{"query":{"parameter":"perfluorooctanoic acid","place":"CA-BC","medium":null,"statistic":null,"kind":null},"searched":{"places":["CA-BC","CA"],"parameter_keys":["cas:335-67-1","name:somma di pfas","name:somme des substances alkylees per et polyfluorees","name:sum of pfas","name:sum of the concentration of 25 per- and polyfluoroalkyl substances","name:summe pfas-20","name:summe pfas-4","cas:45285-51-6"],"names_matched":[["perfluorooctanoic acid","cas:335-67-1"],["perfluorooctanoic acid","name:somma di pfas"],["perfluorooctanoic acid","name:somme des substances alkylees per et polyfluorees"],["perfluorooctanoic acid","name:sum of pfas"],["perfluorooctanoic acid","name:sum of the concentration of 25 per- and polyfluoroalkyl substances"],["perfluorooctanoic acid","name:summe pfas-20"],["perfluorooctanoic acid","name:summe pfas-4"],["perfluorooctanoic acid pfoa","cas:45285-51-6"],["pfoa ion","cas:45285-51-6","pfoa"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":2,"offset":0,"returned":2,"next_offset":null,"rows":[{"id":"0df9db0b403bfb9a","parameter":"perfluorooctanoic acid [PFOA]","value":"0.2","value_num":0.2,"unit":"µg/L","direction":"max","kind":"limit","medium":"groundwater","level":"regional","parameter_key":"cas:335-67-1","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":18,"quote":null,"note":"42 Standards apply to a site used for an industrial or commercial purpose or activity set out in Schedule 2 as (a) item A4, (b) item C3, (c) item E11, or (d) item G1.","table":"schedule_3_2","column":"DW"}},{"id":"0ca8771ba4d8c398","parameter":"sum of the concentration of 25 per- and polyfluoroalkyl substances (PFAS)","value":"30","value_num":30,"unit":"ng/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","sum_of":{"members":["PFBA","PFNA","PFPeS","6:2 FTS","PFMBA","PFPeA","PFDA","PFHxS","8:2 FTS","NFDHA","PFHxA","PFUnA","PFHpS","HFPO-DA","9Cl-PF3ONS","PFHpA","PFDoA","PFOS","ADONA","11Cl-PF3OUdS","PFOA","PFBS","4:2 FTS","PFMPA","PFEESA"],"says":"This limit binds the sum of the 25 substances the instrument lists (members, as printed), not any one of them alone."},"parameter_key":"name:sum of the concentration of 25 per- and polyfluoroalkyl substances","place":["CA"],"conditions":[],"cite":{"instrument":"ca_hc_pfas","title":"Health Canada, Objective for Canadian drinking water quality — per- and polyfluoroalkyl substances (published 2024-08-09)","issuer":"Health Canada","edition":"Objective value","source_url":"https://www.canada.ca/en/health-canada/services/publications/healthy-living/objective-drinking-water-quality-per-polyfluoroalkyl-substances.html","source_sha256":"32a42a0d382cdd90729dd9750f47889782bd00d4af8dfd34f2b9aaf6f2678c6c","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"Objective value","page":null,"quote":"an objective of 30 ng/L is established for the sum of the concentration of 25 per- and polyfluoroalkyl substances (PFAS) detected in drinking water","column":"valeur"}}],"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: \"perfluorooctanoic acid\", 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"}]}