 Benzo [b] fluoranthene ND 0.02 ug/g dry ND 40 Benzo [g,h,i] perylene ND 0.02 ug/g dry ND 40 Benzo [k] fluoranthene ND 0.02 ug/g dry ND 40 Chrysene ND 0.02 ug/g dry ND 40 Dibenzo [a,h] anthracene ND 0.02 ug/g dry ND 40 Fluoranthene ND 0.02 ug/g dry ND 40 Fluorene ND 0.02 ug/g dry ND 40 Indeno [1,2,3cd] pyrene ND 0.02 ug/g dry ND 40 1Methylnaphthalene ND 0.02 ug/g dry ND 40 2Methylnaphthalene ND 0.02 ug/g dry ND 40 Naphthalene ND 0.01 ug/g dry ND 40 Phenanthrene ND 0.02 ug/g dry ND 40 Pyrene ND 0.02 ug/g dry ND 40 Surrogate: 2Fluorobiphenyl ug/g dry ND Surrogate: Terphenyld ug/g dry ND Volatiles Benzene ND 0.02 ug/g dry ND 50 Ethylbenzene ND 0.05 ug/g dry ND 50 Toluene ND 0.05 ug/g dry ND 50 m,pxylenes ND 0.05 ug/g dry ND 50 oxylene ND 0.05 ug/g dry ND 50 Surrogate: Toluened ug/g dry ND Page 8 of 11

69 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Hydrocarbons F1 PHCs (C6C10) ug/g ND F2 PHCs (C10C16) 72 4 ug/g ND F3 PHCs (C16C34) ug/g ND F4 PHCs (C34C50) ug/g ND Metals Antimony 203 ug/l ND Arsenic 208 ug/l ND Barium 198 ug/l ND Beryllium 193 ug/l ND Boron, available ug/g ND Boron 201 ug/l ND Cadmium 188 ug/l ND Chromium (VI) ug/g ND Chromium 195 ug/l ND Cobalt 194 ug/l ND Copper 194 ug/l ND Lead 198 ug/l ND Mercury ug/g ND Molybdenum 197 ug/l ND Nickel 190 ug/l ND Selenium 191 ug/l ND Silver 182 ug/l ND Thallium 184 ug/l ND Uranium 199 ug/l ND Vanadium 200 ug/l ND Zinc 183 ug/l ND SemiVolatiles Acenaphthene ug/g ND Acenaphthylene ug/g ND Anthracene ug/g ND Benzo [a] anthracene ug/g ND Benzo [a] pyrene ug/g ND Benzo [b] fluoranthene ug/g ND Benzo [g,h,i] perylene ug/g ND Benzo [k] fluoranthene ug/g ND Chrysene ug/g ND Dibenzo [a,h] anthracene ug/g ND Fluoranthene ug/g ND Fluorene ug/g ND Indeno [1,2,3cd] pyrene ug/g ND Methylnaphthalene ug/g ND Methylnaphthalene ug/g ND Naphthalene ug/g ND Phenanthrene ug/g ND Pyrene ug/g ND Surrogate: 2Fluorobiphenyl 1.10 ug/g Volatiles Benzene ug/g ND Ethylbenzene ug/g ND Toluene ug/g ND m,pxylenes ug/g ND Page 9 of 11

70 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes oxylene ug/g ND Page 10 of 11

71 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 09May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Qualifier Notes : QC Qualifiers : QR01 : QR04 : Sample Data Revisions None Duplicate RPD is high, however, the sample result is less than 10x the MDL. Duplicate results exceeds RPD limits due to nonhomogeneous matrix. Work Order Revisions / Comments : None Other Report Notes : n/a: not applicable ND: Not Detected MDL: Method Detection Limit Source Result: Data used as source for matrix and duplicate samples %REC: Percent recovery. RPD: Relative percent difference. Soil results are reported on a dry weight basis when the units are denoted with 'dry'. Where %Solids is reported, moisture loss includes the loss of volatile hydrocarbons. CCME PHC additional information: The method for the analysis of PHCs complies with the Reference Method for the CWS PHC and is validated for use in the laboratory. All prescribed quality criteria identified in the method has been met. F1 range corrected for BTEX. F2 to F3 ranges corrected for appropriate PAHs where available. The gravimetric heavy hydrocarbons (F4G) are not to be added to C6 to C50 hydrocarbons. In the case where F4 and F4G are both reported, the greater of the two results is to be used for comparison to CWS PHC criteria. Page 11 of 11

72

73 St. Laurent Blvd Ottawa, ON, K1G 4J Certificate of Analysis SNCLavalin Inc. (Ottawa) 20 Colonnade Road Suite 110 Ottawa, ON K2E 7M6 Attn: Melanie Siewert Client PO: Project: _16.129/Portobello Custody: Report Date: 10May2016 Order Date: 2May2016 Order #: This Certificate of Analysis contains analytical data applicable to the following samples as submitted: Paracel ID Client ID BH32C Approved By: Mark Foto, M.Sc. Lab Supervisor Any use of these results implies your agreement that our total liabilty in connection with this work, however arising, shall be limited to the amount paid by you for this work, and that our employees or agents shall not under any circumstances be liable to you in connection with this work. Page 1 of 8

