{"query":{"parameter":"chromium vi","place":"US-CO","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-CO","US"],"parameter_keys":["cas:18540-29-9","name:chromium (vi) (freshwater) chromium (vi) marine","cas:7440-47-3","name:chromium (+6)","name:chromium +6","name:chromium +6, total"],"names_matched":[["chromium vi","cas:18540-29-9"],["chromium vi freshwater chromium vi marine","name:chromium (vi) (freshwater) chromium (vi) marine"],["chromium 6","cas:7440-47-3","chromium 6"],["chromium 6","name:chromium (+6)","chromium 6"],["chromium 6","name:chromium +6","chromium 6"],["chromium 6 total","name:chromium +6, total","chromium 6"],["chromium 6 total recoverable","name:chromium (+6)","chromium 6"]],"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","not_sent":{"rows":2522,"names":["Chromium","Chromium (total)","Total chromium","Total Chromium","Chromium (Total)","Chromium (T)","Cr","Chromium, total"],"says":"2522 rows share a parameter key with a longer name holding \"chromium vi\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"chromium vi\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":153,"offset":0,"returned":50,"next_offset":50,"rows":[{"id":"497c4857cc4c0580","parameter":"Chromium VI","value":"16","value_num":16,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CO"],"conditions":["receiving_water is freshwater","a segment whose standards adopt the table value standards (TVS) of Table III (segment tables in Regulations 32 to 38)","segments classified for aquatic life"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5 CCR 1002-31 31.16 Table III","page":58,"quote":null}},{"id":"8eb83ef954f6dac7","parameter":"Chromium VI","value":"11","value_num":11,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CO"],"conditions":["receiving_water is freshwater","a segment whose standards adopt the table value standards (TVS) of Table III (segment tables in Regulations 32 to 38)","segments classified for aquatic life"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5 CCR 1002-31 31.16 Table III","page":58,"quote":null}},{"id":"862489fed6087be4","parameter":"Chromium VI","value":"100(B)","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CO"],"conditions":["receiving_water is freshwater","a segment whose standards adopt the table value standards (TVS) of Table III (segment tables in Regulations 32 to 38)","segments classified for agriculture"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5 CCR 1002-31 31.16 Table III","page":58,"quote":null}},{"id":"decfe111efde7ce9","parameter":"Chromium VI","value":"50(E) (acute)","value_num":50,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CO"],"conditions":["receiving_water is freshwater","a segment whose standards adopt the table value standards (TVS) of Table III (segment tables in Regulations 32 to 38)","segments classified for domestic water supply"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5 CCR 1002-31 31.16 Table III","page":58,"quote":null}},{"id":"bb74cb9fbc3fed9f","parameter":"Chromium VI","value":"100","value_num":100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CO"],"conditions":["receiving_water is freshwater","a segment whose standards adopt the table value standards (TVS) of Table III (segment tables in Regulations 32 to 38)","segments classified for Class 1 or 2 aquatic life with water supply"],"cite":{"instrument":"us_co_wqs","title":"Colorado Regulation No. 31 (5 CCR 1002-31) Basic Standards and Methodologies for Surface Water: Table B organic chemicals, Table III metals, Table IV metals at selected hardness","issuer":"State of Colorado, Water Quality Control Commission (Department of Public Health and Environment)","edition":"5 CCR 1002-31 effective December 31, 2024 (adopted August 21, 2024), the Secretary of State's official PDF; US EPA posts the same compilation in effect for CWA purposes (cover January 28, 2025: no action on the phased TN/TP provisions only)","source_url":"https://www.coloradosos.gov/CCR/GenerateRulePdf.do?ruleVersionId=11749&fileName=5%20CCR%201002-31","source_sha256":"af2f5ee73f74fa7f1cb168059b88977c13a07369665f6dc9b96633ff189855f9","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"5 CCR 1002-31 31.16 Table III","page":58,"quote":null}},{"id":"586a491f98bacb89","parameter":"Hexavalent chromium","value":"0.25","value_num":0.25,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart L—Potassium Dichromate Production Subcategory","existing sources (PSES)","table: Subpart L—Potassium Dichromate"],"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 415.124 (PSES)","page":null,"quote":"Hexavalent chromium 0.25 0.090"}},{"id":"80c65545de24faef","parameter":"Hexavalent