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Styrene limits and guidelines in Northwest Territories (CA-NT)

5 numeric limits and guidelines for styrene held for Northwest Territories and the place above it, from 2 instruments, each cited to its instrument, edition, section or page and quoted text. The register was built from 247 instruments. Everything held for Northwest Territories

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For programs: this page as JSON at /api/v1/limits?parameter=styrene&place=CA-NT; 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 Northwest Territories (CA-NT) has no row for styrene. The rows below are from the place above it, which we search too.

Canada (CA): 5 rows

ParameterValueUnitStatisticGovernsApplies whenCite
Styrene0.1mg/kgsoil · guidelineConcentration (mg/kg dry weight) AgriculturalCCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table,…
Styrene5mg/kgsoil · guidelineConcentration (mg/kg dry weight) Residential/ parklandCCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table,…
Styrene50mg/kgsoil · guidelineConcentration (mg/kg dry weight) CommercialCCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table,…
Styrene50mg/kgsoil · guidelineConcentration (mg/kg dry weight) IndustrialCCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table,…
Styrene72µg/Lsurface water · guidelinereceiving water: freshwater
long-term exposure: CCME's long-term guideline		CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life

Not held here: a discharge permit's own limits, and any rule for styrene 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 Northwest Territories (CA-NT) and the place above it, Canada (CA): 12 instruments, for every parameter name matching “styrene”: styrene, styrene oxide, a methyl styrene, methyl 4 styrene, p methyl styrene, methyl styrene mixed isomers, butyl acrylate styrene polymer, divinylbenzene styrene polymer, styrene acrylonitrile san trimer, styrene divinylbenzene copolymer, styrene acrylonitrile san trimer all isomers, styrene acrylonitrile san trimer thna isomer, and 4 more (in the JSON).

  1. 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 — 4 rows here
  2. 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 — 1 row here
10 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. 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
  3. 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
  4. 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
  5. 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
  6. Guideline for Industrial Waste Discharges in the NWT (Government of the Northwest Territories, April 2004) — Schedules I and II · Government of the Northwest Territories (Environmental Protection Service; Environmental Protection Act s. 2.2) · April 2004 (served by GNWT Environment and Climate Change, fetched 2026-10-09) · source sha256 2edfba5ea2a652ce92692d41a4688c823f90be6350adc09ae73c9603ac3efd30 — no row here
  7. 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
  8. 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
  9. 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 — no row here
  10. 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.