{"query":{"parameter":"radium 226","place":"CA-NT","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-NT","CA"],"parameter_keys":["cas:13982-63-3","name:radium 226","name:radium-226","name:combined radium-226 and radium-228","name:gross alpha particle activity","name:gross alpha particles including radium-226,but not radon or uranium","name:radioactive substances","name:radium-226 and -228","cas:7440-14-4","name:radium 226 and 228 combined","name:radium 226 and radium 228","name:radium-226 and radium-228","name:radium 226 + radium 228","name:radium-226 + radium-228"],"names_matched":[["radium 226","cas:13982-63-3"],["radium 226","name:radium 226"],["radium 226","name:radium-226"],["combined radium 226 and radium 228","name:combined radium-226 and radium-228"],["gross alpha particle activity including radium 226 but excluding radon and uranium","name:gross alpha particle activity"],["gross alpha particle activity including radium 226 excluding radon and uranium","name:gross alpha particle activity"],["gross alpha particles including radium 226 but not radon or uranium","name:gross alpha particles including radium-226,but not radon or uranium"],["radioactive substances combined radium 226 and 228","name:radioactive substances"],["radioactive substances gross alpha particle activity including radium 226 but excluding radon and uranium","name:radioactive substances"],["radium 226 and 228","name:radium-226 and -228"],["radium 226 and 228 combined","cas:7440-14-4"],["radium 226 and 228 combined","name:radium 226 and 228 combined"],["radium 226 and 228 combined","name:radium-226 and -228"],["radium 226 and radium 228","name:radium 226 and radium 228"],["radium 226 and radium 228","name:radium-226 and radium-228"],["radium 226 and radium 228 combined","name:radium 226 and radium 228"],["radium 226 and radium 228 combined","name:radium-226 and radium-228"],["radium 226 radium 228","name:radium 226 + radium 228"],["radium 226 radium 228","name:radium-226 + radium-228"],["radium 226 radium 228 combined dissolved","name:radium 226 + radium 228"],["radium 226 radium 228 combined dissolved","name:radium-226 + radium-228"],["radium 226 radium 228 combined total","name:radium 226 + radium 228"],["radium 226 radium 228 combined total","name:radium-226 + radium-228"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":7,"offset":0,"returned":7,"next_offset":null,"rows":[{"id":"30d0ee6ab06c3dfd","parameter":"Radium 226","value":"0.37 Bq/L","value_num":0.37,"unit":"Bq/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:13982-63-3","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 1 — Column 2: maximum authorized monthly mean concentration","page":null,"quote":"6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L"}},{"id":"e651f0eb237c3b21","parameter":"Radium 226","value":"0.74 Bq/L","value_num":0.74,"unit":"Bq/L","statistic":"composite","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:13982-63-3","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","a mine to which the Regulations apply for the first time on or after June 1, 2021, or a recognized closed mine that returns to commercial operation on or after that day (s. 4(1)(a)(i))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; 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Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 1 — Column 4: maximum authorized concentration in a grab sample","page":null,"quote":"6 Zinc 0.40 mg/L 0.60 mg/L 0.80 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L"}},{"id":"3a7e31349d770dbe","parameter":"Radium 226","value":"0.37 Bq/L","value_num":0.37,"unit":"Bq/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:13982-63-3","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","any other mine (s. 4(1)(a)(ii))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; 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Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2002-222/FullText.html","source_sha256":"2c6e0151d3776378f73df4868ca98052882ee81faf9738bbeba6f5d544b648fe","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Schedule 4, Table 2 — Column 3: maximum authorized concentration in a composite sample","page":null,"quote":"6 Zinc 0.50 mg/L 0.75 mg/L 1.00 mg/L 7 Suspended Solids 15.00 mg/L 22.50 mg/L 30.00 mg/L 8 Radium 226 0.37 Bq/L 0.74 Bq/L 1.11 Bq/L"}},{"id":"2ea6265f00e83b1c","parameter":"Radium 226","value":"1.11 Bq/L","value_num":1.11,"unit":"Bq/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:13982-63-3","place":["CA"],"conditions":["cites is MDMER","route is direct","a metal mine (or, since June 1, 2018, a diamond mine) whose final discharge points deposit more than 50 m3 of effluent per day (s. 2(1))","any other mine (s. 4(1)(a)(ii))"],"cite":{"instrument":"ca_mdmer","title":"Metal and Diamond Mining Effluent Regulations (SOR/2002-222) — Schedule 4, maximum authorized concentrations","issuer":"Government of Canada (Fisheries Act; 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issued 2014-10-22): Tables 1-3 as the browser pane rendered them on 2026-10-15","source_url":"https://www.canada.ca/en/health-canada/services/environmental-workplace-health/reports-publications/water-quality/guidelines-canadian-drinking-water-quality-summary-table.html","source_sha256":"9451ad8bfa566c0625ae4fcb362272cbb0e20040c548540f362488118c300b89","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Table 3, Radiological Parameters (published 2025)","page":null,"quote":"Radium-226 (2025) 5 Naturally occurring"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"CA-NT"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"radium 226\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"CA-NT"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}