bc csr omnibus amendment: a case study on...
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BC CSR Omnibus Amendment: A Case Study on the Impacts to Environmental Investigation and RemediationBy: Karey Dow, P.Ag., PMP, Senior Project Manager, Hemmera
May 2017
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Agenda• What is Omnibus?• Key Updates• Case Study on Typical Sites
• Petroleum Hydrocarbons• Solvents (TCE)• Metals
• Key Takeaways
What is Omnibus?“a volume of reprinted works of a single author or of works related in interest or theme.”
“pertaining to, including, or dealing with numerous objects or items at once”
1997 2017
Key Omnibus Updates
• Update and add standards to current science
• Eliminate Schedule 7 Soil Relocation standards
• Add new Parkade vapour standards• Establish new Low & High Density
Residential land use standards• Add 2 new Wildland standards ‐
natural & reverted• New/Updated supporting Guidance
and Protocols
• CSR Stage 10 Amendments coming November 1, 2017:
Case Studies on Typical Sites
Case Study #1: Hydrocarbons in Soil
• Benzene, ethylbenzene, and xylenes essentially the same
• Toluene becomes a COC• Overall: Minimal Impact
BH14‐203
M13‐06
SV/MW14‐204 M13‐03
SV/MW13‐8
BH2
BH1
SV/MW13‐7
BH13‐02
M13‐05
SV/MW14‐205
MW15‐302S/D
SV/MW13‐10
MW15‐301S/DSV/MW13‐9
SV/MW14‐206BH3
BH13‐01
BH5
12‐BH101
BH13‐02
SV/MW13‐3
SV/MW13‐4
12‐BH102
BH13‐01
SV/MW13‐5
SV/MW13‐6SV/MW14‐207
BH4
SV/MW13‐2
BH13‐07
BH6
SV/MW13‐1
BH13‐04
BH7
UST Nest
Impact of Omnibus:
Benzene>0.04 ppm (Current)
Toluene>2.5 ppm (Current)
Ethylbenzene >7 ppm & Xylenes>20 ppm (Current)
Toluene>0.3 ppm (Omnibus)
Benzene>0.03 ppm (Omnibus) Ethylbenzene>10 ppm & Xylenes>4.5 ppm (Omnibus)
Case Study #1: Hydrocarbons in Groundwater
• Benzene (driver for newer releases):• no change for DW• AW↓
• Toluene:• DW ↑• AW ↓
• Ethylbenzene (driver for older releases:
• DW ↑• No change for AW
• Xylenes:• DW ↓• AW ↓
• Overall: Minimal Impact
MW15‐306
SV/MW14‐201
BH14‐203
MW15‐307
MW15‐308
MW15‐306
M13‐06
SV/MW14‐202
SV/MW14‐204 M13‐03
SV/MW13‐8
BH2
BH1
SV/MW13‐7
BH13‐02
M13‐05
SV/MW14‐205
SV/MW13‐10
SV/MW13‐9
SV/MW14‐206BH3
BH13‐01
BH5
12‐BH101
BH13‐02
SV/MW13‐3
SV/MW13‐4
12‐BH102
BH13‐01
SV/MW13‐5
SV/MW13‐6SV/MW14‐207
BH4
SV/MW13‐2
BH13‐07
BH6
SV/MW13‐1
BH13‐04
BH7
UST Nest
Benzene >5 ppb (Current)Impact of Omnibus:
Ethylbenzene >2.4 ppb (Current)
Benzene >5 ppb (Omnibus)
Ethylbenzene >140 ppb (Omnibus)
Case Study #2: TCE in Soil??
