Numeric environmental limits and guidelines held for Canada: 11 instruments of its own, every row cited to its source. Each parameter opens its rows, with what was searched.
Ask your AI assistant and get the cite back: add Passage Data to Claude, ChatGPT, Cursor, VS Code or Microsoft 365 Copilot. Free, no key.
The address to add: https://passage-data.com/mcp
Claude: Customize → Connectors → + Add → Add custom connector; paste the address; choose No sign in. The Free plan holds one custom connector.
ChatGPT (Plus, Pro, Business, Enterprise, Edu, on the web): Settings → Apps → Advanced settings → turn on Developer mode; then Create app, paste the address, no authentication.
Cursor: Add to Cursor(opens Cursor, which asks you to confirm)
VS Code (GitHub Copilot agent mode): Add to VS Code(opens VS Code, which asks you to confirm). On a work account (Copilot Business or Enterprise), your admin decides which MCP servers run; if this one doesn't, ask them to allow https://passage-data.com/mcp.
Microsoft 365 Copilot: someone in your IT who builds agents adds the address in Copilot Studio (the agent's Tools → Add a tool → New tool → Model Context Protocol; authentication None), then publishes the agent to Teams and Microsoft 365 Copilot.
Claude Code: claude mcp add --transport http passage-data https://passage-data.com/mcp
Then ask it, for example: “Which environmental limits apply in Canada? Cite each one.”
For programs: this page as JSON at /api/v1/sources?place=CA; the same at https://passage-data.com/mcp, a remote MCP server (tool list_sources). llms.txt · OpenAPI
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 · Canada (CA) · 9 rows · source
CCME — Soil Quality Guidelines for the Protection of Environmental and Human Health (Summary Table, as served 2026-09-24) · Summary Table · Canada (CA) · 383 rows · source
CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term · Summary Table (as served 2026-09-24; each guideline carries its own year) · Canada (CA) · 181 rows · source
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 · Justice Laws Website, current to 2026-09-21, last amended 2024-11-27 · Canada (CA) · 0 rows · source
Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09) · Objective value · Canada (CA) · 1 row · source
Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations · Justice Laws Website, current to 2026-09-21 · Canada (CA) · 53 rows · source
Meat and Poultry Products Plant Liquid Effluent Regulations (C.R.C., c. 818) — Schedule I authorized deposits · Justice Laws Website, current to 2026-09-21 · Canada (CA) · 25 rows · source
Potato Processing Plant Liquid Effluent Regulations (C.R.C., c. 829) — Schedule I authorized deposits · Justice Laws Website, current to 2026-09-21 · Canada (CA) · 9 rows · source
Pulp and Paper Effluent Regulations (SOR/92-269) — s. 14 maximum BOD and suspended solids · Justice Laws Website, current to 2026-09-21 · Canada (CA) · 4 rows · source
Petroleum Refinery Liquid Effluent Regulations (C.R.C., c. 828) — Schedule I authorized deposits · Justice Laws Website, current to 2026-09-21 · Canada (CA) · 16 rows · source
Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality · Justice Laws Website, current to 2026-09-21, last amended 2026-06-04 · Canada (CA) · 4 rows · source
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.