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Hydrogen sulfide limits and guidelines in Canada–Nova Scotia offshore area (CA.ns_offshore_area)

3 numeric limits and guidelines for hydrogen sulfide held for Canada–Nova Scotia offshore area and the place above it, from 1 instrument, each cited to its instrument, edition, section or page and quoted text. The register was built from 247 instruments. Everything held for Canada–Nova Scotia offshore area

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For programs: this page as JSON at /api/v1/limits?parameter=hydrogen%20sulfide&place=CA.ns_offshore_area; the same at https://passage-data.com/mcp, a remote MCP server (tool find_limits). Every tool · llms.txt · OpenAPI

The one instrument we hold for Canada–Nova Scotia offshore area (CA.ns_offshore_area) has no row for hydrogen sulfide. The rows below are from the place above it, which we search too.

Canada (CA): 3 rows

ParameterValueUnitStatisticGovernsApplies whenCite
Sulfide0.1lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)monthly averageeffluent · limitcites: PRLER
route: direct		Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column II: monthly amount (the month's mean of daily authorized deposits, s. 7)
3 Sulfide 0.1 0.3 0.5
Sulfide0.3lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)effluent · limitcites: PRLER
route: direct
the actual deposit may exceed it on no more than one day in each month (s. 5(1)(b))		Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column III: one day amount — not exceeded on more than one day in a month (s. 8(1))
3 Sulfide 0.1 0.3 0.5
Sulfide0.5lb per 1,000 barrels of crude oil (× the refinery's reference crude rate)daily maximumeffluent · limitcites: PRLER
route: direct		Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits
Schedule I, Column IV: maximum daily amount (s. 8(2))
3 Sulfide 0.1 0.3 0.5

Not held here: a discharge permit's own limits, and any rule for hydrogen sulfide outside the 12 instruments we hold for this place and the places above it. A row missing here is missing from our sources, not from the law.

Free check: send your permit or your lab results, and we check each number against these rows, every verdict cited to its page, by email within 5 business days. Or send the link to a rule we do not hold: we read it and cite it by page.

What was searched

Every instrument we hold for Canada–Nova Scotia offshore area (CA.ns_offshore_area) and the place above it, Canada (CA): 12 instruments, for every parameter name matching “hydrogen sulfide”: hydrogen sulfide, undisassociated hydrogen sulfide, cyclohexene 4 ethenyl reaction products with hydrogen sulfide h2s.

  1. Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 30e528bdc3a3546afb3defff4dae9b1dacb362e192680e127bd788d7f97c8ce8 — 3 rows here
11 instruments searched with no row for it
  1. Canadian Ambient Air Quality Standards (CAAQS), environmental quality objectives under CEPA 1999 ss. 54(1) and 55(1): Objectives for Ambient PM2.5 and Ozone, Annex paras 1-4 and footnotes 1-2, Canada Gazette Part I, Vol. 147, No. 21, May 25, 2013 · Canada Gazette, Part I, Volume 147, Number 21: GOVERNMENT NOTICES May 25, 2013 · source — no row here
  2. CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24) · Canadian Council of Ministers of the Environment (CCME) · Summary Table · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  3. CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term · Canadian Council of Ministers of the Environment (CCME) · Summary Table (as served 2026-09-24; each guideline carries its own year) · source sha256 f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499 — no row here
  4. Fisheries Act (R.S.C. 1985, c. F-14), s. 36(3) — no deposit of a deleterious substance in water frequented by fish; no value printed · Government of Canada (Fisheries Act; Environment and Climate Change Canada administers s. 36) · Justice Laws Website, current to 2026-09-21, last amended 2024-11-27 · source sha256 db95b0a149728b0f0b1e1b1314d87ecdf46a91e1edfec4a7006fc3cbe0080bd6 — no row here
  5. Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09) · Health Canada · Objective value · source sha256 32a42a0d382cdd90729dd9750f47889782bd00d4af8dfd34f2b9aaf6f2678c6c — no row here
  6. Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe — no row here
  7. Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 c60e2a2dfa9a10c2ddd314b391bf66215ad599732f38b4c5a15fe793d8c28841 — no row here
  8. Offshore Waste Treatment Guidelines (National Energy Board, Canada-Newfoundland and Labrador Offshore Petroleum Board, Canada-Nova Scotia Offshore Petroleum Board, 15 December 2010) — performance targets · National Energy Board, Canada-Newfoundland and Labrador Offshore Petroleum Board and Canada-Nova Scotia Offshore Petroleum Board (now C-NLOER and CNSOER) · 15 December 2010 (ISBN 978-1-100-17491-4) · source sha256 b0b2bca759a406484e14f25626d7c58358fbc45e037bb613e11d222d42af5215 — no row here
  9. Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829) — Schedule I authorized deposits · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 691ca3953a6dd6ae66b4c72737944caa68ed76710447df642a16716dd25027a3 — no row here
  10. Pulp and Paper Effluent Regulations (SOR/92-269) — s. 14 maximum BOD and suspended solids · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21 · source sha256 cc8432e6a4dd1834ff4dd43d5b5fb98f09b1f7af7952e36154febcc649504eb4 — no row here
  11. Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality · Government of Canada (Fisheries Act; Environment and Climate Change Canada) · Justice Laws Website, current to 2026-09-21, last amended 2026-06-04 · source sha256 0a60e10f783f7aca672792303dffcca1525133eb34eb32711543cb3cf4bbb955 — no row here

Read from public law and public agency files. A row missing here is missing from our sources, not from the law of the place. Check the cited source before relying on a value.