• Additional delineation
• Off‐site contamination• Introduces a third party • Additional CoC
• Increased volume of soil disposal
• @$50/tonne = ~ extra $50K
BH3(B)
BH115(A)
BH116(B)
BH115(B)
BH116(B)
BH21(A)
MW17‐316BH11(A) BH13
BH20(A)BH19(A)BH18(A)BH5(C)
BH14(A)
BH23(A)
BH22(A)
BH17(A)
BH2(B)
BH16(A)
BH15(A)
BH4(C)
BH12(A)
BH6(C)
BH1(B)
MW07‐01
BH3(A)MW17‐306
BH4(D)
MW17‐304
BH1(D)
BH10(B)
VW17‐305
BH8(C) MW17‐303
BH5(D)
BH2(D)BH11(B)
BH9(B)BH15(B)
BH16(B)BH30
BH3(C)BH14(B)
BH12(B)
MW17‐311
MW17‐309MW17‐318
MW17‐315
MW17‐312
MW17‐03
MW17‐02
BH1(C)
MW07‐04
BH26
BH6(B)
BH24BH21(B)
BH2(C)
BH22(B)
BH7(B)
MW17‐301
EMW‐1
MW17‐302
BH8(B)
EMW‐2
BH19(B)BH18(B)
BH25
BH17(B)
MW17‐307
BH4(B)
BH6(D)
BH23(B)
BH7(C) BH20(B)
MW17‐317
MW17‐308 MW17‐310
BH35
MW17‐313
MW17‐319
MW17‐314
BH02M
BH9(A)BH34
BH33
BH10(A)BH32
BH31
BH06MBH01M
TCE>0.65 ppm (Current) ? ?
?
?
?
?
TCE>0.3 ppm (Omnibus)
TCE>0.015 ppm (Current DW)
Impact of Omnibus:
Case Study #2: TCE in Vapour
• Less delineation
• Impacts remain on‐site
• Removes high‐risk condition
• No contamination if building a parkade
• Could get a CoC prior to construction
BH3(B)
BH115(A)
BH116(B)
BH115(B)
BH116(B)
BH21(A)
MW17‐316BH11(A) BH13
BH20(A)BH19(A)BH18(A)BH5(C)
BH14(A)
BH23(A)
BH22(A)
BH17(A)
BH2(B)
BH16(A)
BH15(A)
BH4(C)
BH12(A)
BH6(C)
BH1(B)
MW07‐01
BH3(A)MW17‐306
BH4(D)
MW17‐304
BH1(D)
BH10(B)
VW17‐305
BH8(C) MW17‐303
BH5(D)
BH2(D)BH11(B)
BH9(B)BH15(B)
BH16(B)BH30
BH3(C)BH14(B)
BH12(B)
MW17‐311
MW17‐309MW17‐318
MW17‐315
MW17‐312
MW17‐03
MW17‐02
BH1(C)
MW07‐04
BH26
BH6(B)
BH24BH21(B)
BH2(C)
BH22(B)
BH7(B)
MW17‐301
EMW‐1
MW17‐302
BH8(B)
EMW‐2
BH19(B)BH18(B)
BH25
BH17(B)
MW17‐307
BH4(B)
BH6(D)
BH23(B)
BH7(C) BH20(B)
MW17‐317
MW17‐308 MW17‐310
BH35
MW17‐313
MW17‐319
MW17‐314
BH02M
BH9(A)BH34
BH33
BH10(A)BH32
BH31
BH06MBH01M
TCE>0.5 µg/m3 (Current)
??
?
?
?
?
?
