{"query":{"parameter":"sulfate","place":"CA-BC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-BC","CA"],"parameter_keys":["cas:14808-79-8","cas:7757-82-6","cas:615-50-9","cas:68039-12-3","cas:342573-75-5","cas:24694-40-4","cas:7376-31-0","cas:56633-27-3","cas:60828-92-4","cas:2235-54-3","cas:6369-59-1","cas:39085-66-0","name:chloride + sulfate","cas:19834-02-7","cas:64-67-5","cas:43222-48-6","cas:77-78-1","cas:115-29-7","cas:1031-07-8","cas:20261-61-4","cas:302-01-2","cas:10034-93-2","cas:68649-55-8","cas:32612-48-9","cas:68037-05-8","cas:68891-29-2","cas:27731-61-9","cas:31691-97-1","cas:68585-47-7","cas:55566-30-8","cas:18785-72-3","cas:7446-18-6","cas:72379-24-9","cas:72968-31-1"],"names_matched":[["sulfate","cas:14808-79-8"],["sulfate","cas:7757-82-6"],["1 4 benzenediamine 2 methyl sulfate 1 1","cas:615-50-9"],["1 ethyl 2 8 heptadecenyl 4 5 dihydro 3 2 hydroxyethyl 1h imidazolium ethyl sulfate","cas:68039-12-3"],["1 ethyl 3 methylimidazolium ethyl sulfate","cas:342573-75-5"],["1h benzotriazole sulfate","cas:24694-40-4"],["1h benzotriazole sulfate 1 1","cas:24694-40-4"],["1h imidazolium 1 ethyl 2 8 heptadecenyl 4 5 dihydro 3 2 hydroxyethyl ethyl sulfate salt","cas:68039-12-3"],["2 2 2 nitrilotriethanol sulfate","cas:7376-31-0"],["2 aminoethanol sulfate","cas:56633-27-3"],["2 propanamine sulfate","cas:60828-92-4"],["ammonium lauryl sulfate","cas:2235-54-3"],["benzenediamine 2 methyl sulfate 1 4","cas:6369-59-1"],["butylamine sulfate","cas:39085-66-0"],["chloride sulfate","name:chloride + sulfate"],["cyclohexylammonium sulfate","cas:19834-02-7"],["diethyl sulfate","cas:64-67-5"],["difenzoquat methyl sulfate","cas:43222-48-6"],["dimethyl sulfate","cas:77-78-1"],["endosulfan alpha beta sulfate","cas:115-29-7"],["endosulfan sulfate","cas:1031-07-8"],["ethanol 2 2 2 nitrilotris sulfate 2 1 salt","cas:20261-61-4"],["ethanol 2 2 2 nitrilotris sulfate salt","cas:7376-31-0"],["ethanol 2 amino sulfate salt","cas:56633-27-3"],["hydrazine hydrazine sulfate","cas:302-01-2"],["hydrazine sulfate","cas:10034-93-2"],["hydrazine sulfate 1 1","cas:10034-93-2"],["isopropylamine sulfate","cas:60828-92-4"],["methylbenzene 1 4 diamine sulfate 2","cas:615-50-9"],["polyethylene glycol branched nonylphenyl ether sulfate ammonium salt","cas:68649-55-8"],["polyethylene glycol lauryl ether sulfate ammonium salt","cas:32612-48-9"],["polyethylene glycol mono c6 10 alkyl ether sulfate ammonium salt","cas:68037-05-8"],["polyethylene glycol mono c8 10 alkyl ether sulfate ammonium salt","cas:68891-29-2"],["polyethylene glycol myristyl ether sulfate ammonium salt","cas:27731-61-9"],["sel d ammonium du copolymere d ethylene glycol et du sulfate de nonyl 4 benzene","cas:31691-97-1"],["sel sodique du sulfate de monoalkyle c10 c16","cas:68585-47-7"],["sulfate de diethyle","cas:64-67-5"],["sulfate de dimethyle","cas:77-78-1"],["sulfate de laureth 5 et d ammonium","cas:32612-48-9"],["sulfate de tetrakis hydroxymethyl phosphonium 1 2","cas:55566-30-8"],["sulfate total as so4","cas:18785-72-3"],["tetrakis hydroxymethyl phosphonium sulfate","cas:55566-30-8"],["thallium i sulfate","cas:7446-18-6"],["thallium l sulfate","cas:7446-18-6"],["thallium sulfate","cas:7446-18-6"],["thallium sulfate as thallium","cas:7446-18-6"],["toluene 2 5 diamine sulfate","cas:6369-59-1"],["triethanolamine sulfate","cas:20261-61-4"],["alcohols c8 10 ethoxylated sulfates ammonium salts","cas:68891-29-2","sulfates"],["amines c12 14 tert alkyl ethoxylated sulfates sodium salts","cas:72379-24-9","sulfates"],["amines tallow alkyl ethoxylated sulfates","cas:72968-31-1","sulfates"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":23,"names":["endosulfan I + II","hydrazine","Endosulfan"],"says":"23 rows share a parameter key with a longer name holding \"sulfate\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"sulfate\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":9,"offset":0,"returned":9,"next_offset":null,"rows":[{"id":"c04ab0fe0bac24f2","parameter":"sulfate","value":"1 280 mg/L @ H ≤ 30¹⁶\n2 180 mg/L @ H 31 – 75¹⁶\n3 090 mg/L @ H 76 – 180¹⁶\n4 290 mg/L @ H > 180¹⁶","unit":"mg/L","direction":"max","kind":"limit","medium":"groundwater","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["a site whose water the Contaminated