Ontario Soil Standards (other than sediment) II (mg/kg) Potable Ground Water Non-Potable Ground Water. Industrial/ Commercial

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1 T3 Table 3 Soil quality benchmarks I Substance Ontario Soil Standards (other than sediment) II (mg/kg) Potable Ground Water Non-Potable Ground Water Canadian Environmental Quality Criteria and Guidelines III (mg/kg) Agricultural/ Residential IV Industrial/ Commercial Residential Industrial/ Commercial Agricultural/ Residential IV Acenaphthene (29) 7.9 (29) 21 (8) Acenaphthylene (0.17) 0.1 (0.17) 0.1 (0.17) 0.1 (0.17) 0.1 Acetone (28) 16 (28) 16 (28) 16 (28) 16 Aldrin 0.0 (0.11) (0.11) Anthracene (0.74) 0.67 (0.74) 0.67 (0.74) 0.67 (0.74) 0.67 Industrial/ Commercial V Antimony 7. () () Arsenic (A) Barium (A) Benzene (0.17) 0.21 (0.4) 0.32 (0.17) 0.21 (0.4) 0.32 ( - Incremental Risk) ( - Incremental Risk) ( -6 Incremental Risk) ( -6 Incremental Risk) (AC)0.03 (RC)0.03 (AC)0.03 (RC)0.03 (AC)0.009 (RC)0.009 (AC)0.011 (RC)0.011 Benzo(a)anthracene (0.63) (0.63) Benzo(a)pyrene (A) (R)0.3 Benzo(b)fluoranthene Benzo(g,h,i)perylene (7.8) (7.8) Benzo(k)fluoranthene Beryllium () 4 () 8 () 4 () Biphenyl, 1,1- (1.1) 0.31 (2) 2 (1.1) 0.31 (2) 2 Bis(2-chloroethyl) ether Bis(2-chloroisopropyl) Ether (1.8) 0.67 (13) 11 (1.8) 0.67 (14) 11

2 Bis(2-ethylhexyl) (3) 28 (3) 28 phthalate Boron (Hot Water (A)2 Soluble) VII Boron (total) Bromodichloro-methane (1.9) 1. (1.9) Bromoform (0.26) 0.27 (1.7) 0.61 (0.26) 0.27 (1.7) 0.61 Bromomethane Cadmium (A) (A) (R) Carbon tetrachloride (0.12) 0.0 (0.71) 0.21 (0.12) 0.0 (1.) 0.21 Chlordane Chloroaniline, p- (0.3) 0. (0.3) 0. (0.3) 0. (0.3) 0. Chlorobenzene (2.7) 2.4 (2.7) 2.4 (2.7) 2.4 (2.7) 2.4 Chloroform (0.18) 0.0 (0.18) 0.47 (0.18) 0.0 (0.18) 0.47 Chlorophenol, 2- (2) 1.6 (3.9) 3.1 (2) 1.6 (3.9) 3.1 (R)0. Chromium (total) Chromium (VI) () 8 () 8 () 8 () Chrysene (7.8) (7.8) Cobalt 22 (0) (0) 80 (A) Copper (180) 140 (300) 230 (180) 140 (300) Cyanide DDD DDE (0.33) 0.26 (0.6) 0.2 (0.33) 0.26 (0.6) 0.2 DDT (A) Dibenzo(a,h) anthracene Dibromochloro-methane (2.9) 2.3 (2.9) Dichlorobenzene, 1,2- (1.7) 1.2 (1.7) 1.2 (4.3) 3.4 (8.) 6.8 Dichlorobenzene, 1,3- (6) 4.8 (12) 9.6 (6) 4.8 (12) 9.6 Dichlorobenzene, 1,4- (0.097) (0.7) 0.2 (0.097) (0.84) Dichlorobenzidine, 3, Dichlorodifluoromethane (2) 16 (2) 16 (2) 16 (2) 16 Dichloroethane 1,1- (0.6) 0.47 (0.6) 0.47 (11) 3. (21) 17 Dichloroethane, 1, Dichloroethene, 1,1- Dichloroethene, 1,2- Dichloroethylene, 1,1-0.0 (0.48) (0.48) Dichloroethylene, 1,2-cis (2.) 1.9 (2.) 1.9 (30) 3.4 (37)

