{"query":{"parameter":"pfoa ion","place":"US-SC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-SC","US"],"parameter_keys":["cas:45285-51-6","cas:3825-26-1","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"],"names_matched":[["pfoa ion","cas:45285-51-6"],["ammonium perfluorooctanoate","cas:3825-26-1","perfluorooctanoate"],["perfluorooctanoic acid pfoa","cas:335-67-1","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:somma di pfas","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:somme des substances alkylees per et polyfluorees","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:sum of pfas","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:sum of the concentration of 25 per- and polyfluoroalkyl substances","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:summe pfas-20","perfluorooctanoic acid pfoa"],["perfluorooctanoic acid pfoa","name:summe pfas-4","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","cas:335-67-1","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:somma di pfas","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:somme des substances alkylees per et polyfluorees","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:sum of pfas","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:sum of the concentration of 25 per- and polyfluoroalkyl substances","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:summe pfas-20","perfluorooctanoic acid pfoa"],["pfas perfluorooctanoic acid pfoa","name:summe pfas-4","perfluorooctanoic acid pfoa"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":1,"names":["PFOA"],"says":"1 rows share a parameter key with a longer name holding \"pfoa ion\" but are printed under names without these words (that key is wider than the name): not sent. Ask for one by its name or CAS number."}},"total":17,"offset":0,"returned":17,"next_offset":null,"rows":[{"id":"46a9119c545a06bf","parameter":"Perfluorooctanoic Acid (PFOA)","value":"3,100","value_num":3100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:45285-51-6","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","Freshwater CMC (acute): criterion maximum concentration, acute"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-aquatic-life-criteria-table","source_sha256":"be6b429558db9852c3456eb22c17046aa1a3335ee89e702e8afb793f9b5b25ec","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Aquatic Life Criteria table","page":null,"quote":"Perfluorooctanoic Acid (PFOA) 45285-51-6; 335-67-1; 3825-26-1 3,100 100 in water 1.18 mg/kg Wet Weight in Invertebrate Whole-Body Tissue 6.49 mg/kg Wet Weight Fish Whole-Body Tissue 0.133 mg/kg Wet Weight Fish Muscle Tissue 7000 — 2024"}},{"id":"1b48d3cd83b5d5f1","parameter":"Perfluorooctanoic Acid (PFOA)","value":"100","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:45285-51-6","place":["US"],"conditions":["EPA's recommendation under Clean Water Act § 304(a): 'State and Tribal governments may use these criteria or use them as guidance in developing their own' — it binds a water once the state adopts it for the water's designated use","receiving_water is freshwater","Freshwater CCC (chronic): criterion continuous concentration, chronic"],"cite":{"instrument":"us_nrwqc_aquatic","title":"EPA National Recommended Water Quality Criteria — Aquatic Life Criteria Table (freshwater and saltwater CMC/CCC)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table, last updated on June 9, 2026 (fetched 2026-10-09); 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