ORDER OF THE LIEUTENANT GOVERNOR IN COUNCIL

Transcription

1 PROVICE OF BRITISH COLUMBIA ORDER OF THE LIEUTEAT GOVEROR I COUCIL Order in Council o. 18, Approved and Ordered October 31, 2017 Executive Council Chambers, Victoria Lieut"'an olibnor On the recommendation of the undersigned, the Lieutenant Governor, by and with the advice and consent of the Executive Council, orders that B.C. Reg. 23/2016 is amended as set out in the attached Appendix. limate Change Strategy Presiding Member of the Executive Council (This part is for <Jdministrarive purposes nnly and l.t nor part of the Order.) Authority under which Order is made: Act and section: Environmental Management Act, S.B.C. 2003, c. 3, ss. 21 and 138 Other: O.C. 268/88; O.C. 8/2002 RIOJ9296 page 1 of 21

2 APPEDIX 1 B.C. Reg. 23/2016 is amended (a) by repealing the Schedule 1 attached to that regulation and substituting the Schedule 1 attached to this regulation, and (b) by repealing the Schedule 10.1 attached to that regulation and substituting the Schedule 10.1 attached to this regulation. page 2 of21

3 SCHEDULE 1 DIOXI TOXICITY EQUIVALECY FACTORS Column 1 Congeners 2,3, 7,8-tetrachlorodibenzo-p-dioxin 1,2,3, 7,8-pentachlorodibenzo-p-dioxin I,2,3,, 7,8-hexachlorodibenzo-p-dioxin 1,2,3,6, 7,8-hexachlorodibenzo-p-dioxin 1,2,3, 7,8,9-hexachlorodibenzo-p-dioxin 1,2,3,,6, 7,8-heptachlorodibenzo-p-dioxin octachlorodibenzo-p-dioxin 2,3, 7,8-tetrachlorodibenzofuran 1,2,3, 7, 8-pentachlorodibenzofuran 2,3,, 7,8-pentachlorodibenzofuran 1,2,3,,7,8-hexachlorodibenzofuran 1,2,3,6, 7,8-hexachlorodibenzofuran 1,2,3,7,8,9-hexachlorodibenzofuran 2,3,,6, 7,8-hexachlorodibenzofuran 1,2,3,, 6, 7,8-heptachlorodibenzofuran 1,2,3,, 7,8,9-heptachlorodibenzofuran octachlorodibenzofuran PCB 77 PCB 81 PCB 126 PCB 169 PCB 10 PCB 11 PCB 118 PCB 123 PCB 16 PCB 17 PCB 167 PCB 189 Column2 Toxicity Equivalency Factor (TEF) page 3 of21

4 I SCHEDULE 10.1 SOIL SUBSTACE COCETRATIOS 1 Site-specific numeric soil standards for a land application plan for managed organic matter may be developed using protocols approved by the director. 2 Soil standards, expressed in!"gig dry weight in the following tables, must not be exceeded in soil to which n1anaged organic matter has been applied in accordance with a land application plan that does not include sil:e specific standards. TABLE 1- ARSEIC (CAS# ) 1 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote J Wildlands Wildlands Residential Residential SitE!-Specific Factor aturnl Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (WLR) (AL) (PL) (RLLD) (RLHD) (CL) (IL) 2 HUMA HEALTH Intake of contaminated soil , "0 0 g,... Groundwater used for drinking water EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and 2 fodder Major microbial functional impairment Groundwater flow to surface water used by aquatic life S 6 Freshwater Marine Groundwater used for livestock 10 watering Groundwater used for irrigation

5 otes I. All values in 11g/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human intake c.f contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the usc of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other usc that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil.. Standards arc adjusted using the 2012 US EPA OSWER Directive default Relative Bioavailability Factor (0.6) for arsenic in soil.. Standards are adjusted based on the 2016 reference Provincial background soil concentration for the substance. 6. S- no standard. Insufficient acceptable!:cientific data exists to calculate a standard, or no appropriate standard, guideline or criterion exists to develop a soil quality standard. '0 <fj ("I) VI,_.