3 Dichloroethylene, 1,2- (0.7) (2.) 1.3 (0.7) (9.3) 1.3 trans Dichlorophenol, 2,4- (0.27) 0.19 (0.27) 0.19 (2.1) 1.7 (4.2) 3.4 (R)0. Dichloropropane, 1,2 (0.08) 0.0 (0.68) 0.16 (0.08) 0.0 (0.68) 0.16 Dichloropropene, 1,3- (0.081) 0.0 (0.081) (0.083) 0.0 (0.21) Dieldrin 0.0 (0.11) (0.11) Diethyl phthalate Diisopropanolamine Dimethylphenol, 2,4- (3) 38 (3) 38 (420) 390 (440) 390 Dimethyl phthalate Dinitrophenol, 2,4- (2.9) 2 (2.9) 2 38 (66) 9 Dinitrotoluene, 2,4 & ,6- Dioxane, 1,4 (A) Dioxin/Furan (TEQ) Endosulfan 0.04 (0.38) (0.38) 0.3 Endrin Ethylbenzene (1.6) 1.1 (1.6) 1.1 (1) 2 (19) 9. (AC)0.082 (AF)0.018 (RC)0.082 (RF)0.018 (AC)0.082 (AF)0.018 (RC)0.082 (RF)0.018 (CC)0.082 (CF)0.018 (IC)0.082 (IF)0.018 (CC)0.082 (CF)0.018 (IC)0.082 (IF)0.018 Ethylene dibromide Ethylene glycol Fluoranthene Fluorene (69) 62 (69) 62 (69) 62 (69) 62 Fluoride (total) (A)200 (R) Heptachlor Heptachlor epoxide Hexachlorobenzene Hexachlorobutadiene (0.014) (0.09) (0.014) (0.09) Hexachlorocyclo-hexane (0.063) (0.063) (0.063) (0.063) (A)0.01 Gamma- (Lindane) Hexachloroethane (0.071) (0.43) 0.21 (0.071) (0.43) Hexane (n) VIII (34) 2.8 (88) 46 (34) 2.8 (88) 46 (AC)0.49 (AF)6. (RC) 0.49 (RF) 6. (CC)6. (CF)21 (IC)6. (IF)21

4 Indeno(1,2,3-c,d) pyrene (0.48) 0.38 (0.9) 0.76 (0.48) 0.38 (0.9) 0.76 Lead (A) (A) Mercury (A) (1.8) 0.2 (R) (1.8) 0.27 (C)260 (I)600 (20) 3.9 (1.8) 0.27 (20) (C)24 (I) Methoxychlor Methyl ethyl ketone (44) 16 (88) 70 (44) 16 (88) 70 Methyl isobutyl ketone (4.3) 1.7 (2) 31 (4.3) 1.7 (2) 31 Methyl mercury IX (0.0094) (0.0094) (0.0094) (0.0094) Methyl-t-butyl ether (1.4) 0.7 (2.3) 1.6 (1.4) 0.7 (3.2) 11 (MTBE) Methylene chloride (0.96) 0.1 (2) 1.6 (0.96) 0.1 (2) 1.6 Methylnaphthalene, 2-(1- (3.4) 0.99 (42) 30 (3.4) 0.99 (8) 76 ) X Molybdenum (A) (R) Monochlorobenzene (A)0.01 Monochlorophenols (R)0. Naphthalene (0.7) 0.6 (28) 9.6 (0.7) 0.6 (28) 9.6 Nickel (130) 0 (340) 270 (130) 0 (340) 270 Nonylphenol (and its.7 14 ethyloxylates) Pentachlorobenzene Pentachlorophenol 0.1 (3.3) (3.3) Petroleum hydrocarbons (6) (6) (6) (6) F1 XI Petroleum hydrocarbons (1) 98 (2) 230 (1) 98 (2) 230 F2 Petroleum hydrocarbons (1300) 300 (20) 1700 (1300) 300 (20) 1700 F3 Petroleum hydrocarbons (600) 2800 (6600) 3300 (600) 2800 (6600) 3300 F4 Phenanthrene (7.8) 6.2 (16) 12 (7.8) 6.2 (16) 12 Phenol Phenolic compounds, nonchlorinated XII Polychlorinated (A)0. 33 biphenyls.3 (PCBs) Polychlorinated dibenzop- dioxins/ dibenzofurans (PCDD/Fs) Pyrene Quinoline 40 4 ngteq/kg 4 ngteq/kg

