{"query":{"parameter":"sulphide","place":"CA-SK","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-SK","CA"],"parameter_keys":["name:sulphide","cas:7783-06-4","name:hydrogen sulphide","name:sulphide - total","name:sulphide – total"],"names_matched":[["sulphide","name:sulphide"],["hydrogen sulphide","cas:7783-06-4"],["hydrogen sulphide","name:hydrogen sulphide"],["sulphide as h2s","name:hydrogen sulphide"],["sulphide total","name:sulphide - total"],["sulphide total","name:sulphide – total"],["sulphide total as s","name:sulphide - total"],["sulphide total as s","name:sulphide – total"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":3,"names":["Sulfide"],"says":"3 rows share a parameter key with a longer name holding \"sulphide\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"sulphide\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":3,"offset":0,"returned":3,"next_offset":null,"rows":[{"id":"237fb91c4f59ba54","parameter":"Sulphide - Total (as S)","value":"0.002","value_num":0.002,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:sulphide - total","place":["CA-SK"],"conditions":[],"cite":{"instrument":"ca_sk_seqg_aquatic","title":"Saskatchewan Environmental Quality Guidelines — surface water, aquatic life","issuer":"Government of Saskatchewan, Ministry of Environment","edition":"the SEQG portal's data feed (environment-quality-guides.saskatchewan.ca), Last-Modified 2026-10-09 22:00 GMT","source_url":"https://seqaprod.blob.core.windows.net/seqaproddataverse/chemical_classification.txt","source_sha256":"f6cc81ebe0ec55910488481c104733b336f8c92cb09525356111de2e422d8987","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Surface Water · Aquatic Life (Surface Water) · General and Inorganic Parameters","page":null,"quote":"{\"classification\":[\"General and Inorganic Parameters\"],\"chemicalName\":\"Sulphide - Total (as S)\",\"landUse\":\"Natural Area\",\"media\":\"Surface Water\",\"subMedia\":\"NA\",\"parameter\":\"Aquatic Life (Surface Water)\",\"numeric\":\"0.002\",\"unitsOfMeasure\":\"mg/L\",\"dataSource\":\"(i)\",\"chemicalId\":\"ee87ae6e-56ec-ee11-904d-0022483bc7bd\"}"}},{"id":"072cc21a71777063","parameter":"Sulphide","value":"≤ 0.05","value_num":0.05,"unit":"mg/L","direction":"max","kind":"objective","medium":"drinking_water","level":"national","parameter_key":"name:sulphide","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 (Sulphide, published or reaffirmed 1992)","page":null,"quote":"I Sulphide (1992) None AO: ≤ 0.05"}},{"id":"d7412d811533f47d","parameter":"Hydrogen Sulphide","value":"≤ 0.05","value_num":0.05,"unit":"mg/L","direction":"max","kind":"objective","medium":"drinking_water","level":"national","parameter_key":"name:hydrogen sulphide","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 (Hydrogen Sulphide, published or reaffirmed 2025)","page":null,"quote":"I Hydrogen Sulphide (2025) (In: Operational parameters) None AO: ≤ 0.05"}}],"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: \"sulphide\", 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"}]}