6 ! COLUM 1 C:OLUM 2 TABLE 2- CADMIUM (CAS# ) 1 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote I Site-specific Factor Wildlands atural (Wl,.) Wildlands Residential Reverted Agricultural Urban Park Low Density (WLR) (AL) (PL) (Rllo) Residential High Density Commercial Industrial 2 (RLH 0 ) (CL) (IL) HUMA HEALTH Intake of contaminated soil ! '0 rfci {1> 0\ 0..., t: Groundwater used for drinking water ph< 7.0 ph 7.0- < 7. ph 7. < 8.0 ph> 8.0 EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and fodder Major microbial functional impairment Groundwater flow to surface water used by aquatic life Freshwater ph< 7.0 ph 7.0- < 7. ph 7.- < 8.0 ph 8.0 I I I I I I I I I I I I I, I I I,, , , ,7 6 Marine ph<. ph. < 6.0 ph 6.0 < 6. ph 6.- < 7.0 ph7.0-<7. ph 7. -< 8.0 ph I I l I I I I, Groundwater used for livestock watering ph<.0.

7 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote! Wildlands Wildlands Residential Residential Site-specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial 2 (WL) (WLR) (AL) (PL) (Rl,_o) (RLHo) (CL) (IL) ph.0- <. 6 ph.- < ph 6.0- < ph 6. - < ph 7.0- < 7. 7 ph 7.- < ph!:.o I 000 Groundwater used for irrigation ph <7.0 I I I I, ph 7.0- < ph 7. - < _j>_h >F..O '0 "" (t) -.)..., 0!:: otes I. All valtws in J.glg unless otherwise slated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil.. The ph is the ph of the soil at a s:;.te.. Standards have been adjusted bast:d on 2016 reference Provincial background soil concentration for the substance. 6. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value". 7. Standard varies with receiving water hardness (H). H = 10 to < 210 mg/l as CaC0 3 is assumed. Consult director for further advice.

8 ' COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 'Wildlands Wildlands Residential Residential Site-specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (WLR) (AL) (PL) (RlLD) (RlHo) (CL) (IL) ote 3 "0 00 g, HUMA HEALTH Intake of contaminated soil Groundwater used for drinking water > I 000 mg/g > I 000 mg/g > I 000 mg/g > I OOOmg/g > I OOOmg/g > I 000 mg/g > mg/g > I 000 mg/g EVIROl\'LET AL Toxicity to soil invertebrates and plants Livestock ingesting soil and 10 fodder 60 Major microbial functional 60 impairment Groundwater flow to surface water used by aquatic life Freshwater Marine > I 000 mg/g > I 000 mg/g > 1 OOOm g/g > mg/g > I 000 mg/g > I OOOmg/g > I 000 mg/g > I 000 mg/g Groundwater used for livestock 60 watering Groundwater used for irrigation otes I. All values in j.lg/g unless otherwis(' stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director' s protocol, or alternate methods acceptable to a director. 2. Analytical results for chromium (a:l species) in soil may be used to demonstrate compliance with the standards of this table. Where the standards cannot be met based on analytical results for chromium (all species), determination of chromium, trivalent and chromium, hexavalent concentrations in soil may be necessary., 6, ,8 7,9 6,7 8 6,7 8 6,7 8 6,7 8

9 3. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice.. Intake pathway of exposure modelled is inadvertent ingestion of soil.. Standard is based on chromium (all species). 6. Standard is for chromium, hexaval :nt. 7. Standard has been adjusted based c n 2016 reference Provincial background soil concentration for the substance. 8. Standard is for chromium, trivalent. 9. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value". '0 cfci (!) \0 s., t:

10 TABLE - COBALT (CAS # 70-8-) 1 COLUM 1 C:OLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 Wildlands Wildlands Residential Residential Site-specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (WLR) (AL) (PL) (RLLD) (RLHD) (CL) (IL) ote 2 '0 (1) 0 0 >-+> HUMA HI<:AL TH Intake of contaminated soil Groundwater used for drinking water EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and 20 fodder Major microbial functional impairment S Groundwater!low to surface water used by aquatic life 3, 6 Groundwater used for livestock watering ISO Groundwater used for irrigation otes I. All values in 11g/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human :intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil.. Some standards have been adjusted based on the reference Provincial background soil concentration for the substance.. Standards have been adjusted based. on the 2016 reference Provincial background soil concentration for the substance. 6. S- no standard. Insufficient acceptable scientific data exists to calculate a standard, or no appropriate standard, guideline or criterion exists to develop a soil quality standard.

