{"query":{"parameter":"antimony","place":"US-OH","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-OH","US"],"parameter_keys":["cas:7440-36-0","cas:1332-81-6","cas:1314-60-9","name:antimony, total","cas:1309-64-4"],"names_matched":[["antimony","cas:7440-36-0"],["antimony oxide sb2o4","cas:1332-81-6"],["antimony oxide sb2o5","cas:1314-60-9"],["antimony pentoxide","cas:1314-60-9"],["antimony tetroxide","cas:1332-81-6"],["antimony total","name:antimony, total"],["antimony trioxide","cas:1309-64-4"]],"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":388,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"742a1b211c9ad62b","parameter":"Antimony (total recoverable)","value":"5.6","value_num":5.6,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-36-0","place":["US-OH"],"conditions":["receiving_water is freshwater","water bodies within five hundred yards of drinking water intakes (OAC 3745-1-33(A)(1))","water bodies in the Ohio river drainage basin"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 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Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 3745-1-34 Table 34-1","page":464,"quote":"Antimony TR µg/l 640 --"}},{"id":"89ffbd39a4675bb0","parameter":"Antimony (total recoverable)","value":"5.6","value_num":5.6,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-36-0","place":["US-OH"],"conditions":["receiving_water is freshwater","the Ohio river mainstem (OAC 3745-1-32)","the Ohio river within five hundred yards of drinking water intakes (Table 32-2 note 3)"],"cite":{"instrument":"us_oh_wqs","title":"Ohio Administrative Code Chapter 3745-1 Water Quality Standards: statewide aquatic life (Table 35-1, hardness and pH equations 35-9/35-10), wildlife (35-12), public water supply (33-1), agricultural supply (33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 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(33-3), fish consumption (34-1), aesthetic (37-1) and Ohio river (32-1/32-2) criteria","issuer":"State of Ohio, Environmental Protection Agency","edition":"OAC 3745-1-01 to -44 and -50 to -54, effective March 16, 2026, as US EPA posts it in effect for CWA purposes (cover letter March 25, 2026: EPA disapproved, April 27, 2021, 44 lake Erie public water supply criteria of Table 33-1)","source_url":"https://www.epa.gov/sites/default/files/2015-09/documents/oh_34751_1_to_40.pdf","source_sha256":"129b8170e3fe705fd7b0be22d6ca7eb6bf37bfc003df0348bb42b8e67c60f9d0","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"OAC 3745-1-32 Table 32-2","page":450,"quote":"Antimony TR µg/l 5.6 5.6"}},{"id":"7add8daef8f889b6","parameter":"Antimony (T)","value":"0.0086","value_num":0.0086,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","existing sources (BPT)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.662 (BPT)","page":null,"quote":"Antimony (T) 0.0086 0.0043"}},{"id":"fe8d182baa5d20b7","parameter":"Antimony (T)","value":"0.0043","value_num":0.0043,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","existing sources (BPT)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.662 (BPT)","page":null,"quote":"Antimony (T) 0.0086 0.0043"}},{"id":"58b30ca6cea6e5b7","parameter":"Antimony (T)","value":"0.0043","value_num":0.0043,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","existing sources (BAT)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.663 (BAT)","page":null,"quote":"Antimony (T) 0.0043 0.0022"}},{"id":"b86a5f26374d9f13","parameter":"Antimony (T)","value":"0.0022","value_num":0.0022,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","existing sources (BAT)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.663 (BAT)","page":null,"quote":"Antimony (T) 0.0043 0.0022"}},{"id":"6bff6df73c50deee","parameter":"Antimony (T)","value":"0.0043","value_num":0.0043,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.665 (NSPS)","page":null,"quote":"Antimony (T) 0.0043 0.0022"}},{"id":"14b494880b069fcd","parameter":"Antimony (T)","value":"0.0022","value_num":0.0022,"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:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","new sources (NSPS)","Any new source subject to this subpart must achieve the following new source performance standards (NSPS):","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.665 (NSPS)","page":null,"quote":"Antimony (T) 0.0043 0.0022"}},{"id":"6c770df37bad51bf","parameter":"Antimony (T)","value":"1.6","value_num":1.6,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-36-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","new sources (PSNS)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.666 (PSNS)","page":null,"quote":"Antimony (T) 1.6 0.8"}},{"id":"5fb8a9dade015558","parameter":"Antimony (T)","value":"0.8","value_num":0.8,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:7440-36-0","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart BN—Sodium Chlorate Production Subcategory","new sources (PSNS)","table: Subpart BN—Sodium Chlorate"],"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":"unchanged"},"section":"40 CFR 415.666 (PSNS)","page":null,"quote":"Antimony (T) 1.6 0.8"}},{"id":"f9911a04c1d453ec","parameter":"Antimony","value":".263","value_num":0.263,"unit":"mg/kg (pounds per million pounds) of paste produced","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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)","(a) Subpart B—Anode and Cathode Paste Plant