74 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Analysis Summary Table Analysis Method Reference/Description Extraction Date Analysis Date Flashpoint Penski Martin Closed Cup 3May16 4May16 Metals, ICPMS EPA 6020 Digestion ICPMS 5May16 5May16 REG 558 Cyanide MOE E3015 Auto Colour 10May16 10May16 REG 558 Fluoride EPA ISE 9May16 9May16 REG 558 Mercury by CVAA EPA 7470A Cold Vapour AA 6May16 6May16 REG 558 NO3/NO2 EPA IC 5May16 5May16 REG 558 PAHs EPA 625 GCMS 6May16 6May16 REG 558 PCBs EPA 608 GCECD 5May16 5May16 REG 558 VOCs EPA 624 P&T GCMS 6May16 9May16 Solids, % Gravimetric, calculation 3May16 3May16 Page 2 of 8

75 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Physical Characteristics Client ID: BH32C Sample Date: 29Apr16 Sample ID: MDL/Units Soil % Solids 0.1 % by Wt Flashpoint C >70 EPA 1311 TCLP Leachate Inorganics Arsenic 0.05 mg/l <0.05 Barium 0.05 mg/l 0.26 Boron 0.05 mg/l 0.16 Cadmium 0.01 mg/l <0.01 Chromium 0.05 mg/l <0.05 Lead 0.05 mg/l <0.05 Mercury mg/l <0.005 Selenium 0.05 mg/l <0.05 Silver 0.05 mg/l <0.05 Uranium 0.05 mg/l <0.05 Fluoride 0.05 mg/l 0.28 Nitrate as N 1 mg/l <1 Nitrite as N 1 mg/l <1 Cyanide, free 0.02 mg/l EPA 1311 TCLP Leachate Organics Benzene mg/l <0.005 Carbon Tetrachloride mg/l <0.005 Chlorobenzene mg/l <0.004 Chloroform mg/l < ,2Dichlorobenzene mg/l < ,4Dichlorobenzene mg/l < ,2Dichloroethane mg/l < ,1Dichloroethylene mg/l <0.006 Methyl Ethyl Ketone (2Butanone) 0.30 mg/l <0.30 Methylene Chloride 0.04 mg/l <0.04 Tetrachloroethylene mg/l <0.005 Trichloroethylene mg/l <0.004 Vinyl chloride mg/l < Bromofluorobenzene Surrogate 101% Dibromofluoromethane Surrogate 102% Toluened8 Surrogate 93.2% Benzo [a] pyrene mg/l < Terphenyld14 Surrogate 97.6% Page 3 of 8

76 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Client ID: BH32C Sample Date: 29Apr16 Sample ID: MDL/Units Soil PCBs, total mg/l <0.003 Decachlorobiphenyl Surrogate 78.6% Page 4 of 8

77 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Blank Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes EPA 1311 TCLP Leachate Inorganics Arsenic ND 0.05 mg/l Barium ND 0.05 mg/l Boron ND 0.05 mg/l Cadmium ND 0.01 mg/l Chromium ND 0.05 mg/l Lead ND 0.05 mg/l Mercury ND mg/l Selenium ND 0.05 mg/l Silver ND 0.05 mg/l Uranium ND 0.05 mg/l Fluoride ND 0.05 mg/l Nitrate as N ND 1 mg/l Nitrite as N ND 1 mg/l Cyanide, free ND 0.02 mg/l EPA 1311 TCLP Leachate Organics Benzene ND mg/l Carbon Tetrachloride ND mg/l Chlorobenzene ND mg/l Chloroform ND mg/l 1,2Dichlorobenzene ND mg/l 1,4Dichlorobenzene ND mg/l 1,2Dichloroethane ND mg/l 1,1Dichloroethylene ND mg/l Methyl Ethyl Ketone (2Butanone) ND 0.30 mg/l Methylene Chloride ND 0.04 mg/l Tetrachloroethylene ND mg/l Trichloroethylene ND mg/l Vinyl chloride ND mg/l Surrogate: 4Bromofluorobenzene mg/l Surrogate: Dibromofluoromethane mg/l Surrogate: Toluened mg/l Benzo [a] pyrene ND mg/l Surrogate: Terphenyld mg/l PCBs, total ND mg/l Surrogate: Decachlorobiphenyl mg/l Page 5 of 8