11 COLUMI\11 COLLIM 2 COLUM _... _... """"....., 11, u--.v-v/ COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote Site-specific Factor Wildlands atural (WL) Wildlands Reverted {WLR) Residential Residential Agricultural Urban Park Low Density High Density Commercial Industrial 2 (AL) (PL) (RL,_o) (Ro) (CL) (IL) HUMA HEALTH Intake of contaminated soil '0 (1l Groundwater used for drinking water ph<.0 ph.0- <. ph.- < 6.0 ph 6.0- < 6. ph 6.- < 7.0 ph<:7.0 2SO so 000 so , EVIROMETAL Toxicity to soil invertebrates and plants 8 ISO ISO Livestock ingesting soil and fodder ISO Major microbial functional impairment 30 Groundwater flow to surface water used by aquatic life Freshwater ph<. ph S.S- < 6.0 ph 6.0- < 6. ph 6. -< 7.0 ph 7.0- < 7. ph2: soo S 7S 7S 7,6, , , , , soo 7 soo,7

12 I Marine GOLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 6 COLUM 9 Wildlands Wildlands Residential Residential Site-specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL} (WLR) (AL) (PL} (RLLol (RlHol (Cl) (IL) ph <6.0 7S 7S 7S 7S 7S 7S 7S 7S ph 6.0- < 6.S ISO ISO ISO ISO ISO 10 ph6.s- < SO 6SO 60 6SO 6SO 6SO 6SO ph2:7.0 I SOO I SOO I SOO I SOO I SOO I SOO I SOO I 00 ote I 2,6 "0 cffl (II t3..., 0... Groundwater used for livestock watering ph <S.O 7S ph S.O- <.S 100 ph S.- < ph 6.0- < 6.S 2 soo ph 6.S - < ph 7.0- < 7.S ph2:7.s 2S 000 Groundwater used for irrigation ph < S ph.- < ph 6.0- < 6. I 00 I 00 I SOO I SOO ph 6. - < soo 6 soo 6 soo ph2:7.0 IS 000 IS 000 IS 000 IS otes I. All values in 11g/g unless otherwise stated. Substances must be analyzed using methods specified in the 20 IS British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards oflhis table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children' s playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure moddled is inadvertent ingestion of soil.. The ph is the ph of the soil at a site. S. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value". 6. Standard has been adjusted based on 2016 reference Provincial background soil concentration for the substance. 7. Standard varies with receiving water hardness (H). H 2:: 200 mg/l as CaCOJ is assumed. Consult director for further advice.,6,6

13 COLUM 1 COLUM 2 COLUM 3 TABLE 6- LEAD (CAS# ) 1 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote Site-specific Factor Wildlands atural (WL) Wildlands Reverted (WLR) Residential Residential Agricultural Urban Park Low Density High Density Commercial Industrial 2 (AL) (PL) (Rlw) (RlHo) (CL) (IL) HUMA HEALTH Intake of contaminated soil '"0 rfj (I>... VJ 0...,., Groundwater used for drinking water ph<. ph. - < 6.0 ph 6.0 -< 6. ph 6. - < 7.0 ph 7.0- < 7. ph 2: 7. EVIROMETAL Toxicity to soil invertebrates and plants , 10! ISO l 000 l 000 I 000 Livestock ingesting soil and fodder 30 Major microbial functional impairment Groundwater tlow to surface water used by aquatic life Freshwater ph <.0 ph.0- <. ph.- < 6.0 ph < 6. ph 6.- < 7.0 ph 7.0- < 7. _l)_h2: I , ,7 I l I 00 I 00, , , , ,7

14 COLUM 1 COLUM 2 COLUM3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 Wildlands Wildlands Residential Residential Site-specific Factor atural Reverted AgricuHural Urban Park Low Density High Density Commercial Industrial (Wl,) (WLR) (AL) (PL) (RLLO) (RLHo) (CL) (IL) ote 2 "Cl......, 0!'-> - Marine ph < ph. - < ph < 6. I 00 I 00 I 00 I I 00 I 00 I 00 ph 6. - < ph2: Groundwater used for livestock watering ph<.0 10 ph.0 - <. 30 ph.- < 6.0 I 00 ph 6.0- < ph 6.- < ph 7.0- < 7. 7S 000 ph2: 7.S Groundwater used for irrigation ph< SO ph.0- <.S 6SO 6SO 60 6SO ph.- < ph 6.0- < 6.S 1S 000 IS 000 IS 000 IS 000 ph 6.S- < S ph> 7.0 ISO 000!0 000 ISO 000!0 000 otes I. All values in ).lg/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or altemate methods acceptable to a director. 2. The site-specitic factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specitied in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other usc that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil. Standards for: WL, WLR, AL, PL, RLw and RLHo have been adjusted based on 2016 reference Provincial background soil concentration hr the substance.. The ph is the ph of the soil at a site. S. Standards have been adjusted based on 2016 reference Provincial background soil concentration for the substance. 6. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value". 7. Standard varies with receiving water hardness (H). H = 200 to< 300 mg/l as CaC0.1 is assumed. Consult director for further advice.,