5 Selenium Silver (2) 20 () 40 (2) 20 () Styrene (2.2) 0.7 (43) 34 (2.2) 0.7 (43) 34 Sulpholane Sulphur (elemental) (A)0 Tetrachlorobenzene isomers (each) Tetrachloroethane, (0.0) 0.08 (0.11) (0.0) 0.08 (0.11) ,1,1,2- Tetrachloroethane, 0.0 (0.094) (0.094) 0.0 1,1,2,2- Tetrachloroethylene (2.3) 0.28 (2.) 1.9 (2.3) 0.28 (21) 4. (R)0.2 (C)0. (I)0.6 Tetrachlorophenols (R)0. Thallium Thiophene Tin (A) Toluene (6) 2.3 (9) 6.4 (6) 2.3 (78) 68 Trichlorobenzene, 1,2,3- (AC)0.37 (AF)0.08 (RC)0.37 (RF)0.08 (AC)0.37 (AF)0.08 (RC)0.37 (RF)0.08 Trichlorobenzene, 1,2,4- (1.4) 0.36 (16) 3.2 (1.4) 0.36 (16) 3.2 Trichlorobenzene, 1,3,- Trichloroethane, 1,1,1- (3.4) 0.38 (12) 6.1 (3.4) 0.38 (12) 6.1 Trichloroethane, 1,1,2-0.0 (0.11) (0.11) 0.0 Trichloroethylene (0.2) (0.61) 0. (0.2) (0.61) 0.91 (R)3 Trichlorofluoromethane (.8) 4 (.8) 4 (.8) 4 (.8) 4 Trichlorophenol, 2,4,- (.) 4.4 () 9.1 (.) 4.4 (R)0. (CC)0.37 (CF)0.08 (IC)0.37 (IF)0.08 (CC)0.37 (CF)0.08 (IC)0.37 (IF)0.08 Trichlorophenol, 2,4,6- (2.9) 2.1 (2.9) 2.1 (4.2) 3.8 (4.2) 3.8 (R)0. Uranium (C)33 (I)300 Vanadium Vinyl chloride (0.022) 0.02 (0.2) (0.022) 0.02 (0.2) Xylenes (2) 3.1 (30) 26 (2) 3.1 (30) 26 (AC)11 (AF)2.4 (RC)11 (RF) (CC)11 (CF)2.4 (IC)11 (IF)2.4

6 (AC)11 (AF)2.4 (RC)11 (RF)2.4 (CC)11 (CF)2.4 (IC)11 (IF)2.4 Zinc I All values in milligrams per kilogram (mg/kg) unless otherwise indicated. Please note that mg/kg is equivalent to g/g. Separate values for different soil texture groups are listed. The value for coarse soils is the one that is not bracketed, whereas the value for medium and fine textured soils is given within brackets. Where there are no bracketed values, the value applies to both soil groups. II Ontario Ministry of the Environment, Soil, Ground Water and Sediment Standards for use Under Part XV.1 of the Environmental Protection Act, Table 2; Full Depth Generic Site Condition Standards in a Potable Ground Water Condition, Table 3; Full Depth Generic Site Condition Standards in a Non-Potable Ground Water Condition, April 2011, Sediment-Standards-EPA.pdf. III Canadian Council of Ministers of the Environment, Soil Quality Guidelines for the Protection of Environmental and Human Health, December 2012, Guidelines-for-the-Protection-of-Environmental-and-Human-Health-Dec-2012.pdf. IV (A) indicates agricultural land and (R) indicates residential land if the values for these types of land differ. In some cases, a value may exist for only one of the two (for example, quinoline) and is specified by the appropriate letter. V (I) indicates industrial land and (C) commercial land if the values for these two types of land differ. (CC) indicates commercial land with coarse soil, (CF) indicates commercial land with fine soil, (IC) indicates industrial land with coarse soil, and (IF) indicates industrial land with fine soil. VI There is no single Canadian Soil Quality Guideline that will protect both human and environmental health from all PAHs. To ensure that both human and ecological receptors are protected, a three-step process must be followed. This is due to the combination potential of PAHs; they must be calculated together. The federal calculation for contamination standards of PAH can be found on pages 2-3 of the polycyclic aromatic hydrocarbons factsheet: 20.pdf. See Figure 2 on pages for an example of how to apply the Canadian Soil Quality Guidelines for PAHs at a contaminated site. VII The boron standards are for hot water soluble extract for all surface soils. For subsurface soils the standards are for total boron (mixed strong acid digest), since plant protection for soils below the root zone is not a significant concern. VIII Canadian Environmental Quality Criteria and Guidelines: Data are sufficient and adequate to only calculate a Soil Quality Guideline for Human Health (SQG HH ), and not a Soil Quality Guideline for Environmental Health (SQG E ). Therefore the recommended soil quality guideline is set as the SQG HH and represents a de novo guideline for this land use, derived in accordance with the soil protocol (CCME 2006). IX Analysis for methyl mercury only applies when mercury (total) standard is exceeded. X The methylnaphthalene standards are applicable to both 1-methylnaphthalene and 2- methylnaphthalene, with the provision that if both are detected the sum of the two must not exceed the standard. XI F1 fraction does not include BTEX; however, the proponent has the choice as to whether or not to subtract BTEX from the analytical result. XII Nonchlorinated phenolic compounds include 2,4-dimethylphenol; 2,4-dinitrophenol; 2-methyl 4,6- dinitrophenol; nitrophenol (2-, 4-); cresol.