{"query":{"parameter":"fluorine","place":"US-NV","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NV","US"],"parameter_keys":["cas:7782-41-4","cas:7664-39-3","cas:16984-48-8","cas:7681-49-4","name:fluoride @ 90°f"],"names_matched":[["fluorine","cas:7782-41-4"],["fluor und seine gasformigen anorganischen verbindungen angegeben als fluorwasserstoff","cas:7664-39-3","fluor"],["fluor und seine gasformigen verbindungen angegeben als fluorwasserstoff","cas:7664-39-3","fluor"],["fluorwasserstoff und gasformige anorganische fluorverbindungen angegeben als fluor","cas:7664-39-3","fluor"],["fluoride","cas:16984-48-8","fluoride"],["fluoride","cas:7681-49-4","fluoride"],["fluoride 90 f","name:fluoride @ 90°f","fluoride"],["fluoride as f","cas:16984-48-8","fluoride"],["fluoride dissolved","cas:16984-48-8","fluoride"],["fluoride t","cas:16984-48-8","fluoride"],["fluoride total","cas:16984-48-8","fluoride"],["fluoride total recoverable","cas:16984-48-8","fluoride"],["hydrogen fluoride","cas:7664-39-3","fluoride"],["sodium fluoride","cas:7681-49-4","fluoride"],["total fluoride","cas:16984-48-8","fluoride"]],"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":["Fluorides"],"says":"1 rows share a parameter key with a longer name holding \"fluorine\" 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":1566,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"7cac10874341bac5","parameter":"Fluoride (total recoverable)","value":"2.6","value_num":2.6,"unit":"mg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","cites is a NAC 445A control-point section (NAC 445A.1254 to 445A.2214)","Muddy River at the Glendale Bridge (NAC 445A.2168): The limits of this table apply to the body of water known as the Muddy River from the river source to the Glendale Bridge, except for the length of the river within the exterior borders of the Moapa Indian Reservation. This segment of the Muddy River is located in Clark County; a control point's criteria apply upstream to the next control point or named water (NAC 445A.1239)"],"cite":{"instrument":"us_nv_cp","title":"Nevada NAC 445A.1254 to 445A.2214: standards of water quality at each control point (requirements to maintain existing higher quality and water quality criteria to protect beneficial uses)","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":"not verified"},"section":"NAC 445A.2168","page":506,"quote":null}},{"id":"fd499af0fdedf786","parameter":"Fluoride (total recoverable)","value":"2.6","value_num":2.6,"unit":"mg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","cites is a NAC 445A control-point section (NAC 445A.1254 to 445A.2214)","Muddy River at the Wells Siding Diversion (NAC 445A.2172): The limits of this table apply to the body of water known as the Muddy River from the Glendale Bridge to the Wells Siding Diversion. This segment of the Muddy River is located in Clark County; a control point's criteria apply upstream to the next control point or named water (NAC 445A.1239)"],"cite":{"instrument":"us_nv_cp","title":"Nevada NAC 445A.1254 to 445A.2214: standards of water quality at each control point (requirements to maintain existing higher quality and water quality criteria to protect beneficial uses)","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":"not verified"},"section":"NAC 445A.2172","page":508,"quote":null}},{"id":"187db4cd9c36a996","parameter":"Fluoride (total recoverable)","value":"3.6","value_num":3.6,"unit":"mg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","cites is a NAC 445A control-point section (NAC 445A.1254 to 445A.2214)","Muddy River at Lake Mead (NAC 445A.2174): The limits of this table apply to the body of water known as the Muddy River from the Wells Siding Diversion to the river mouth at Lake Mead. This segment of the Muddy River is located in Clark County; a control point's criteria apply upstream to the next control point or named water (NAC 445A.1239)"],"cite":{"instrument":"us_nv_cp","title":"Nevada NAC 445A.1254 to 445A.2214: standards of water quality at each control point (requirements to maintain existing higher quality and water quality criteria to protect beneficial uses)","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":"not verified"},"section":"NAC 445A.2174","page":509,"quote":null}},{"id":"b4c5bc3f874e2449","parameter":"Fluoride (total recoverable)","value":"2.6","value_num":2.6,"unit":"mg/L","statistic":"instant","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","cites is a NAC 445A control-point section (NAC 445A.1254 to 445A.2214)","Bowman Reservoir (NAC 445A.2204): The