{"query":{"parameter":"un ionized ammonia","place":"CA","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA"],"parameter_keys":["name:un-ionized ammonia"],"names_matched":[["un ionized ammonia","name:un-ionized ammonia"]],"match":"exact","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":5,"offset":0,"returned":5,"next_offset":null,"rows":[{"id":"76acd8a2be86f188","parameter":"Un-ionized ammonia","value":"0.50 mg/L expressed as nitrogen (N)","value_num":0.5,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:un-ionized ammonia","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 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)"}},{"id":"36cca51acab0c2e5","parameter":"Un-ionized ammonia","value":"1.00 mg/L expressed as nitrogen (N)","value_num":1,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:un-ionized ammonia","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 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 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)"}},{"id":"fb954db768b05d81","parameter":"Un-ionized ammonia","value":"0.50 mg/L expressed as nitrogen (N)","value_num":0.5,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:un-ionized ammonia","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; 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 2: maximum authorized monthly mean concentration","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 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)"}},{"id":"108fb312fbc24ef1","parameter":"Un-ionized ammonia","value":"1.00 mg/L expressed as nitrogen (N)","value_num":1,"unit":"mg/L","statistic":"instant","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"name:un-ionized ammonia","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; 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 4: maximum authorized concentration in a grab 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 9 Un-ionized ammonia 0.50 mg/L expressed as nitrogen (N) Not applicable 1.00 mg/L expressed as nitrogen (N)"}},{"id":"0daa0ed1e33a6b5a","parameter":"Un-ionized ammonia","value":"less than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚C","value_num":1.25,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","stream":"sanitary","parameter_key":"name:un-ionized ammonia","place":["CA"],"conditions":["stream is sanitary","route is direct","zone not in CA-NT, CA-NU, CA.qc_nl_north_of_54","a wastewater system designed to collect, or collecting in a calendar year, an average daily volume of 100 m3 or more of influent (s. 2(1)); not one on an industrial site whose influent is less than 50% blackwater and greywater (s. 2(4))"],"cite":{"instrument":"ca_wser","title":"Wastewater Systems Effluent Regulations (SOR/2012-139) — s. 6 effluent quality","issuer":"Government of Canada (Fisheries Act; Environment and Climate Change Canada)","edition":"Justice Laws Website, current to 2026-09-21, last amended 2026-06-04","source_url":"https://laws-lois.justice.gc.ca/eng/regulations/SOR-2012-139/FullText.html","source_sha256":"0a60e10f783f7aca672792303dffcca1525133eb34eb32711543cb3cf4bbb955","fetched_at":"2026-10-08","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"s. 6(1)","page":null,"quote":"the maximum concentration of un-ionized ammonia in the effluent is less than 1.25 mg/L, expressed as nitrogen (N), at 15˚C ± 1˚C"}}],"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"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"un ionized ammonia\", 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"},"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"}]}