{"query":{"parameter":"fluoride","place":"US-NC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NC","US"],"parameter_keys":["cas:16984-48-8","cas:7681-49-4","cas:7782-41-4","name:fluoride @ 90°f","cas:7664-39-3","name:fluorures totaux"],"names_matched":[["fluoride","cas:16984-48-8"],["fluoride","cas:7681-49-4"],["fluoride","cas:7782-41-4"],["fluoride 90 f","name:fluoride @ 90°f"],["hydrogen fluoride","cas:7664-39-3"],["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"],["fluorides as hf","cas:7664-39-3","fluorides"],["fluorides as hf gaseous growing season","cas:7664-39-3","fluorides"],["fluorides as hf total growing season","cas:7664-39-3","fluorides"],["fluorides as hf total non growing season","cas:7664-39-3","fluorides"],["gaseous fluorides expressed as hf","cas:7664-39-3","fluorides"],["fluorures totaux","name:fluorures totaux","fluorures"],["fluorures totaux f","name:fluorures totaux","fluorures"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order"},"total":1562,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"2a2dce85d7d1af9e","parameter":"Fluoride","value":"1.8 mg/l","value_num":1.8,"unit":"mg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:16984-48-8","place":["US-NC"],"conditions":["receiving_water is freshwater","fresh surface waters, Class C: the minimum for all freshwaters (15A NCAC 02B .0211); other freshwater classes add standards (.0212-.0231)"],"cite":{"instrument":"us_nc_wqs","title":"15A NCAC 02B .0211, .0220 and .0208 — fresh (Class C) and tidal salt (Class SC) surface water quality standards, and human health standards for toxic substances (North Carolina)","issuer":"State of North Carolina, Environmental Management Commission (Department of Environmental Quality)","edition":".0211 readopted eff. November 1, 2019, amended eff. September 1, 2022; .0220 and .0208 as the Office of Administrative Hearings publishes them (fetched 2026-10-09)","source_url":"http://reports.oah.state.nc.us/ncac/title%2015a%20-%20environmental%20quality/chapter%2002%20-%20environmental%20management/subchapter%20b/15a%20ncac%2002b%20.0211.pdf","source_sha256":"71176dd337aaa95367f349105621e0b98c11cbe6b451ef41c03f054ff94352b8","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"15A NCAC 02B .0211(9)","page":1,"quote":"(9) Fluoride: 1.8 mg/l;"}},{"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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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 415.83 (BAT)","page":null,"quote":"Fluoride (T) 3.4 1.6"}},{"id":"8d8037e5a3fc8de5","parameter":"Fluoride (T)","value":"1.6","value_num":1.6,"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 (BAT)","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 415.83 (BAT)","page":null,"quote":"Fluoride (T) 3.4 1.6"}},{"id":"944f2f7db3e99413","parameter":"Fluoride (T)","value":"3.4","value_num":3.4,"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","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","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 415.85 (NSPS)","page":null,"quote":"Fluoride (T) 3.4 1.6"}},{"id":"c97d760f0e4660cf","parameter":"Fluoride (T)","value":"1.6","value_num":1.6,"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","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","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 415.85 (NSPS)","page":null,"quote":"Fluoride (T) 3.4 1.6"}},{"id":"b8673007a19d77b4","parameter":"Fluoride (T)","value":"100","value_num":100,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart H—Hydrofluoric Acid Production Subcategory","new sources (PSNS)","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 415.86 (PSNS)","page":null,"quote":"Fluoride (T) 100 50"}},{"id":"9bdce9ea67024f50","parameter":"Fluoride (T)","value":"50","value_num":50,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart H—Hydrofluoric Acid Production Subcategory","new sources (PSNS)","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 415.86 (PSNS)","page":null,"quote":"Fluoride (T) 100 50"}},{"id":"c99eee425ed0a18a","parameter":"Fluoride (T)","value":"1.3","value_num":1.3,"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 W—Aluminum Fluoride Production Subcategory","existing sources (BPT)","table: Subpart W—Aluminum Fluoride","column: Pollutant or pollutant property"],"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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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 415.232 (BPT)","page":null,"quote":"Fluoride (T) 1.3 0.63"}},{"id":"93a74b8f7a9d10af","parameter":"Fluoride","value":"50","value_num":50,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:16984-48-8","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart BC—Sodium Fluoride Production Subcategory","existing