{"query":{"parameter":"chlordane","place":"US-UT","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-UT","US"],"parameter_keys":["cas:12789-03-6","cas:57-74-9","cas:5103-71-9","cas:5103-74-2","cas:5566-34-7","cas:39765-80-5"],"names_matched":[["chlordane","cas:12789-03-6"],["chlordane","cas:57-74-9"],["alpha chlordane","cas:5103-71-9"],["chlordane alpha","cas:5103-71-9"],["chlordane alpha isomer","cas:5103-71-9"],["chlordane gamma","cas:5103-74-2"],["chlordane gamma isomer","cas:5103-74-2"],["cis chlordane","cas:5103-71-9"],["gamma chlordane","cas:5566-34-7"],["trans chlordane","cas:5103-74-2"],["trans nonachlor chlordane component","cas:39765-80-5"]],"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":32,"offset":0,"returned":32,"next_offset":null,"rows":[{"id":"d36d4057cef54592","parameter":"Chlordane","value":"0.0043","value_num":0.0043,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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 Table 2.14.2","page":40,"quote":"Chlordane 4 Day Average 0.0043 0.0043 0.0043 0.0043"}},{"id":"89bd491c8a5c30a9","parameter":"Chlordane","value":"0.0043","value_num":0.0043,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"Chlordane 4 Day Average 0.0043 0.0043 0.0043 0.0043"}},{"id":"280509cdb38f226b","parameter":"Chlordane","value":"0.0043","value_num":0.0043,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","place":["US-UT"],"conditions":["receiving_water is freshwater","water with the beneficial use Class 3C: nongame fish and other 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 Table 2.14.2","page":40,"quote":"Chlordane 4 Day Average 0.0043 0.0043 0.0043 0.0043"}},{"id":"1e53d96f4da902ec","parameter":"Chlordane","value":"0.0043","value_num":0.0043,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"Chlordane 4 Day Average 0.0043 0.0043 0.0043 0.0043"}},{"id":"eb414b1c9982d5d1","parameter":"Chlordane","value":"1.2","value_num":1.2,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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. 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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"1 Hour Average 1.2 1.2 1.2 1.2"}},{"id":"5dafa5e79293ec0f","parameter":"Chlordane","value":"1.2","value_num":1.2,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"1 Hour Average 1.2 1.2 1.2 1.2"}},{"id":"94ce20e85c8bebee","parameter":"Chlordane","value":"1.2","value_num":1.2,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","place":["US-UT"],"conditions":["receiving_water is freshwater","water with the beneficial use Class 3C: nongame fish and other 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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"1 Hour Average 1.2 1.2 1.2 1.2"}},{"id":"029962047fb89871","parameter":"Chlordane","value":"1.2","value_num":1.2,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.2","page":40,"quote":"1 Hour Average 1.2 1.2 1.2 1.2"}},{"id":"40681b5ab11ebeef","parameter":"Chlordane","value":"0.00031 B","value_num":0.00031,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","place":["US-UT"],"conditions":["water with the beneficial use Class 1C: domestic water supply"],"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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.6","page":47,"quote":"Chlordane 57-74-9 0.00031 B 0.00032 B"}},{"id":"d29068930cba526d","parameter":"Chlordane","value":"0.00032 B","value_num":0.00032,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Utah Admin. Code R317-2-14 Table 2.14.6","page":47,"quote":"Chlordane 57-74-9 0.00031 B 0.00032 B"}},{"id":"37cb3ab77b3c5112","parameter":"Chlordane (technical mixture)","value":"1.7","value_num":1.7,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:12789-03-6","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"a24e506877565529","parameter":"Chlordane (technical mixture)","value":"7.7","value_num":7.7,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:12789-03-6","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"6d9227b74ed93e98","parameter":"Chlordane (technical mixture)","value":"0.0027","value_num":0.0027,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:12789-03-6","place":["US"],"conditions":["Protection of Groundwater SSLs: Risk-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"73f0952917135491","parameter":"Chlordane (technical mixture)","value":"0.27","value_num":0.27,"unit":"mg/kg","direction":"max","kind":"printed_reference","medium":"soil","level":"national","parameter_key":"cas:12789-03-6","place":["US"],"conditions":["Protection of Groundwater SSLs: MCL-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"mcl"}},{"id":"f9723c1177e85a1c","parameter":"Chlordane (technical mixture)","value":"0.02","value_num":0.02,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:12789-03-6","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"3523afb6e4455785","parameter":"Chlordane","value":"0.03","value_num":0.03,"unit":"mg/L","direction":"max","kind":"threshold","medium":"leachate","level":"national","parameter_key":"cas:57-74-9","place":["US"],"conditions":["(a) A solid waste (except manufactured gas plant waste) exhibits the characteristic of toxicity if, using the Toxicity Characteristic Leaching Procedure, test Method 1311 in “Test Methods for Evaluating Solid Waste, Physical/Chemical Methods,” EPA Publication SW-846, as incorporated by reference in § 260.11 of this chapter, the extract from a representative sample of the waste contains any of the contaminants listed in table 1 at the concentration equal to or greater than the respective value given in that table. Where the waste contains less than 0.5 percent filterable solids, the waste itself, after filtering using the methodology outlined in Method 1311, is considered to be the extract for the purpose of this section."],"cite":{"instrument":"us_40cfr261_24","title":"40 CFR 261.24 — Toxicity characteristic: Table 1, maximum concentration of contaminants for the toxicity characteristic (TCLP regulatory levels)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 261.24 as of 2026-10-13 (title 40 up to date as of that day)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=261&section=261.24","source_sha256":"3a1ec9b0d3051c70e471e359275657b0fa6d98e80927d2217e82b2dbbca60961","fetched_at":"2026-10-15","section":"40 CFR 261.24, Table 1","page":null,"quote":"D020 Chlordane 57-74-9 0.03"}},{"id":"9fa51f14f57dfb0c","parameter":"Chlordane","value":"0.002","value_num":0.002,"unit":"mg/l","direction":"max","kind":"limit","medium":"drinking_water","level":"national","parameter_key":"cas:57-74-9","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","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"141.61","page":null,"quote":null,"column":"mcl"}},{"id":"763189952be9728e","parameter":"Chlordane","value":"2.4","value_num":2.4,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:57-74-9","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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