Wet Air Pollution Control","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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421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony .263 .117"}},{"id":"63c1c5b54fcefc78","parameter":"Antimony","value":".403","value_num":0.403,"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:7440-36-0","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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony .403 .180"}},{"id":"1a59da072faf478d","parameter":"Antimony","value":".180","value_num":0.18,"unit":"mg/kg (pounds per million pounds) of anodes cast","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony .403 .180"}},{"id":"22bfb365def9072a","parameter":"Antimony","value":"8.346","value_num":8.346,"unit":"mg/kg (pounds per million pounds) of anodes 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3.719"}},{"id":"3ff96851c03695ae","parameter":"Antimony","value":"3.719","value_num":3.719,"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:7440-36-0","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)","(c) Subpart (B)—Anode Bake Plant Wet Air Pollution Control (Closed Top Ring Furnace).","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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CFR Part 421 — PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony .097 .043"}},{"id":"9020dce67fcefda6","parameter":"Antimony","value":".043","value_num":0.043,"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:7440-36-0","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 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CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting Subcategory","existing sources (BAT)","(e) Subpart B—Anode Bake Plant Wet Air Pollution Control (Open Top Ring Furnace With Wet Electrostatic Precipitator and Spray Tower).","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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony 1.409 .628"}},{"id":"8fb82b413d0dd03a","parameter":"Antimony","value":".628","value_num":0.628,"unit":"mg/kg (pounds per million pounds) of anodes 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(BAT)","page":null,"quote":"Antimony 1.409 .628"}},{"id":"4a83ccb0c0742da1","parameter":"Antimony","value":"2.197","value_num":2.197,"unit":"mg/kg (pounds per million pounds) of anodes baked","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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)","(f) Subpart B—Anode Bake Plant Wet Air Pollution Control (Tunnel Kiln).","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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony 2.197 .979"}},{"id":"a5ee2ff16121458c","parameter":"Antimony","value":".979","value_num":0.979,"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:7440-36-0","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)","(f) Subpart B—Anode Bake Plant Wet Air Pollution Control (Tunnel Kiln).","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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony 2.197 .979"}},{"id":"b1bbefbae593f5e9","parameter":"Antimony","value":"420.400","value_num":420.4,"unit":"mg/kg (pounds per million pounds) of cryolite recovered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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)","(g) Subpart B—Cathode Reprocessing (Operated With 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(BAT)","page":null,"quote":"Antimony 420.400 189.200"}},{"id":"cb2ec0d7ae2c3c49","parameter":"Antimony","value":"67.610","value_num":67.61,"unit":"mg/kg (pounds per million pounds) of cryolite recovered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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)","(h) Subpart B—Cathode Reprocessing (Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Waters).","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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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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony 67.610 30.120"}},{"id":"33ca20f21cb059f4","parameter":"Antimony","value":".000","value_num":0,"unit":"mg/kg (pound per million pounds) of cryolite recovered","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart B—Primary Aluminum Smelting 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.000"}},{"id":"8002e85b488b6622","parameter":"Antimony","value":"1.618","value_num":1.618,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","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)","(j) Subpart B—Potline Wet Air Pollution Control (Operated Without Cathode Reprocessing).","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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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 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=421","source_sha256":"d7cfd73b5bcf0e961e02ec53264492b2371277280003192841b7166b2a5012cf","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 421.23 (BAT)","page":null,"quote":"Antimony 1.618 .721"}},{"id":"70d6d8452814b5b6","parameter":"Antimony","value":"3.204","value_num":3.204,"unit":"mg/kg (pound per million pounds) of aluminum produced from electrolytic reduction","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:7440-36-0","place":["US"],"conditions":["route is direct","cites is 40 CFR 421","the discharge is of the Subpart 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