{"query":{"parameter":"toxaphene","place":"US-UT","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-UT","US"],"parameter_keys":["cas:8001-35-2","name:toxaphene*","name:toxaphene, weathered"],"names_matched":[["toxaphene","cas:8001-35-2"],["toxaphene","name:toxaphene*"],["toxaphene weathered","name:toxaphene, weathered"]],"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":27,"offset":0,"returned":27,"next_offset":null,"rows":[{"id":"3874b2aaf8ce1c6a","parameter":"Toxaphene","value":"0.0002","value_num":0.0002,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:8001-35-2","place":["US-UT"],"conditions":["receiving_water is freshwater","water with the beneficial use Class 3A: cold water species of game fish and other cold water aquatic life (R317-2-6; uses by water in R317-2-13)"],"cite":{"instrument":"us_ut_wqs","title":"Utah Admin. 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Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. 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Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":41,"quote":"1 Hour Average 0.73 0.73 0.73 0.73"}},{"id":"d88bbdafefe547cc","parameter":"Toxaphene","value":"0.73","value_num":0.73,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:8001-35-2","place":["US-UT"],"conditions":["receiving_water is freshwater","water with the beneficial use Class 3B: warm water species of game fish and other warm water aquatic life (R317-2-6; uses by water in R317-2-13)"],"cite":{"instrument":"us_ut_wqs","title":"Utah Admin. Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. 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Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":41,"quote":"1 Hour Average 0.73 0.73 0.73 0.73"}},{"id":"3496aa8cd4d6b12f","parameter":"Toxaphene","value":"0.73","value_num":0.73,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:8001-35-2","place":["US-UT"],"conditions":["receiving_water is freshwater","water with the beneficial use Class 3D: waterfowl, shore birds and other water-oriented wildlife (R317-2-6; uses by water in R317-2-13)"],"cite":{"instrument":"us_ut_wqs","title":"Utah Admin. Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. 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Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. Code R317-2-14 Table 2.14.6","page":47,"quote":"Toxaphene 8001-35-2 0.00070 B 0.00071 B"}},{"id":"0aebbbd5b567bc14","parameter":"Toxaphene","value":"0.00071 B","value_num":0.00071,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:8001-35-2","place":["US-UT"],"conditions":["water with an aquatic wildlife beneficial use, Class 3A, 3B, 3C or 3D"],"cite":{"instrument":"us_ut_wqs","title":"Utah Admin. Code R317-2-14 numeric criteria: Table 2.14.2 aquatic wildlife (Classes 3A-3D, 5) and Table 2.14.6 human health","issuer":"State of Utah, Department of Environmental Quality, Division of Water Quality (Water Quality Board)","edition":"R317-2 Standards of Quality for Waters of the State as US EPA posts it (Utah DEQ's Word file, PDF of September 24, 2025)","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/utwqs.pdf","source_sha256":"ecd9919716fba76ef049e55c942f1387f9a8ec133cd140000105b0554af46a38","fetched_at":"2026-10-14","section":"Utah Admin. Code R317-2-14 Table 2.14.6","page":47,"quote":"Toxaphene 8001-35-2 0.00070 B 0.00071 B"}},{"id":"22ce2f80b472aa25","parameter":"Toxaphene","value":"0.003","value_num":0.003,"unit":"mg/l","direction":"max","kind":"limit","medium":"drinking_water","level":"national","parameter_key":"cas:8001-35-2","place":["US"],"conditions":["40 CFR 141.2: Maximum contaminant level means the maximum permissible level of a contaminant in water which is delivered to any user of a public water system."],"cite":{"instrument":"us_npdwr","title":"40 CFR Part 141 — National Primary Drinking Water Regulations (eCFR, as of 2026-08-01)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=141","source_sha256":"bd534eb2d8af38e141e1cd6236134a638298fbf14791b30279eeb47d815d7767","fetched_at":"2026-08-29","section":"141.61","page":null,"quote":null,"column":"mcl"}},{"id":"964f2f5f52c9115b","parameter":"Toxaphene","value":"0.73","value_num":0.73,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:8001-35-2","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); 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