limits of this table apply to the entire body of water known as Bowman Reservoir. Bowman Reservoir is located in Clark County; a control point's criteria apply upstream to the next control point or named water (NAC 445A.1239)"],"cite":{"instrument":"us_nv_cp","title":"Nevada NAC 445A.1254 to 445A.2214: standards of water quality at each control point (requirements to maintain existing higher quality and water quality criteria to protect beneficial uses)","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":"not verified"},"section":"NAC 445A.2204","page":523,"quote":null}},{"id":"51dab903189b998e","parameter":"Fluoride","value":"1,000","value_num":1000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use irrigation (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":"not verified"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"Fluoride - - 1,000d 2,000d"}},{"id":"77717ee21a01c960","parameter":"Fluoride","value":"2,000","value_num":2000,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NV"],"conditions":["receiving_water is freshwater","waters with the beneficial use watering of livestock (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":"not verified"},"section":"NAC 445A.1236 subsection 2","page":82,"quote":"Fluoride - - 1,000d 2,000d"}},{"id":"3bda009bb194bf60","parameter":"Fluorine (Soluble Fluoride)","value":"4700","value_num":4700,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7782-41-4","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"13f303006719acb0","parameter":"Fluorine (Soluble Fluoride)","value":"70000","value_num":70000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7782-41-4","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"a0c6915ad3c92ee0","parameter":"Fluorine (Soluble Fluoride)","value":"180","value_num":180,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7782-41-4","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":"not verified"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"286a3caea0e9a1df","parameter":"Fluorine (Soluble Fluoride)","value":"600","value_num":600,"unit":"mg/kg","direction":"max","kind":"printed_reference","medium":"soil","level":"national","parameter_key":"cas:7782-41-4","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":"not verified"},"section":null,"page":null,"quote":null,"table":"ssl","column":"mcl"}},{"id":"cc781bc2c437de63","parameter":"Fluorine (Soluble Fluoride)","value":"1200","value_num":1200,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7782-41-4","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":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"d01287bc689dd34e","parameter":"Hydrogen Fluoride","value":"3100","value_num":3100,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7664-39-3","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"9095cf1a9f38715e","parameter":"Hydrogen Fluoride","value":"47000","value_num":47000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:7664-39-3","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":"not verified"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"4fef4e7b680e4a5e","parameter":"Hydrogen Fluoride","value":"28","value_num":28,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:7664-39-3","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":"not verified"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}},{"id":"90b355b89825f281","parameter":"Fluoride","value":"35","value_num":35,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Inorganic Constituents, wastewater standard","page":null,"quote":"Fluoride 5 16984-48-8 35 NA"}},{"id":"5755018f973ffbee","parameter":"Fluoride (T)","value":"6.1","value_num":6.1,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart H—Hydrofluoric Acid Production Subcategory","existing sources (BPT)","table: Subpart H—Hydrofluoric Acid"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-08-01","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-01/title-40.xml?part=415","source_sha256":"ebf67428a51e85f12785b92d537e6878c5f9838c87722ac2db82b3db673d1e23","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 415.82 (BPT)","page":null,"quote":"Fluoride (T) 6.1 2.9"}},{"id":"c7d32fa29b642d12","parameter":"Fluoride (T)","value":"2.9","value_num":2.9,"unit":"Kg/kkg (or pounds per 1,000 lb) of product","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart H—Hydrofluoric Acid Production Subcategory","existing sources (BPT)","table: Subpart H—Hydrofluoric Acid"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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