{"query":{"parameter":"endosulfan","place":"US-NV","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NV","US"],"parameter_keys":["cas:115-29-7","cas:959-98-8","name:a-endosulfan","name:alpha-endosulfan","name:alpha-endosulfan beta-endosulfan","cas:33213-65-9","name:b-endosulfan","name:beta-endosulfan","name:endosulfan (i ou α) et (ii ou β), totaux","cas:1031-07-8"],"names_matched":[["endosulfan","cas:115-29-7"],["a endosulfan","cas:959-98-8"],["a endosulfan","name:a-endosulfan"],["alpha endosulfan","cas:959-98-8"],["alpha endosulfan","name:alpha-endosulfan"],["alpha endosulfan beta endosulfan","name:alpha-endosulfan beta-endosulfan"],["alpha endosulfan endosulfan","name:alpha-endosulfan"],["b endosulfan","cas:33213-65-9"],["b endosulfan","name:b-endosulfan"],["beta endosulfan","cas:33213-65-9"],["beta endosulfan","name:beta-endosulfan"],["beta endosulfan endosulfan","name:beta-endosulfan"],["endosulfan alpha","cas:959-98-8"],["endosulfan beta","cas:33213-65-9"],["endosulfan i alpha","cas:959-98-8"],["endosulfan i ou et ii ou totaux","name:endosulfan (i ou α) et (ii ou β), totaux"],["endosulfan i the cis isomer of endosulfan","cas:959-98-8"],["endosulfan ii beta","cas:33213-65-9"],["endosulfan ii the trans isomer of endosulfan","cas:33213-65-9"],["endosulfan sulfate","cas:1031-07-8"]],"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":30,"offset":0,"returned":30,"next_offset":null,"rows":[{"id":"d1177f8d66bd6638","parameter":"Endosulfan","value":"75","value_num":75,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:115-29-7","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use municipal or domestic supply (the uses each water carries are set in NAC 445A.123 to 445A.2234; site-specific standards for toxic materials take precedence, subsection 1)"],"cite":{"instrument":"us_nv_wqs","title":"Nevada NAC 445A.1236 Standards for toxic materials applicable to designated waters; NAC 445A.1237 selenium for aquatic life, with the Las Vegas Wash's own values; NAC 445A.1233 Colorado River salinity","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1236 subsection 2","page":83,"quote":"Endosulfan 75a - - -"}},{"id":"44e8f3bd4d783715","parameter":"alpha-Endosulfan","value":"0.22","value_num":0.22,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:alpha-endosulfan","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use aquatic life (the uses each water carries are set in NAC 445A.123 to 445A.2234; site-specific standards for toxic materials take precedence, subsection 1)"],"cite":{"instrument":"us_nv_wqs","title":"Nevada NAC 445A.1236 Standards for toxic materials applicable to designated waters; NAC 445A.1237 selenium for aquatic life, with the Las Vegas Wash's own values; NAC 445A.1233 Colorado River salinity","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"alpha-Endosulfan - - - - 1-hour average - 0.22f - -"}},{"id":"3e2607e0b9d4d399","parameter":"alpha-Endosulfan","value":"0.056","value_num":0.056,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:alpha-endosulfan","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use aquatic life (the uses each water carries are set in NAC 445A.123 to 445A.2234; site-specific standards for toxic materials take precedence, subsection 1)"],"cite":{"instrument":"us_nv_wqs","title":"Nevada NAC 445A.1236 Standards for toxic materials applicable to designated waters; NAC 445A.1237 selenium for aquatic life, with the Las Vegas Wash's own values; NAC 445A.1233 Colorado River salinity","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"alpha-Endosulfan - - - - 1-hour average - 0.22f - - 96-hour average - 0.056f - -"}},{"id":"564c0a7e4fd66e8f","parameter":"beta-Endosulfan","value":"0.22","value_num":0.22,"unit":"µg/L","statistic":"hourly_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:beta-endosulfan","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use aquatic life (the uses each water carries are set in NAC 445A.123 to 445A.2234; site-specific standards for toxic materials take precedence, subsection 1)"],"cite":{"instrument":"us_nv_wqs","title":"Nevada NAC 445A.1236 Standards for toxic materials applicable to designated waters; NAC 445A.1237 selenium for aquatic life, with the Las Vegas Wash's own values; NAC 445A.1233 Colorado River salinity","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"beta-Endosulfan - - - - 1-hour average - 0.22f - -"}},{"id":"dcb8fb58c03677f7","parameter":"beta-Endosulfan","value":"0.056","value_num":0.056,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"name:beta-endosulfan","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use aquatic life (the uses each water carries are set in NAC 445A.123 to 445A.2234; site-specific standards for toxic materials take precedence, subsection 1)"],"cite":{"instrument":"us_nv_wqs","title":"Nevada NAC 445A.1236 Standards for toxic materials applicable to designated waters; NAC 445A.1237 selenium for aquatic life, with the Las Vegas Wash's own values; NAC 445A.1233 Colorado River salinity","issuer":"State of Nevada, State Environmental Commission (Division of Environmental Protection)","edition":"NAC Chapter 445A Water Controls effective June 11, 2025, as US EPA posts it in effect for CWA purposes (cover August 20, 2025: EPA approvals since the May 2022 publication in red, removed text as red strikeout)","source_url":"https://www.epa.gov/system/files/documents/2025-11/nvwqs.pdf","source_sha256":"eb1b4a585f250db61459d5e820ab06240338a5084afa75cf6df28dcbf4af2d4d","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"beta-Endosulfan - - - - 1-hour average - 0.22f - - 96-hour average - 0.056f - -"}},{"id":"6a238cd64b06c4ec","parameter":"Endosulfan","value":"470","value_num":470,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"246d54c1424b98b6","parameter":"Endosulfan","value":"7000","value_num":7000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"5fe7e7fc82ab2419","parameter":"Endosulfan","value":"1.4","value_num":1.4,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:115-29-7","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":"6489fcac3fe096f3","parameter":"Endosulfan","value":"100","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:115-29-7","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":"3641075435b3e68d","parameter":"alpha-Endosulfan","value":"0.22","value_num":0.22,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:959-98-8","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":"alpha-Endosulfan (P) 959988 0.22 0.056 0.034 0.0087 1980"}},{"id":"0ad35e77003f0251","parameter":"alpha-Endosulfan","value":"0.056","value_num":0.056,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:959-98-8","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); 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":"alpha-Endosulfan (P) 959988 0.22 0.056 0.034 0.0087 1980"}},{"id":"4b5c3fcd8ced8a9d","parameter":"alpha-Endosulfan","value":"20","value_num":20,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:959-98-8","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","consumption of water + organism: a water designated a drinking-water source and for fish and shellfish (a designated use the state assigns)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); each criterion carries its publication year","source_url":"https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table","source_sha256":"a0229d5a613672b46a000c5b9925dd3a23c3e05914bb020b7f739c69cecbb5fe","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"National Recommended Water Quality Criteria — Human Health Criteria Table","page":null,"quote":"alpha-Endosulfan (P) 959988 20 30 2015"}},{"id":"9ec239f81983ee3f","parameter":"alpha-Endosulfan","value":"30","value_num":30,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:959-98-8","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","consumption of organism only: a water designated for fish and shellfish taken from it, not a drinking-water source (fresh or salt)"],"cite":{"instrument":"us_nrwqc_human_health","title":"EPA National Recommended Water Quality Criteria — Human Health Criteria Table (water + organism, organism only)","issuer":"U.S. Environmental Protection Agency","edition":"EPA web table (fetched 2026-10-09); 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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":"beta-Endosulfan (P) 33213659 0.22 0.056 0.034 0.0087 1980"}},{"id":"cd92103432b48a2c","parameter":"beta-Endosulfan","value":"0.056","value_num":0.056,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"national","parameter_key":"cas:33213-65-9","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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