{"query":{"parameter":"chlordane technical","place":"US-WY","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-WY","US"],"parameter_keys":["cas:12789-03-6","cas:5103-71-9","cas:57-74-9","cas:5103-74-2","cas:5566-34-7","cas:39765-80-5"],"names_matched":[["chlordane technical","cas:12789-03-6"],["alpha chlordane","cas:5103-71-9","chlordane"],["chlordane","cas:57-74-9","chlordane"],["chlordane alpha","cas:5103-71-9","chlordane"],["chlordane alpha isomer","cas:5103-71-9","chlordane"],["chlordane cis trans","cas:57-74-9","chlordane"],["chlordane gamma","cas:5103-74-2","chlordane"],["chlordane gamma isomer","cas:5103-74-2","chlordane"],["cis chlordane","cas:5103-71-9","chlordane"],["gamma chlordane","cas:5566-34-7","chlordane"],["trans chlordane","cas:5103-74-2","chlordane"],["trans nonachlor chlordane component","cas:39765-80-5","chlordane"]],"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":26,"offset":0,"returned":26,"next_offset":null,"rows":[{"id":"c8de8675efce2d82","parameter":"Chlordane","value":"1.2(c)","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-WY"],"conditions":["receiving_water is freshwater","surface waters of the state designated for aquatic life (cold water, warm water, modified or other aquatic life uses; Chapter 1 Section 4 and the Wyoming Surface Water Classification List)"],"cite":{"instrument":"us_wy_wqs","title":"Wyoming Water Quality Rules Chapter 1, Wyoming Surface Water Quality Standards: Table 7 aquatic life and Table 9 drinking water and fish consumption values","issuer":"State of Wyoming, Department of Environmental Quality (Water Quality Division)","edition":"Chapter 1 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Quality Division)","edition":"Chapter 1 effective August 6, 2025 (Reference Number 020.0011.1.08062025, generated 08/12/2025), as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/wy-chapter1.pdf","source_sha256":"19dc9cc2926a62927b89bdaffb154e4a1b247b5135c0cebbfe3754c59c406437","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Wyoming WQRR Chapter 1 Table 9","page":28,"quote":null}},{"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 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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":"20fe714130e65c20","parameter":"Chlordane (alpha)","value":"500","value_num":500,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:5103-71-9","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 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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); 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":"Chlordane (P) 57749 2.4 0.0043 0.09 0.004 1980"}},{"id":"db07cfec5a71734d","parameter":"Chlordane","value":"0.0043","value_num":0.0043,"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 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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