sources (PSES)","table: Subpart BC—Sodium Fluoride"],"cite":{"instrument":"us_40cfr415","title":"40 CFR Part 415 — PART 415—INORGANIC 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values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER 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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.12 (BPT)","page":null,"quote":"Fluoride 75 25"}},{"id":"a258d2e3db510666","parameter":"Fluoride","value":"25","value_num":25,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","existing sources (BPT)","(c) The concentration of pollutants discharged in process wastewater pursuant to the limitations of paragraph (b) shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER 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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.12 (BPT)","page":null,"quote":"Fluoride 75 25"}},{"id":"788af66f12cd0dbb","parameter":"Fluoride","value":"75","value_num":75,"unit":"mg/L","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 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25"}},{"id":"634d0b789c2b1571","parameter":"Fluoride","value":"25","value_num":25,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","existing sources (BPT)","(d) The concentration of pollutants discharged in contaminated non-process wastewater shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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section shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER 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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.13 (BAT)","page":null,"quote":"Fluoride 75 25"}},{"id":"348ffd17c4893b88","parameter":"Fluoride","value":"75","value_num":75,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","existing sources 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25"}},{"id":"0793cbb06822cafd","parameter":"Fluoride","value":"75","value_num":75,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","new sources (NSPS)","(c) The concentration of pollutants discharged in process wastewater pursuant to the limitations of paragraph (b) shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.15 (NSPS)","page":null,"quote":"Fluoride 75 25"}},{"id":"7b14c2d38b107652","parameter":"Fluoride","value":"75","value_num":75,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","new sources (NSPS)","(d) The concentration of pollutants discharged in contaminated non-process wastewater shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER 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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.15 (NSPS)","page":null,"quote":"Fluoride 75 25"}},{"id":"951d822c3bd0a149","parameter":"Fluoride","value":"25","value_num":25,"unit":"mg/L","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 418","the discharge is of the Subpart A—Phosphate Subcategory","new sources (NSPS)","(d) The concentration of pollutants discharged in contaminated non-process wastewater shall not exceed the values listed in the following table:"],"cite":{"instrument":"us_40cfr418","title":"40 CFR Part 418 — PART 418—FERTILIZER 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=418","source_sha256":"881822302cd9912ec4678ba7ccaa00276ff06f33a48ae154f399db6986c1ffda","fetched_at":"2026-09-24","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 418.15 (NSPS)","page":null,"quote":"Fluoride 75 25"}},{"id":"49960e705523a119","parameter":"Fluoride","value":"2.0","value_num":2,"unit":"kg/kkg 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 421","the discharge is of the Subpart 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3.591"}},{"id":"f4502ef6698a6c28","parameter":"Fluoride","value":"12.440","value_num":12.44,"unit":"mg/kg (pounds per million pounds) of anodes cast","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 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","existing sources (BAT)","(b) Subpart (B)—Anode Contact Cooling and Briquette Quenching.","table: BAT Effluent Limitations"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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(BAT)","page":null,"quote":"Fluoride 2.975 1.320"}},{"id":"d1e5d91e255886d4","parameter":"Fluoride","value":"1.320","value_num":1.32,"unit":"mg/kg (pounds per million pounds) of anodes baked","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 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","existing sources (BAT)","(d) Subpart B—Anode Bake Plant Wet Air Pollution Control (Open Top Ring Furnace With Spray Tower Only).","table: BAT Effluent Limitations"],"cite":{"instrument":"us_40cfr421","title":"40 CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 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