15 TABLE 7- MERCURY (CAS# ) 1 ' 2 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM B COLUM 9 Wildlands Wildlands Residential Residential Sittspecific Factor atural Reverted Agricultural Urban Park low Density High Density Commercial Industrial (Wl) (WlR) (Al) (Pl) (RL,_ol (RlHD) (Cl) (ll) ote 3 '0 (1)... V1 0...,... HUMA HEALTH Intake of contaminated soil Groundwater used for drinking S S S S S S S S water EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and 0.6 fodder Major microbial functional 20 impairment Groundwater flow to surface S S S S S S S S water used by aquatic life 6 Groundwater used for livestock watering S Groundwater used for irrigation S S S S L - L otes I. All values in J.g/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. Analytical results for mercury (all species) in soil may be used to demonstrate compliance with the standards of this table. 3. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice.. Intake pathway of exposure mod.elled is inadvertent ingestion of soil.. S- no standard. Insufficient acceptable scientitic data exists to calculate a standard, or no appropriate standard, guideline or criterion exists to develop a soil quality standard. 6. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value".

16 TABLE 8- MOLYBDEUM (CAS # ) 1 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote Wildlands Wildlands Residential Residential Sitc!-specific Factor atur111 Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (WLR) (AL) (PL) (RLLO) (RlHo) (CL) (IL) HUMA HEALTH Intake of contaminated soil l '"0 (1) 0\ 0..., Groundwater used for drinking water EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and fodder Major microbial functional impairment S S Groundwater flow to surface water used by aquatic life Groundwater used for livestock 3. watering Groundwater used for irrigation ,6 otes l. All values in ).lg/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of hume.n intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil.. S- no standard. Insufficient acceptable scientific data exists to calculate a standard, or no appropriate standard, guideline or criterion exists to develop a soil quality standard.. Standards have been adjusted based on the 2016 reference Provincial background soil concentration for the substance. 6. Water standard for irrigation water (IW) used in the soil to groundwater transport model to derive the groundwater used for irrigation soil standard varies with crop, soil drainage and Mo:Cu ratio. An JW standard of l 0 ).lg/l was assumed in deriving the groundwater used for irrigation soil standards. Consult a director for further advice.

17 COLUIVI 1 COLUM 2 TABLE 9 - ICKEL (CAS # ) 1 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote Site-specifit: Factor Wildlands atural (WIL.l Wildlands Residential Reverted Agricultural Urban Park Low Density (WLRl (All (Pll (RLLol Residential High Density Commercial Industrial 2 (RlHol (Cll (Ill HUMA HEALTH Intake of contaminated soil Groundwater used for drinking water ph < 7. ph7.-<8.0 ph ::o ( , "0... -J 0,...,... EVIROMETAL Toxicity to soil invertebrates and plants Livestock ingesting soil and fodder Major microbial functional impainnent ISO 10 ISO Groundwater flow to surface water used by aquatic life Freshwater ph <.0 ph.0- <. ph.- < 6.0 ph 6.0- < 6. ph 6.- < 7.0 ph < 7. ph 7.- < 8.0 ph ! , , , , , , , ,7 Marine ph < 7. ph 7.- < ,

18 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 Wildlands Wildlands Residential Residential Sitt!-specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL} (WLR} (AL) (PL) (RLLD} (RLHD} (CL) (IL) ph2: Groundwater used for livestock watering ph <.0 70 ph.0 -<. 80 ph. -< ph 6.0 -< ph 6. - < ph 7.0- < ph 7.- < ph2: ote 2, ' ,... Groundwater used for irrigation ph < ph 7.0 -< ph 7.- < ph>8.0 I 00 I 00 I otes I. All values in g/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors ofhum. n intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure modelled is inadvertent ingestion of soil.. The ph is the ph of the soil at the site.. Standards have been adjusted based on the reference Provincial background soil concentration for the substance. 6. Standard is set equal to 201 Canadian Council of Ministers ofthe Environment, "utrient and energy cycling check value". 7. Standard varies with receiving water hardness (H). H > 180 mg!l as CaC03 is assumed. Consult a director for further advice.,