78 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Duplicate Analyte Result EPA 1311 TCLP Leachate Inorganics Reporting Limit Units Source Result %REC %REC Limit Arsenic ND 0.05 mg/l ND Barium mg/l Boron mg/l Cadmium ND 0.01 mg/l ND Chromium ND 0.05 mg/l ND Lead ND 0.05 mg/l ND Mercury ND mg/l ND Selenium ND 0.05 mg/l ND Silver ND 0.05 mg/l ND Uranium ND 0.05 mg/l ND Fluoride mg/l Nitrate as N 6 1 mg/l Nitrite as N ND 1 mg/l ND 20 Cyanide, free ND 0.02 mg/l ND 20 EPA 1311 TCLP Leachate Organics Benzene ND mg/l ND 25 Carbon Tetrachloride ND mg/l ND 25 Chlorobenzene ND mg/l ND 25 Chloroform ND mg/l ND 25 1,2Dichlorobenzene ND mg/l ND 25 1,4Dichlorobenzene ND mg/l ND 25 1,2Dichloroethane ND mg/l ND 25 1,1Dichloroethylene ND mg/l ND 25 Methyl Ethyl Ketone (2Butanone) ND 0.30 mg/l ND 25 Methylene Chloride ND 0.04 mg/l ND 25 Tetrachloroethylene ND mg/l ND 25 Trichloroethylene ND mg/l ND 25 Vinyl chloride ND mg/l ND 25 Surrogate: 4Bromofluorobenzene mg/l ND Surrogate: Dibromofluoromethane mg/l ND Surrogate: Toluened mg/l ND PCBs, total ND mg/l ND 30 Surrogate: Decachlorobiphenyl mg/l ND Physical Characteristics % Solids % by Wt RPD RPD Limit Notes Page 6 of 8

79 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes EPA 1311 TCLP Leachate Inorganics Arsenic 48.1 ug/l Barium 77.5 ug/l Boron 57.8 ug/l Cadmium 45.5 ug/l ND Chromium 52.3 ug/l Lead 47.4 ug/l Mercury mg/l ND Selenium 46.8 ug/l ND Silver 46.6 ug/l Uranium 49.7 ug/l Fluoride mg/l Nitrate as N 16 1 mg/l Nitrite as N 11 1 mg/l ND Cyanide, free mg/l ND EPA 1311 TCLP Leachate Organics Benzene 43.2 ug/l ND Carbon Tetrachloride 48.4 ug/l ND Chlorobenzene 39.7 ug/l ND Chloroform 35.3 ug/l ND ,2Dichlorobenzene 35.5 ug/l ND ,4Dichlorobenzene 33.4 ug/l ND ,2Dichloroethane 40.8 ug/l ND ,1Dichloroethylene 49.7 ug/l ND Methyl Ethyl Ketone (2Butanone) 95.4 ug/l ND Methylene Chloride 43.7 ug/l ND Tetrachloroethylene 38.7 ug/l ND Trichloroethylene 32.1 ug/l ND Vinyl chloride 48.3 ug/l ND Surrogate: 4Bromofluorobenzene mg/l Benzo [a] pyrene mg/l ND PCBs, total mg/l ND Page 7 of 8

80 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 10May2016 Order Date: 2May2016 Project Description: _16.129/Portobello Qualifier Notes : Sample Data Revisions None Work Order Revisions / Comments : None Other Report Notes : n/a: not applicable ND: Not Detected MDL: Method Detection Limit Source Result: Data used as source for matrix and duplicate samples %REC: Percent recovery. RPD: Relative percent difference. Soil results are reported on a dry weight basis when the units are denoted with 'dry'. Where %Solids is reported, moisture loss includes the loss of volatile hydrocarbons. Page 8 of 8

81

82 APPENDIX E Laboratory Certificates of Analysis Groundwater

83 St. Laurent Blvd Ottawa, ON, K1G 4J Certificate of Analysis SNCLavalin Inc. (Ottawa) 20 Colonnade Road Suite 110 Ottawa, ON K2E 7M6 Attn: Melanie Siewert Client PO: Project: /2263 Portobello Blvd Custody: Report Date: 18May2016 Order Date: 10May2016 Order #: This Certificate of Analysis contains analytical data applicable to the following samples as submitted: Paracel ID Client ID FBlank MW3 Approved By: Mark Foto, M.Sc. Lab Supervisor Any use of these results implies your agreement that our total liabilty in connection with this work, however arising, shall be limited to the amount paid by you for this work, and that our employees or agents shall not under any circumstances be liable to you in connection with this work. Page 1 of 10

84 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Analysis Summary Table Analysis Method Reference/Description Extraction Date Analysis Date Alkalinity, total to ph 4.5 EPA Titration to ph May16 10May16 Anions EPA IC 11May16 11May16 BTEX by P&T GCMS EPA 624 P&T GCMS 12May16 13May16 Chromium, hexavalent water MOE E3056 colourimetric 12May16 12May16 Conductivity EPA 9050A C 10May16 10May16 Hardness Hardness as CaCO3 17May16 17May16 Mercury by CVAA EPA Cold Vapour AA 11May16 11May16 Metals, ICPMS EPA ICPMS 11May16 12May16 ph EPA ph C 10May16 10May16 PHC F1 CWS Tier 1 P&T GCFID 12May16 13May16 PHCs F2 to F4 CWS Tier 1 GCFID, extraction 13May16 13May16 REG 153: PAHs by GCMS EPA 625 GCMS, extraction 12May16 12May16 Page 2 of 10