chromium","value":"0.090","value_num":0.09,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart L—Potassium Dichromate Production Subcategory","existing sources (PSES)","table: Subpart L—Potassium Dichromate"],"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 415.124 (PSES)","page":null,"quote":"Hexavalent chromium 0.25 0.090"}},{"id":"44301cb82638239a","parameter":"Hexavalent Chromium","value":"0.00090","value_num":0.0009,"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:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory","existing sources (BPT)","table: Subpart Q—Sodium Dichromate"],"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 415.172 (BPT)","page":null,"quote":"Hexavalent Chromium 0.00090 0.00050"}},{"id":"e684d0fc30e3fb2e","parameter":"Hexavalent Chromium","value":"0.00050","value_num":0.0005,"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:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 415","the discharge is of the Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory","existing sources (BPT)","table: Subpart Q—Sodium Dichromate"],"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 415.172 (BPT)","page":null,"quote":"Hexavalent Chromium 0.00090 0.00050"}},{"id":"e4dade62badb7d43","parameter":"Hexavalent Chromium","value":"0.11","value_num":0.11,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory","new sources (PSNS)","table: Subpart Q—Sodium Dichromate"],"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 415.176 (PSNS)","page":null,"quote":"Hexavalent Chromium 0.11 0.060"}},{"id":"3db527f50ed7c0c9","parameter":"Hexavalent Chromium","value":"0.060","value_num":0.06,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory","new sources (PSNS)","table: Subpart Q—Sodium Dichromate"],"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 415.176 (PSNS)","page":null,"quote":"Hexavalent Chromium 0.11 0.060"}},{"id":"ac5fe4fc7e451cb8","parameter":"Hexavalent Chromium","value":"0.25","value_num":0.25,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart AL—Ferric Chloride Production Subcategory","existing sources (PSES)","table: Subpart AL—Ferric Chloride"],"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 415.384 (PSES)","page":null,"quote":"Hexavalent Chromium 0.25 0.09"}},{"id":"bbc4a35bef16796d","parameter":"Hexavalent Chromium","value":"0.09","value_num":0.09,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is sewer","cites is 40 CFR 415","the discharge is of the Subpart AL—Ferric Chloride Production Subcategory","existing sources (PSES)","table: Subpart AL—Ferric Chloride"],"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 415.384 (PSES)","page":null,"quote":"Hexavalent Chromium 0.25 0.09"}},{"id":"8e0092fd8ade30fc","parameter":"Hexavalent chromium","value":"0.028","value_num":0.028,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.12 (BPT)","page":null,"quote":"Hexavalent chromium 0.028 0.012"}},{"id":"5675ce4c2773c41c","parameter":"Hexavalent chromium","value":"0.012","value_num":0.012,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.12 (BPT)","page":null,"quote":"Hexavalent chromium 0.028 0.012"}},{"id":"a5c170365a595d95","parameter":"Hexavalent chromium","value":"0.062","value_num":0.062,"unit":"kilograms per 1,000 m³ of flow","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BPT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 15 mg/l oil and grease or 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by th…"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.12 (BPT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"57a3d27a2709f0fb","parameter":"Hexavalent chromium","value":"0.028","value_num":0.028,"unit":"kilograms per 1,000 m³ of 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applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Crude"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Crude 0.0019 0.0009"}},{"id":"a0641b29156d1dcf","parameter":"Hexavalent chromium","value":"0.0009","value_num":0.0009,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Crude"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Crude 0.0019 0.0009"}},{"id":"cb746acdf3ee94fc","parameter":"Hexavalent chromium","value":"0.0218","value_num":0.0218,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Cracking and coking"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Cracking and coking 0.0218 0.0098"}},{"id":"1ddda5fac1059bee","parameter":"Hexavalent chromium","value":"0.0098","value_num":0.0098,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Cracking and coking"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Cracking and coking 0.0218 0.0098"}},{"id":"6861827fb0da18f1","parameter":"Hexavalent