19 I TABLE 10- SELEIUM (CAS # ) 1 COLUM 1 COLUM 2 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUMS COLUM 9 Wildlands Wildlands Residential Residential Sitcl-specific Factor atun11 Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (WLR) (AL) (PL) (RLLo) (RLHo) (CL) (IL) ote I 2 HUMA HEALTH Intake of contaminated soil I Groundwater used for drinking I I I I I I I I water EVIROMETAL Toxicity to soil invertebrates and plants 3 "0 (P... \0 0...,... Livestock ingesting soil and 2 fodder Major microbial functional impairment S Groundwater flow to surface I 1 I I I 1 I I water used by aquatic life Groundwater used for livestock watering I Groundwater used for irrigation I I l 1 6 otes I. All values in g/g unless otherwise stated. Substances must be analyzed using methods specified in the 201 British Columbia Environmental Laboratory Manual, as updated fro m time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential land use standards of this table assume the prohibition of the use of the land (a) to grow plants fo r human consumption, and (b) as a children's playground, sports fi eld, picnic area or any other use that promo tes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure moc\elled is inadvertent ingestion of soil.. Standards have been adjusted based on the reference Provincial background soil concentration for the substance.. S - no standard. Insuffic ient acceptable scientific data exists to calculate a standard, or no appropriate standard, guideline or criterion exists to develop a soil quality standard. 6. Standard applies where irrigation water is used for continuous or intermittent irrigation of crops.

20 COLUM 1 COLUM 2 TABLE 11- ZIC (CAS# ) 1 COLUM 3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 ote Site-specific Factor Wildlands atuml (WL} Wildlands Residential Reverted Agricultural Urban Park low Density (Wl,} (Al} (Pl) (RlLD) Residential High Density Commercial Industrial 2 (RLHD} (Cl) (ll) HUMA HEALTH Intake of contaminated soil 2S 000 2S S S 000 7S 000 > I 000 mg/g 3 '"0 ('D ,,_.. Groundwater used for drinking water ph< S.O ph S.O- < S. ph S.S- < 6.0 ph 6.0- < 6.S ph 6.- < 7.0 ph 7.0- < 7. ph 7.S- <8.0 ph?: 8.0 EVIROMETAL Toxicity to soil invertebrates and plants 200 2SO 300 SO 600 I s soo SO SO SO 0 SO I 000 I 000 I 000 I s soo s soo soo s SO SO 0 SO I 000 I 000 I s soo s Livestock ingesting soil and fodder 200 Major microbial functional impairment 200 Groundwater tlow to surface water used by aquatic life Freshwatc:r ph <6.0 ph 6.0- < 6. ph6.s -<7.0 ph7.0- < 7.S ph7.s- < 8.0 ph2:8.0 ISO 2SO 3SO 600 I SOO ISO ISO 10 ISO 2SO 2SO 20 2SO 3SO 3SO 30 3SO I 00 I SOO I 00 I SOO ! ,6, ,7 3SO 30 30, ,7 l 00 l soo I SOO, ,7 ---

21 I GOLUM 1 COLUM 2 COLUM3 COLUM COLUM COLUM 6 COLUM 7 COLUM 8 COLUM 9 Wildlands Wildlands Residential Residential Site- specific Factor atural Reverted Agricultural Urban Park Low Density High Density Commercial Industrial (WL) (W) (AL) (PL) (RLLO) (Rol (CL) (IL) Marine ph< 8.0 ISO ISO ISO ISO ISO ISO 1SO ISO ph2: ote I 2,6 "0 (b ,... Groundwater used for livestock watering ph < S. 10 ph.- < ph 6.0- < ph 6. -< ph < 7.S 7SO ph 7. - < ph2: Groundwater used for irrigation ph <6.0 ISO!0 ISO 10 ph 6.0- < ph 6.- < ph 7.0- < 7.S ph 7.- < ph > otes I. All values in g/g unless othenvise stated. Substances must be analyzed using methods specified in the 201S British Columbia Environmental Laboratory Manual, as updated from time to time, a director's protocol, or alternate methods acceptable to a director. 2. The site-specific factors of human intake of contaminated soil and toxicity to soil invertebrates and plants specified in this table apply at all sites. The high density residential1and use standards of this table assume the prohibition of the use of the land (a) to grow plants for human consumption, and (b) as a children's playground, sports field, picnic area or any other use that promotes frequent contact by children. Consult a director for further advice. 3. Intake pathway of exposure mcdelled is inadvertent ingestion of soil.. The ph is the ph of the soil at a site. S. Standard is set equal to 1999 Canadian Council of Ministers of the Environment, "utrient and energy cycling check value". 6. Standards have been adjusted based on the 2016 reference Provincial background soil concentration for the substance. 7. Standard varies with receiving water hardness (H). H = 200 to < 300 mg!l as CaC0 3 is assumed. Consult director for further advice.,6,6