85 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd General Inorganics Client ID: FBlank MW3 Sample Date: 10May16 10May16 Sample ID: MDL/Units Water Water Alkalinity, total 5 mg/l 575 Conductivity 5 us/cm 1050 Hardness 1.0 mg/l 341 ph 0.1 ph Units 7.9 Anions Chloride 1 mg/l 18 Fluoride 0.1 mg/l 0.4 Nitrate as N 0.1 mg/l <0.1 Nitrite as N 0.05 mg/l <0.05 Sulphate 1 mg/l 6 Metals Mercury 0.1 ug/l <0.1 <0.1 Antimony 0.5 ug/l <0.5 <0.5 Arsenic 1 ug/l <1 <1 Barium 1 ug/l <1 65 Beryllium 0.5 ug/l <0.5 <0.5 Boron 10 ug/l < Cadmium 0.1 ug/l <0.1 <0.1 Chromium 1 ug/l <1 <1 Chromium (VI) 10 ug/l <10 <10 Cobalt 0.5 ug/l <0.5 <0.5 Copper 0.5 ug/l < Lead 0.1 ug/l <0.1 <0.1 Molybdenum 0.5 ug/l < Nickel 1 ug/l <1 2 Selenium 1 ug/l <1 <1 Silver 0.1 ug/l <0.1 <0.1 Sodium 200 ug/l < Thallium 0.1 ug/l <0.1 <0.1 Uranium 0.1 ug/l < Vanadium 0.5 ug/l < Zinc 5 ug/l <5 <5 Volatiles Benzene 0.5 ug/l <0.5 <0.5 Ethylbenzene 0.5 ug/l <0.5 <0.5 Page 3 of 10

86 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Client ID: FBlank MW3 Sample Date: 10May16 10May16 Sample ID: MDL/Units Water Water Toluene 0.5 ug/l <0.5 <0.5 m,pxylenes 0.5 ug/l <0.5 <0.5 oxylene 0.5 ug/l <0.5 <0.5 Xylenes, total 0.5 ug/l <0.5 <0.5 Toluened8 Surrogate 101% 99.9% Hydrocarbons F1 PHCs (C6C10) 25 ug/l <25 <25 F2 PHCs (C10C16) 100 ug/l <100 <100 F3 PHCs (C16C34) 100 ug/l <100 <100 F4 PHCs (C34C50) 100 ug/l <100 <100 F1 + F2 PHCs 125 ug/l <125 <125 F3 + F4 PHCs 200 ug/l <200 <200 SemiVolatiles Acenaphthene 0.05 ug/l <0.05 <0.05 Acenaphthylene 0.05 ug/l <0.05 <0.05 Anthracene 0.01 ug/l <0.01 <0.01 Benzo [a] anthracene 0.01 ug/l <0.01 <0.01 Benzo [a] pyrene 0.01 ug/l <0.01 <0.01 Benzo [b] fluoranthene 0.05 ug/l <0.05 <0.05 Benzo [g,h,i] perylene 0.05 ug/l <0.05 <0.05 Benzo [k] fluoranthene 0.05 ug/l <0.05 <0.05 Chrysene 0.05 ug/l <0.05 <0.05 Dibenzo [a,h] anthracene 0.05 ug/l <0.05 <0.05 Fluoranthene 0.01 ug/l <0.01 <0.01 Fluorene 0.05 ug/l <0.05 <0.05 Indeno [1,2,3cd] pyrene 0.05 ug/l <0.05 <0.05 1Methylnaphthalene 0.05 ug/l <0.05 <0.05 2Methylnaphthalene 0.05 ug/l <0.05 <0.05 Methylnaphthalene (1&2) 0.10 ug/l <0.10 <0.10 Naphthalene 0.05 ug/l <0.05 <0.05 Phenanthrene 0.05 ug/l <0.05 <0.05 Pyrene 0.01 ug/l <0.01 <0.01 2Fluorobiphenyl Surrogate 83.5% 73.1% Terphenyld14 Surrogate 100% 95.9% Page 4 of 10