chromium","value":"0.0117","value_num":0.0117,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Asphalt"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Asphalt 0.0117 0.0053"}},{"id":"f831dc28ef48615f","parameter":"Hexavalent chromium","value":"0.0053","value_num":0.0053,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Asphalt"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Asphalt 0.0117 0.0053"}},{"id":"52d8f1f5a9e229bf","parameter":"Hexavalent chromium","value":"0.0549","value_num":0.0549,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Lube"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Lube 0.0549 0.0248"}},{"id":"b05e64665a23de5a","parameter":"Hexavalent chromium","value":"0.0248","value_num":0.0248,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Lube"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Lube 0.0549 0.0248"}},{"id":"0019d027dc08b268","parameter":"Hexavalent chromium","value":"0.0196","value_num":0.0196,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Reforming and alkylation"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Reforming and alkylation 0.0196 0.0088"}},{"id":"68fa7b81afc4c94c","parameter":"Hexavalent chromium","value":"0.0088","value_num":0.0088,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Reforming and alkylation"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Reforming and alkylation 0.0196 0.0088"}},{"id":"3a1f5e0f74cba875","parameter":"Hexavalent chromium","value":"0.062","value_num":0.062,"unit":"kilograms per 1,000 m³ of flow","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the …"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"16cc83d20ea9fd1e","parameter":"Hexavalent chromium","value":"0.028","value_num":0.028,"unit":"kilograms per 1,000 m³ of flow","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","existing sources (BAT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the …"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.13 (BAT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"f8ce2214c9c13e87","parameter":"Hexavalent chromium","value":"0.015","value_num":0.015,"unit":"kilograms per cubic meter of flow","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.16 (NSPS)","page":null,"quote":"Hexavalent chromium 0.015 0.0068"}},{"id":"fe6afefbdfe84ab5","parameter":"Hexavalent chromium","value":"0.0068","value_num":0.0068,"unit":"kilograms per cubic meter of flow","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart A—Topping Subcategory","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.16 (NSPS)","page":null,"quote":"Hexavalent chromium 0.015 0.0068"}},{"id":"93f79981d38f7f8d","parameter":"Hexavalent chromium","value":"0.035","value_num":0.035,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.22 (BPT)","page":null,"quote":"Hexavalent chromium 0.035 0.016"}},{"id":"fecd421c87b4153a","parameter":"Hexavalent chromium","value":"0.016","value_num":0.016,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.22 (BPT)","page":null,"quote":"Hexavalent chromium 0.035 0.016"}},{"id":"ad4ccebfba672c86","parameter":"Hexavalent chromium","value":"0.062","value_num":0.062,"unit":"kilograms per 1,000 m³ of flow","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BPT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 15 mg/l oil and grease or 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by th…"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.22 (BPT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"39eb6f7004a4d0da","parameter":"Hexavalent chromium","value":"0.028","value_num":0.028,"unit":"kilograms per 1,000 m³ of flow","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BPT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 15 mg/l oil and grease or 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by th…"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.22 (BPT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"897bc7314a3e2fe1","parameter":"Hexavalent chromium","value":"0.0019","value_num":0.0019,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Crude"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Crude 0.0019 0.0009"}},{"id":"694830b8e0e244bc","parameter":"Hexavalent chromium","value":"0.0009","value_num":0.0009,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Crude"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Crude 0.0019 0.0009"}},{"id":"1e0569faa1c26e89","parameter":"Hexavalent chromium","value":"0.0218","value_num":0.0218,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Cracking and coking"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Cracking and coking 0.0218 0.0098"}},{"id":"7ae4474e993c1e76","parameter":"Hexavalent chromium","value":"0.0098","value_num":0.0098,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Cracking