Sites Regulation governs; the standard is met in the site's groundwater or surface water, a minimum 1:10 dilution assumed before discharge to the aquatic receiving environment (Schedule 3.2 note 2(a))","receiving_water in freshwater, marine"],"cite":{"instrument":"ca_bc_csr_water","title":"B.C. Reg. 375/96 Contaminated Sites Regulation — Schedule 3.2 generic numerical water standards, aquatic life (freshwater and marine)","issuer":"Government of British Columbia (Environmental Management Act)","edition":"This consolidation is current to September 15, 2026.","source_url":"https://www.bclaws.gov.bc.ca/civix/document/id/complete/statreg/375_96_00","source_sha256":"f69b12b38ce71f5bad4842242a2390be2eeeef94ac7fcc116d57c4e34d6ffc21","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":20,"quote":null,"note":"16 H is mean water hardness calculated from ‘dissolved’ mineral content – Hardness, mg equivalent CaCO3/L = 2.497 [Ca, mg/L] + 4.118 [Mg, mg/L]. Hardness is for the aquatic receiving environment.","table":"schedule_3_2","column":"AW"}},{"id":"7c3d217ac38b3a5a","parameter":"sulfate","value":"1 000 mg/L","value_num":1000,"unit":"mg/L","direction":"max","kind":"limit","medium":"groundwater","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["Livestock (LW)"],"cite":{"instrument":"ca_bc_csr_water_uses","title":"B.C. Reg. 375/96 Contaminated Sites Regulation — Schedule 3.2 generic numerical water standards, drinking water, irrigation and livestock","issuer":"Government of British Columbia (Environmental Management Act)","edition":"This consolidation is current to September 15, 2026.","source_url":"https://www.bclaws.gov.bc.ca/civix/document/id/complete/statreg/375_96_00","source_sha256":"f69b12b38ce71f5bad4842242a2390be2eeeef94ac7fcc116d57c4e34d6ffc21","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":20,"quote":null,"note":"16 H is mean water hardness calculated from ‘dissolved’ mineral content – Hardness, mg equivalent CaCO3/L = 2.497 [Ca, mg/L] + 4.118 [Mg, mg/L]. Hardness is for the aquatic receiving environment.","table":"schedule_3_2","column":"LW"}},{"id":"80b4d715fdfede3a","parameter":"sulfate","value":"500 mg/L","value_num":500,"unit":"mg/L","direction":"max","kind":"limit","medium":"groundwater","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["Drinking Water (DW)","note 3: Samples obtained from the point of consumption are unfiltered. Heavy metals, metalloids and inorganic ions are expressed as total substance concentrations unless otherwise indicated."],"cite":{"instrument":"ca_bc_csr_water_uses","title":"B.C. Reg. 375/96 Contaminated Sites Regulation — Schedule 3.2 generic numerical water standards, drinking water, irrigation and livestock","issuer":"Government of British Columbia (Environmental Management Act)","edition":"This consolidation is current to September 15, 2026.","source_url":"https://www.bclaws.gov.bc.ca/civix/document/id/complete/statreg/375_96_00","source_sha256":"f69b12b38ce71f5bad4842242a2390be2eeeef94ac7fcc116d57c4e34d6ffc21","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":20,"quote":null,"note":"16 H is mean water hardness calculated from ‘dissolved’ mineral content – Hardness, mg equivalent CaCO3/L = 2.497 [Ca, mg/L] + 4.118 [Mg, mg/L]. Hardness is for the aquatic receiving environment.","table":"schedule_3_2","column":"DW"}},{"id":"cce84dd9beda7c76","parameter":"Sulphate (total)","value":"128","value_num":128,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","condition as printed: EMS_0107 <= 30 | EMS_1107 <= 30"],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 739)","page":null,"quote":"739,Sulphate,Total,EMS_0121,(14808-79-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,EMS_0107 <= 30 | EMS_1107 <= 30,,No Effect,Upper Limit,128,,mg/L"}},{"id":"81b489a62d4dadf1","parameter":"Sulphate (total)","value":"218","value_num":218,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","condition as printed: (!is.na(EMS_0107) & (EMS_0107 > 30 & EMS_0107 <= 75)) | (!is.na(EMS_1107) & (EMS_1107 > 30 & EMS_1107 <= 75))"],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 740)","page":null,"quote":"740,Sulphate,Total,EMS_0121,(14808-79-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,(!is.na(EMS_0107) & (EMS_0107 > 30 & EMS_0107 <= 75)) | (!is.na(EMS_1107) & (EMS_1107 > 30 & EMS_1107 <= 75)),,No Effect,Upper Limit,218,,mg/L"}},{"id":"a911b91ab45a85f7","parameter":"Sulphate (total)","value":"309","value_num":309,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","condition as printed: (!is.na(EMS_0107) & (EMS_0107 > 75 & EMS_0107 <= 180)) | (!is.na(EMS_1107) & (EMS_1107 > 75 & EMS_1107 <= 180))"],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 741)","page":null,"quote":"741,Sulphate,Total,EMS_0121,(14808-79-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,(!is.na(EMS_0107) & (EMS_0107 > 75 & EMS_0107 <= 180)) | (!is.na(EMS_1107) & (EMS_1107 > 75 & EMS_1107 <= 180)),,No Effect,Upper Limit,309,,mg/L"}},{"id":"64d8b18fafaf347b","parameter":"Sulphate (total)","value":"429","value_num":429,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","condition as printed: (!is.na(EMS_0107) & (EMS_0107 > 180 & EMS_0107 <= 250)) | (!is.na(EMS_1107) & (EMS_1107 > 180 & EMS_1107 <= 250))"],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 742)","page":null,"quote":"742,Sulphate,Total,EMS_0121,(14808-79-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,(!is.na(EMS_0107) & (EMS_0107 > 180 & EMS_0107 <= 250)) | (!is.na(EMS_1107) & (EMS_1107 > 180 & EMS_1107 <= 250)),,No Effect,Upper Limit,429,,mg/L"}},{"id":"1df57dc02875df6a","parameter":"Sulphate (total)","value":"429","value_num":429,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:14808-79-8","place":["CA-BC"],"conditions":["receiving_water is freshwater","condition as printed: (!is.na(EMS_0107) & (EMS_0107 > 250)) | (!is.na(EMS_1107) & (EMS_1107 > 250)); The long-term chronic WQG applies to water hardness below 250 mg/L.  When water hardness exceeds this upper bound, a site specific assessment may be required."],"cite":{"instrument":"ca_bc_wqg_aquatic","title":"B.C. Approved Water Quality Guidelines: Aquatic Life — freshwater, marine and estuarine, short-term acute and long-term chronic","issuer":"Government of British Columbia, Ministry of Environment and Parks (Water Protection and Sustainability Branch)","edition":"BC Data Catalogue 'Water Quality Guidelines of B.C.' (all_wqgs.csv), dataset modified 2026-08-20; the same guidelines as the ministry's Guideline Summary PDF, whose host www2.gov.bc.ca refused this machine on 2026-10-09","source_url":"https://catalogue.data.gov.bc.ca/dataset/85d3990a-ec0a-4436-8ebd-150de3ba0747/resource/6f32a85b-a3d9-44c3-9a14-15175eba25b6/download/all_wqgs.csv","source_sha256":"1673409ad5c17fa364589bb20f830055bc21d6e765a40681f06b510f6614f26a","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Aquatic Life - Freshwater · Long-term chronic · Approved (UniqueID 888)","page":null,"quote":"888,Sulphate,Total,EMS_0121,(14808-79-8),Aquatic Life - Freshwater,Water,Long-term chronic,30,5,mean,,,(!is.na(EMS_0107) & (EMS_0107 > 250)) | (!is.na(EMS_1107) & (EMS_1107 > 250)),\"The long-term chronic WQG applies to water hardness below 250 mg/L. When water hardness exceeds this upper bound, a site specific assessment may be required.\",No Effect,Upper Limit,429,,mg/L"}},{"id":"9531f7b4f2b8dbce","parameter":"Sulphate","value":"≤ 500","value_num":500,"unit":"mg/L","direction":"max","kind":"objective","medium":"drinking_water","level":"national","parameter_key":"cas:14808-79-8","place":["CA"],"conditions":["drinking water (a guideline, not a regulation: each province and territory decides whether, and how, it binds there)"],"cite":{"instrument":"ca_hc_gcdwq","title":"Health Canada — Guidelines for Canadian Drinking Water Quality, Summary Tables 1-3 (microbiological, chemical and physical, radiological)","issuer":"Health Canada, with the Federal-Provincial-Territorial Committee on Drinking Water","edition":"page modified 2026-01-21 (dcterms.modified; 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 2, Chemical and Physical Parameters (Sulphate, published or reaffirmed 2025)","page":null,"quote":"I Sulphate (2025) (In: Operational parameters) None AO: ≤ 500"}}],"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-BC"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"sulfate\", 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-BC"},"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"}]}