87 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Method Quality Control: Blank Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Anions Chloride ND 1 mg/l Fluoride ND 0.1 mg/l Nitrate as N ND 0.1 mg/l Nitrite as N ND 0.05 mg/l Sulphate ND 1 mg/l General Inorganics Alkalinity, total ND 5 mg/l Conductivity ND 5 us/cm Hydrocarbons F1 PHCs (C6C10) ND 25 ug/l F2 PHCs (C10C16) ND 100 ug/l F3 PHCs (C16C34) ND 100 ug/l F4 PHCs (C34C50) ND 100 ug/l Metals Mercury ND 0.1 ug/l Antimony ND 0.5 ug/l Arsenic ND 1 ug/l Barium ND 1 ug/l Beryllium ND 0.5 ug/l Boron ND 10 ug/l Cadmium ND 0.1 ug/l Chromium (VI) ND 10 ug/l Chromium ND 1 ug/l Cobalt ND 0.5 ug/l Copper ND 0.5 ug/l Lead ND 0.1 ug/l Molybdenum ND 0.5 ug/l Nickel ND 1 ug/l Selenium ND 1 ug/l Silver ND 0.1 ug/l Sodium ND 200 ug/l Thallium ND 0.1 ug/l Uranium ND 0.1 ug/l Vanadium ND 0.5 ug/l Zinc ND 5 ug/l SemiVolatiles Acenaphthene ND 0.05 ug/l Acenaphthylene ND 0.05 ug/l Anthracene ND 0.01 ug/l Benzo [a] anthracene ND 0.01 ug/l Benzo [a] pyrene ND 0.01 ug/l Benzo [b] fluoranthene ND 0.05 ug/l Benzo [g,h,i] perylene ND 0.05 ug/l Benzo [k] fluoranthene ND 0.05 ug/l Chrysene ND 0.05 ug/l Dibenzo [a,h] anthracene ND 0.05 ug/l Fluoranthene ND 0.01 ug/l Fluorene ND 0.05 ug/l Indeno [1,2,3cd] pyrene ND 0.05 ug/l 1Methylnaphthalene ND 0.05 ug/l 2Methylnaphthalene ND 0.05 ug/l Methylnaphthalene (1&2) ND 0.10 ug/l Naphthalene ND 0.05 ug/l Phenanthrene ND 0.05 ug/l Pyrene ND 0.01 ug/l Surrogate: 2Fluorobiphenyl 14.8 ug/l Surrogate: Terphenyld ug/l Volatiles Page 5 of 10

88 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Method Quality Control: Blank Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Benzene ND 0.5 ug/l Ethylbenzene ND 0.5 ug/l Toluene ND 0.5 ug/l m,pxylenes ND 0.5 ug/l oxylene ND 0.5 ug/l Xylenes, total ND 0.5 ug/l Surrogate: Toluened ug/l Page 6 of 10

89 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Method Quality Control: Duplicate Analyte Anions Result Reporting Limit Units Source Result Chloride mg/l Fluoride ND 0.1 mg/l ND 10 Nitrate as N mg/l Nitrite as N ND 0.05 mg/l ND 20 Sulphate mg/l General Inorganics Alkalinity, total mg/l Conductivity us/cm ph ph Units Hydrocarbons F1 PHCs (C6C10) ND 25 ug/l ND 30 Metals Mercury ND 0.1 ug/l ND Antimony ND 0.5 ug/l ND Arsenic ND 1 ug/l ND Barium ND 1 ug/l ND Beryllium ND 0.5 ug/l ND Boron ND 10 ug/l ND Cadmium ND 0.1 ug/l ND Chromium (VI) ND 10 ug/l ND 20 Chromium ug/l ND Cobalt ND 0.5 ug/l ND Copper ND 0.5 ug/l ND Lead ND 0.1 ug/l ND Molybdenum ND 0.5 ug/l ND Nickel ND 1 ug/l ND Selenium ND 1 ug/l ND Silver ND 0.1 ug/l ND Sodium ug/l Thallium ND 0.1 ug/l ND Uranium ND 0.1 ug/l ND Vanadium ND 0.5 ug/l ND Zinc ND 5 ug/l ND Volatiles Benzene ND 0.5 ug/l ND 30 Ethylbenzene ND 0.5 ug/l ND 30 Toluene ND 0.5 ug/l ND 30 m,pxylenes ND 0.5 ug/l ND 30 oxylene ND 0.5 ug/l ND 30 Surrogate: Toluened ug/l ND %REC %REC Limit RPD RPD Limit Notes Page 7 of 10