TCE>6 µg/m3 (Omnibus CL)
TCE>15 µg/m3 (Omnibus Parkade)
Impact of Omnibus:
Case Study #3: Metals in Soil
Impact of Omnibus:• Additional delineation
• Off‐site contamination• Introduces at least three third
parties • Additional CoCs
• Increased volume of soil disposal
• @ $60/tonne = ~ extra $1.9M
• Elimination of Schedule 7 may provide some relief
BH3(B)
BH115(A)
BH116(B)
BH115(B)
BH116(B)
BH21(A)
MW17‐316BH11(A) BH13
BH20(A)BH19(A)BH18(A)BH5(C)
BH14(A)
BH23(A)
BH22(A)
BH17(A)
BH2(B)
BH16(A)
BH15(A)
BH4(C)
BH12(A)
BH6(C)
BH1(B)
MW07‐01
BH3(A)MW17‐306
BH4(D)
MW17‐304
BH1(D)
BH10(B)
VW17‐305
BH8(C) MW17‐303
BH5(D)
BH2(D)BH11(B)
BH9(B)BH15(B)
BH16(B)BH30
BH3(C)BH14(B)
BH12(B)
MW17‐311
MW17‐309MW17‐318
MW17‐315
MW17‐312
MW17‐03
MW17‐02
BH1(C)
MW07‐04
BH26
BH6(B)
BH24BH21(B)
BH2(C)
BH22(B)
BH7(B)
MW17‐301
EMW‐1
MW17‐302
BH8(B)
EMW‐2
BH19(B)BH18(B)
BH25
BH17(B)
MW17‐307
BH4(B)
BH6(D)
BH23(B)
BH7(C) BH20(B)
MW17‐317
MW17‐308 MW17‐310
BH35
MW17‐313
MW17‐319
MW17‐314
BH02M
BH9(A)BH34
BH33
BH10(A)BH32
BH31
BH06MBH01M
?
Zn & As (Current) Be (Current)Zn, Cr, & As (Current)
?
?
?
??
?
?
?
?
?
??
Zn, As, Cd, Cr, Ni, Cu, V, Se (Omnibus)
As, Cr, Cu (Omnibus)
Case Study #3: Metals in Groundwater
• Off‐site:• Introduces a third
party • Additional CoC
• Additional delineation and more metal contaminants
• Chromium speciation becomes driver ‐Marine AW drops from 150 – 15ppb
BH3(B)
BH115(A)
BH116(B)
BH115(B)
BH116(B)
BH21(A)
MW17‐316BH11(A) BH13
BH20(A)BH19(A)BH18(A)BH5(C)
BH14(A)
BH23(A)
BH22(A)
BH17(A)
BH2(B)
BH16(A)
BH15(A)
BH4(C)
BH12(A)
BH6(C)
BH1(B)
MW07‐01
BH3(A)MW17‐306
BH4(D)
MW17‐304
BH1(D)
BH10(B)
VW17‐305
BH8(C) MW17‐303
BH5(D)
BH2(D)BH11(B)
BH9(B)BH15(B)
BH16(B)BH30
BH3(C)BH14(B)
BH12(B)
MW17‐311
MW17‐309MW17‐318
MW17‐315
MW17‐312
MW17‐03
MW17‐02
BH1(C)
MW07‐04
BH26
BH6(B)
BH24BH21(B)
BH2(C)
BH22(B)
BH7(B)
MW17‐301
EMW‐1
MW17‐302
BH8(B)
EMW‐2
BH19(B)BH18(B)
BH25
BH17(B)
MW17‐307
BH4(B)
BH6(D)
BH23(B)
BH7(C) BH20(B)
MW17‐317
MW17‐308 MW17‐310
BH35
MW17‐313
MW17‐319
MW17‐314
BH02M
BH9(A)BH34
BH33
BH10(A)BH32
BH31
BH06MBH01M
Zn, Pb, Cd, Ni, Co (Current)
Impact of Omnibus:
Zn, Cr, Pb, Cd Ni, Co (Omnibus)
?
?
?
?
?
? Cr (Omnibus)
Omnibus Review – Key TakeawaysOmnibus is effective November 1, 2017
Petroleum Hydrocarbons Solvents
• Minimal impact on newer releases
• Slight relaxation on older releases
• Status quo for vapours (except for parkades)
• Generally Positive effect
• Soil relaxed under DW scenario = cost savings for delineation and disposal costs
• Status quo for groundwater
• Relaxation of vapour standards (especially for parkades)
Metals
• Generally negative effect
• Significantly more stringent soil standards = $$$ for delineation and soil disposal
• More groundwater migration and risk assessment
• A simplified soil relocation process may provide some relief
Thank you. Questions?Hemmera Envirochem Inc. 18th Floor, 4730 KingswayBurnaby, BC V5H 0C6
Special thanks to:
for analytical results and soil disposal rates.