{"query":{"parameter":"chlorine","place":"CA-SK","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-SK","CA"],"parameter_keys":["cas:7782-50-5","name:chlorine,","cas:506-77-4","name:chlorine demand","cas:10049-04-4","name:chlorine, reactive species","cas:7790-91-2","name:free available chlorine","name:free residual chlorine","name:total chlorine residual","cas:88-73-3","cas:100-00-5","name:chlor, freies","name:chlordioxid und andere oxidantien","name:volatile halogenated hydrocarbons","cas:121-73-3","name:cloro attivo","name:cloro attivo libero","name:cloro residuo","cas:7647-01-0","name:chlore residuel total","cas:108171-26-2"],"names_matched":[["chlorine","cas:7782-50-5"],["chlorine","name:chlorine,"],["chlorine cyanide","cas:506-77-4"],["chlorine demand","name:chlorine demand"],["chlorine dioxide","cas:10049-04-4"],["chlorine reactive species","name:chlorine, reactive species"],["chlorine trifluoride","cas:7790-91-2"],["free available chlorine","name:free available chlorine"],["free residual chlorine","name:free residual chlorine"],["total chlorine residual","name:total chlorine residual"],["1 chlor 2 nitrobenzol","cas:88-73-3","chlor"],["1 chlor 4 nitrobenzol","cas:100-00-5","chlor"],["chlor freies","name:chlor, freies","chlor"],["chlordioxid und andere oxidantien angegeben als chlor","name:chlordioxid und andere oxidantien","chlor"],["lhkw summe aus trichlorethen tetrachlorethen 1 1 1 trichlorethan dichlormethan gerechnet als chlor","name:volatile halogenated hydrocarbons","chlor"],["1 cloro 2 nitrobenzene","cas:88-73-3","cloro"],["1 cloro 3 nitrobenzene","cas:121-73-3","cloro"],["1 cloro 4 nitrobenzene","cas:100-00-5","cloro"],["cloro attivo","name:cloro attivo","cloro"],["cloro attivo libero","name:cloro attivo libero","cloro"],["cloro residual libre","name:free residual chlorine","cloro"],["cloro residuo","name:cloro residuo","cloro"],["composti inorganici del cloro sotto forma di gas o vapore esclusi clorocianuro e fosgene espressi come acido cloridrico","cas:7647-01-0","cloro"],["chlore dioxyde de","cas:10049-04-4","chlore"],["chlore residuel total","name:chlore residuel total","chlore"],["chlore trifluorure de","cas:7790-91-2","chlore"],["paraffines chlorees c12 60 chlore","cas:108171-26-2","chlore"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order; rows for a marine receiving water after the rest, as none of the place's own rows names a marine, salt, estuarine, coastal or ocean water"},"total":4,"offset":0,"returned":4,"next_offset":null,"rows":[{"id":"7f70c74a1a9d8e90","parameter":"total chlorine residual","value":"0.02 milligrams per litre of total chlorine residual","value_num":0.02,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"regional","route":"direct","stream":"sanitary","parameter_key":"cas:7782-50-5","place":["CA-SK"],"conditions":["stream is sanitary","route is direct","the sewage treatment facility discharges or will discharge to water frequented by fish (s. 11(3))","if chlorine or one of its compounds was used in the treatment of wastewater"],"cite":{"instrument":"ca_sk_wwsw_regs","title":"The Waterworks and Sewage Works Regulations (Saskatchewan, c. E-10.22 Reg 3) — s. 11 sewage treatment effluent","issuer":"Government of Saskatchewan (The Environmental Management and Protection Act, 2010; Water Security Agency)","edition":"consolidation of c. E-10.22 Reg 3 (effective June 1, 2015) as amended by SR 43/2020 and 5/2026 (not official; Publications Saskatchewan)","source_url":"https://publications.saskatchewan.ca/api/v1/products/73309/formats/81968/download","source_sha256":"34342581996acd792074548698b6ab96cf622b9a7776ab830c6cd7d533ae3ab2","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"s. 11(3)(a)","page":12,"quote":"(3) If a sewage treatment facility in a sewage works discharges or will discharge to water frequented by fish, the permittee shall ensure that all sewage treatment facilities in the sewage works include a treatment process that produces effluent: (a) that has, on average as set out in the permittee’s permit, no more than the following: (i) 30 milligrams per litre of BOD ; 5 (ii) 25 milligrams per litre of CBOD ; 5 (iii) 25 milligrams per litre of total suspended solids; (iv) if chlorine or one of its compounds was used in the treatment of wastewater, 0.02 milligrams per litre of total chlorine residual;"}},{"id":"62188e2898dd7372","parameter":"Total residual chlorine","value":"0.02 mg/L","value_num":0.02,"unit":"mg/L","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","stream":"sanitary","parameter_key":"cas:7782-50-5","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))","if chlorine, or one of its compounds, was used in the treatment of wastewater"],"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":"(c) the average concentration of total residual chlorine in the effluent did not exceed 0.02 mg/L, if chlorine, or one of its compounds, was used in the treatment of wastewater."}},{"id":"4c2f172adcee43f8","parameter":"Chlorine, Reactive Species","value":"0.5","value_num":0.5,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"name:chlorine, reactive species","place":["CA"],"conditions":["receiving_water is freshwater","long-term exposure: CCME's long-term guideline"],"cite":{"instrument":"ca_ccme_wqg_aquatic","title":"CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table (as served 2026-09-24; each guideline carries its own year)","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau_vie_aquatique","column":"douce_long_terme"}},{"id":"4f24065b2befc846","parameter":"Chlorine, Reactive Species","value":"0.5","value_num":0.5,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"name:chlorine, reactive species","place":["CA"],"conditions":["receiving_water is marine","long-term exposure: CCME's long-term guideline"],"cite":{"instrument":"ca_ccme_wqg_aquatic","title":"CCME Canadian Water Quality Guidelines for the Protection of Aquatic Life — freshwater and marine, short and long term","issuer":"Canadian Council of Ministers of the Environment (CCME)","edition":"Summary Table (as served 2026-09-24; each guideline carries its own year)","source_url":"https://ccme.ca/en/results/176,177,178,1,2,287,3,4,5,6,7,179,8,174,9,10,12,180,14,181,182,183,15,16,17,300,19,20,21,289,242,23,24,295,27,28,194,288,59,60,61,63,62,184,65,66,67,69,70,71,72,73,74,80,81,216,291,30,31,32,41,47,42,48,113,114,169,171,170,185,110,83,77,78,283,79,109,104,52,53,290,85,76,86,100,87,88,89,234,91,154,93,94,96,99,186,187,97,102,112,292,40,119,125,293,121,188,122,123,124,126,127,129,131,239,233,189,135,130,133,136,137,138,107,29,297,103,51,235,190,139,140,141,143,144,146,147,148,39,58,284,161,302,303,162,191,294,163,164,165,167,168,172,173,175,101,192,193,196,197,198,199,201,217,202,203,204,207,218,208,209,115,36,37,38,45,299,106,56,57,211,212,213,214,215,221,222,108,151,236,33,34,35,43,44,298,55,105,54,152,223,153,219,225,226,296,229/ch/1,2,3,4/csv","source_sha256":"f484a5f2a2dfcb5a4257763c853fc8dc810788cec54c75355b30ec194e2f7499","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":null,"page":null,"quote":null,"table":"eau_vie_aquatique","column":"marine_long_terme"}}],"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-SK"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chlorine\", 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-SK"},"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"}]}