90 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Anions Chloride mg/l Fluoride mg/l ND Nitrate as N mg/l Nitrite as N mg/l ND Sulphate mg/l Hydrocarbons F1 PHCs (C6C10) ug/l ND F2 PHCs (C10C16) ug/l ND F3 PHCs (C16C34) ug/l ND F4 PHCs (C34C50) ug/l ND Metals Mercury ug/l ND Antimony 55.8 ug/l Arsenic 54.9 ug/l Barium 53.1 ug/l Beryllium 44.8 ug/l Boron 45 ug/l Cadmium 53.4 ug/l Chromium (VI) ug/l ND Chromium 52.7 ug/l ND Cobalt 48.2 ug/l Copper 51.1 ug/l Lead 47.7 ug/l ND Molybdenum 54.3 ug/l Nickel 50.3 ug/l Selenium 53.6 ug/l Silver 51.8 ug/l Sodium 1250 ug/l Thallium 47.5 ug/l ND Uranium 48.1 ug/l Vanadium 53.1 ug/l Zinc 53 ug/l SemiVolatiles Acenaphthene ug/l ND Acenaphthylene ug/l ND Anthracene ug/l ND Benzo [a] anthracene ug/l ND Benzo [a] pyrene ug/l ND Benzo [b] fluoranthene ug/l ND Benzo [g,h,i] perylene ug/l ND Benzo [k] fluoranthene ug/l ND Chrysene ug/l ND Dibenzo [a,h] anthracene ug/l ND Fluoranthene ug/l ND Fluorene ug/l ND Indeno [1,2,3cd] pyrene ug/l ND Methylnaphthalene ug/l ND Methylnaphthalene ug/l ND Naphthalene ug/l ND Phenanthrene ug/l ND Pyrene ug/l ND Page 8 of 10

91 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Method Quality Control: Spike Analyte Result Reporting Limit Units Source Result %REC %REC Limit RPD RPD Limit Notes Surrogate: 2Fluorobiphenyl 13.8 ug/l Volatiles Benzene ug/l ND Ethylbenzene ug/l ND Toluene ug/l ND m,pxylenes ug/l ND oxylene ug/l ND Page 9 of 10

92 Order #: Certificate of Analysis Client: SNCLavalin Inc. (Ottawa) Client PO: Report Date: 18May2016 Order Date: 10May2016 Project Description: /2263 Portobello Blvd Qualifier Notes : None Sample Data Revisions None Work Order Revisions / Comments : None Other Report Notes : n/a: not applicable ND: Not Detected MDL: Method Detection Limit Source Result: Data used as source for matrix and duplicate samples %REC: Percent recovery. RPD: Relative percent difference. CCME PHC additional information: The method for the analysis of PHCs complies with the Reference Method for the CWS PHC and is validated for use in the laboratory. All prescribed quality criteria identified in the method has been met. F1 range corrected for BTEX. F2 to F3 ranges corrected for appropriate PAHs where available. The gravimetric heavy hydrocarbons (F4G) are not to be added to C6 to C50 hydrocarbons. In the case where F4 and F4G are both reported, the greater of the two results is to be used for comparison to CWS PHC criteria. Page 10 of 10

93

94 APPENDIX F Comparison to Fill Standards & Discharge Limits

95 TABLE F.1: Soil Analytical Results Inorganics and Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID Table 1 1 BH11 BH21A BH211A BH24 BH244 BH34 Laboratory Sample ID Standard Sample Location BH1 BH2 BH2 BH2 BH2 BH3 Sampling Date (yyyy/mm/dd) 2016/04/ /04/ /04/ /04/ /04/ /04/29 Depth Interval (mbgs) na na Field Screen (ppmv) 0 0 na 0 na 0 Duplicate of Duplicate of Parameter RDL Units BH21A BH24 Inorganics Electrical Conductivity ms/cm Sodium Adsorption Ratio (SAR) 0.01 None Total Metals Antimony 1.0 µg/g 1.3 < 1.0 < 1.0 < 1.0 Arsenic 1.0 µg/g Barium 1.0 µg/g Beryllium 1.0 µg/g 2.5 < 1.0 < 1.0 < 1.0 Boron (Hot Water Soluble) 0.5 µg/g na < 0.5 < 0.5 < 0.5 Boron 1.0 µg/g Cadmium 0.5 µg/g 1.2 < 0.5 < 0.5 < 0.5 Chromium (total) 1.0 µg/g Chromium (VI) 0.2 µg/g 0.66 < Cobalt 1.0 µg/g Copper 1.0 µg/g Lead 1.0 µg/g Mercury 0.1 µg/g 0.27 < 0.1 < 0.1 < 0.1 Molybdenum 1.0 µg/g 2 < 1.0 < 1.0 < 1.0 Nickel 1.0 µg/g Selenium 1.0 µg/g 1.5 < 1.0 < 1.0 < 1.0 Silver 0.5 µg/g 0.5 < 0.5 < 0.5 < 0.5 Thallium 1.0 µg/g 1 < 1.0 < 1.0 < 1.0 Uranium 1.0 µg/g 2.5 < 1.0 < 1.0 < 1.0 Vanadium 1.0 µg/g Zinc 1.0 µg/g All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. m bgs metres below ground surface. OVM Reading organic vapour meter reading (in ppmv unless noted). ppmv parts per million by volume. % LEL percent of the lower explosive limit of hexane. µg/g micrograms per gram. ms/cm millisiemens per centimetre. BOLD Concentration greater than Table 1 Standard. 1 Table 1 full depth background site condition standards for residential/parkland/institutional/industrial/commercial/community property use (MOE, 2011). SNCLAVALIN INC. Page 1 of