and coking"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Cracking and coking 0.0218 0.0098"}},{"id":"2413ddaf09abdc6e","parameter":"Hexavalent chromium","value":"0.0117","value_num":0.0117,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Asphalt"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Asphalt 0.0117 0.0053"}},{"id":"a2b9d06774470e48","parameter":"Hexavalent chromium","value":"0.0053","value_num":0.0053,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Asphalt"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Asphalt 0.0117 0.0053"}},{"id":"9589e823087d3b55","parameter":"Hexavalent chromium","value":"0.0549","value_num":0.0549,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Lube"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Lube 0.0549 0.0248"}},{"id":"c62579684af504e1","parameter":"Hexavalent chromium","value":"0.0248","value_num":0.0248,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Lube"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Lube 0.0549 0.0248"}},{"id":"4c88effa896d66e0","parameter":"Hexavalent chromium","value":"0.0196","value_num":0.0196,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Reforming and alkylation"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Reforming and alkylation 0.0196 0.0088"}},{"id":"37ef6dba2f9fc4c9","parameter":"Hexavalent chromium","value":"0.0088","value_num":0.0088,"unit":"kilograms per 1,000 cubic meters of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(i) For each of the regulated pollutant parameters listed below, the effluent limitation for a given refinery is the sum of the products of each effluent limitation factor times the applicable process feedstock rate, calculated as provided in 40 CFR 122.45(b). Applicable production processes are presented in appendix A, by process type. The process identification numbers presented in this appen…","table row: Reforming and alkylation"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Reforming and alkylation 0.0196 0.0088"}},{"id":"8b6cc9cb3b195338","parameter":"Hexavalent chromium","value":"0.062","value_num":0.062,"unit":"kilograms per 1,000 m³ of flow","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the …"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"eeec884b37d0a408","parameter":"Hexavalent chromium","value":"0.028","value_num":0.028,"unit":"kilograms per 1,000 m³ of flow","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","existing sources (BAT)","(2) If contaminated runoff is commingled or treated with process wastewater, or if wastewater consisting solely of contaminated runoff which exceeds 110 mg/l TOC is not commingled or treated with any other type of wastewater, the quantity of pollutants discharged shall not exceed the quantity determined by multiplying the flow of contaminated runoff as determined by the permit writer times the …"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.23 (BAT)","page":null,"quote":"Hexavalent chromium 0.062 0.028"}},{"id":"2bdef93e4fa98984","parameter":"Hexavalent chromium","value":"0.020","value_num":0.02,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.26 (NSPS)","page":null,"quote":"Hexavalent chromium 0.020 0.0088"}},{"id":"881275d31272d0f7","parameter":"Hexavalent chromium","value":"0.0088","value_num":0.0088,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart B—Cracking Subcategory","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following new source performance standards (NSPS):"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.26 (NSPS)","page":null,"quote":"Hexavalent chromium 0.020 0.0088"}},{"id":"927f186024de7f19","parameter":"Hexavalent chromium","value":"0.046","value_num":0.046,"unit":"kilograms per 1,000 m³ of feedstock","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:18540-29-9","place":["US"],"conditions":["route is direct","cites is 40 CFR 419","the discharge is of the Subpart C—Petrochemical Subcategory","existing sources (BPT)"],"cite":{"instrument":"us_40cfr419","title":"40 CFR Part 419 — PART 419—PETROLEUM REFINING 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=419","source_sha256":"3bac23cae59f82ac6f96310d28b2d8904c650932053de79f037f6d4f6d3db849","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 419.32 (BPT)","page":null,"quote":"Hexavalent chromium 0.046 0.020"}}],"next":[{"tool":"check_values","says":"Has your user measured this? check_values sets each of their results beside every row held here, with a verdict and the row's cite.","arguments":{"place":"US-CO"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chromium vi\", value, unit}, ...], any other 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