96 TABLE F.2: Soil Analytical Results Petroleum Parameters and PAHs 2263 Portobello Blvd, Ottawa, ON SNCLavalin Sample ID Table 1 1 BH11 BH24 BH244 BH31 Laboratory Sample ID Standard Sample Location BH1 BH2 BH2 BH3 Sampling Date (yyyy/mm/dd) 2016/04/ /04/ /04/ /04/29 Depth Interval (mbgs) na Field Screen (ppmv) 0 0 na 0 Duplicate of Parameter RDL Units BH24 Volatiles Benzene 0.02 µg/g 0.02 < 0.02 Toluene 0.05 µg/g 0.2 < 0.05 Ethylbenzene 0.05 µg/g 0.05 < 0.05 Xylenes 0.05 µg/g 0.05 < 0.05 m+pxylenes 0.05 µg/g na < 0.05 oxylenes 0.05 µg/g na < 0.05 Petroleum Hydrocarbon (PHC) Fractions PHC F1 7 µg/g 25 < 7 PHC F2 4 µg/g 10 < 4 PHC F3 8 µg/g 240 < 8 PHC F4 6 µg/g 120 < 6 PAHs Acenaphthene 0.02 µg/g < 0.02 < 0.02 < 0.02 Acenaphthylene 0.02 µg/g < 0.02 < 0.02 < 0.02 Anthracene 0.02 µg/g 0.16 < 0.02 < 0.02 < 0.02 Benzo(a)anthracene 0.02 µg/g 0.36 < 0.02 < 0.02 < 0.02 Benzo(a)pyrene 0.02 µg/g 0.3 < 0.02 < 0.02 < 0.02 Benzo(b)fluoranthene 0.02 µg/g 0.47 < 0.02 < 0.02 < 0.02 Benzo(g,h,i)perylene 0.02 µg/g 0.68 < 0.02 < 0.02 < 0.02 Benzo(k)fluoranthene 0.02 µg/g 0.48 < 0.02 < 0.02 < 0.02 Chrysene 0.02 µg/g 2.8 < 0.02 < 0.02 < 0.02 Dibenzo(a,h)anthracene 0.02 µg/g 0.1 < 0.02 < 0.02 < 0.02 Fluoranthene 0.02 µg/g 0.56 < 0.02 < 0.02 < 0.02 Fluorene 0.02 µg/g 0.12 < 0.02 < 0.02 < 0.02 Indeno(1,2,3cd)pyrene 0.02 µg/g 0.23 < 0.02 < 0.02 < 0.02 Methylnaphthalene, µg/g 0.59 < 0.02 < 0.02 < 0.02 Methylnaphthalene, µg/g 0.59 < 0.02 < 0.02 < 0.02 Methylnaphthalene, 1 & µg/g 0.59 < 0.04 < 0.04 < 0.04 Naphthalene 0.01 µg/g 0.09 < 0.01 < 0.01 < 0.01 Phenanthrene 0.02 µg/g 0.69 < 0.02 < 0.02 < 0.02 Pyrene 0.02 µg/g 1 < 0.02 < 0.02 < 0.02 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. m bgs metres below ground surface. OVM Reading organic vapour meter reading (in ppmv unless noted). ppmv parts per million by volume. % LEL percent of the lower explosive limit of hexane. µg/g micrograms per gram. ms/cm millisiemens per centimetre. BOLD Concentration greater than Table 1 Standard. 1 Table 1 full depth background site condition standards for residential/parkland/ institutional/industrial/commercial/community property use (MOE, 2011).. SNCLAVALIN INC. Page 1 of

97 TABLE F.3: Groundwater Analytical Results General Chemistry and Metals 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID PWQO 2 City of Ottawa 3 City of Ottawa 4 MW3 Laboratory Sample ID Sample Location Storm Sewer Sanitary Sewer MW3 Sampling Date (yyyy/mm/dd) Discharge Limit Discharge Limit 2016/05/10 Parameter RDL Units Physical Parameters Conductivity 5 µs/cm na na na 1,050 Hardness 1.0 mg/l na na na 341 Inorganics Alkalinity ph mg/l na na na 575 Chloride 1,000 µg/l na na na 18,000 Fluoride 100 µg/l na na 10, Nitrate Nitrogen 100 µg/l na na na < 100 Nitrite Nitrogen 50 µg/l na na na < 50 ph 0.1 ph Sulphate 1,000 µg/l na na 1,500,000 6,000 Dissolved Metals 6 Antimony 0.5 µg/l 20 na 5,000 < 0.5 Arsenic 1 µg/l ,000 < 1 Barium 1 µg/l na na na 65 Beryllium 0.5 µg/l 1,100 (hardness>75) na na < 0.5 Boron 10 µg/l 200 na 25, Cadmium 0.1 µg/l 0.2 (hardness>100) < 0.1 Chromium (total) 1 µg/l ,000 < 1 Chromium (VI) 10 µg/l 1 na na < 10 1 Cobalt 0.5 µg/l 0.9 na 5,000 < 0.5 Copper 0.5 µg/l 5 (hardness>20) , Lead 0.1 µg/l 5 (hardness>80) ,000 < 0.1 Mercury 0.1 µg/l < 0.1 Molybdenum 0.5 µg/l 40 na 5, Nickel 1 µg/l ,000 2 Selenium 1 µg/l ,000 < 1 Silver 0.1 µg/l ,000 < 0.1 Sodium 20,000 µg/l na na na 130,000 Thallium 0.1 µg/l 0.3 na na < 0.1 Uranium 0.1 µg/l 5 na na 5.4 Vanadium 0.5 µg/l 6 na 5, Zinc 5 µg/l ,000 < 5 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reportable Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. µs/cm microsiemens per centimetre. mg/l milligrams per litre. ITALIC BLUE BOLD Concentration greater than City of Ottawa Sanitary and Combined Sewer Discharge Limits. Concentration greater than City of Ottawa Storm Sewer Discharge Limits. Concentration greater than PWQO. 1 Laboratory detection limit exceeds regulatory standard/guideline. 2 Provincial Water Quality Objectives (PWQO, 1994). Where PWQO is hardness dependent, hardness of receiving water assumed to be >100 mg/l. 3 City of Ottawa limits for storm sewer discharge (2003). 4 City of Ottawa limits for sanitary and combined sewers discharge (2003). 5 Both a PWQO and Interim PWQO exist. The more stringent should be applied where a greater level of aquatic protection is appropriate. 6 Limits and objectives presented are based on total metals (except mercury); analysed concentrations are for filtered groundwater (dissolved). SNCLAVALIN INC. Page 1 of

98 TABLE F.4 : Groundwater Analytical Results Petroleum Parameters and PAHs 2263 Portobello Blvd., Ottawa, ON SNCLavalin Sample ID PWQO 2 City of Ottawa City of Ottawa MW3 Laboratory Sample ID Storm Sewer Sanitary Sample Location Discharge Sewer MW3 Sampling Date (yyyy/mm/dd) Limits 3 Limits /05/10 Parameter RDL Units Volatiles Benzene 0.5 µg/l < 0.5 Toluene 0.5 µg/l < 0.5 Ethylbenzene 0.5 µg/l < 0.5 Xylenes 0.5 µg/l na < 0.5 m+pxylenes 0.5 µg/l na na na < 0.5 oxylenes 0.5 µg/l 40 na na < 0.5 Petroleum Hydrocarbon (PHC) Fractions PHC F1 25 µg/l na na na < 25 PHC F2 100 µg/l na na na < 100 PHC F3 100 µg/l na na na < 100 PHC F4 100 µg/l na na na < 100 PAHs Acenaphthene 0.05 µg/l na na na < 0.05 Acenaphthylene 0.05 µg/l na na na < 0.05 Anthracene 0.01 µg/l na na < Benzo(a)anthracene 0.01 µg/l na na < Benzo(a)pyrene 0.01 µg/l na na na < 0.01 Benzo(b)fluoranthene 0.05 µg/l na na na < 0.05 Benzo(g,h,i)perylene 0.05 µg/l na na < Benzo(k)fluoranthene 0.05 µg/l na na < Chrysene 0.05 µg/l na na < Dibenzo(a,h)anthracene 0.05 µg/l na na < Fluoranthene 0.01 µg/l na na < Fluorene 0.05 µg/l 0.2 na 59 < 0.05 Indeno(1,2,3cd)pyrene 0.05 µg/l na na na < 0.05 Methylnaphthalene, µg/l 2 na 32 < 0.05 Methylnaphthalene, µg/l 2 na 22 < 0.05 Methylnaphthalene, 1 & µg/l na na na < 0.10 Naphthalene 0.05 µg/l < 0.05 Phenanthrene 0.05 µg/l 0.03 na na < Pyrene 0.01 µg/l na na na < 0.01 Total PAHs 0.8 µg/l na 6 15 <0.8 All terms defined within the body of SNCLavalin's report. Laboratory analysis by Paracel Laboratories Ltd., Ottawa, ON. RDL Reporting Detection Limit, unless otherwise noted. < Denotes concentration less than indicated detection limit. "" Not analyzed. na Not applicable. µg/l micrograms per litre. ITALICS BOLD BOLD Concentration greater than City of Ottawa Sanitary and Combined Sewer Discharge Limits. Concentration greater than City of Ottawa Storm Sewer Discharge Limits. Concentration greater than PWQO. 1 Laboratory detection limit exceeds regulatory standard/guideline. 2 Provincial Water Quality Objectives (PWQO, 1994). 3 City of Ottawa limits for storm sewer discharge (2003). 4 City of Ottawa limits for sanitary and combined sewers discharge (2003). SNCLAVALIN INC. Page 1 of

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