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Chromium (VI) b 18540299 16 i,m,w 11 i,m,w 1100 i,m 50 i,m n n","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"c1265b24f513bab6","parameter":"Chromium (VI)","value":"1100 i,m","value_num":1100,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CA"],"conditions":["receiving_water is marine","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","saltwater criteria: waters whose salinity is 10 parts per thousand or more 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"5b. Chromium (VI) b 18540299 16 i,m,w 11 i,m,w 1100 i,m 50 i,m n n","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"1e9be3c36dbc9440","parameter":"Chromium (VI)","value":"50 i,m","value_num":50,"unit":"µg/L","statistic":"four_day_avg","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CA"],"conditions":["receiving_water is marine","inland surface waters and enclosed bays and estuaries of California (not ocean waters, which the Ocean Plan covers) (40 CFR 131.38(a), (d)(1))","saltwater criteria: waters whose salinity is 10 parts per thousand or more 95% or more of the time; between 1 and 10 ppt the more stringent of the freshwater and saltwater criteria applies (40 CFR 131.38(c)(3))"],"cite":{"instrument":"us_ca_ctr","title":"California Toxics Rule, 40 CFR 131.38: numeric criteria for priority toxic pollutants for California's inland surface waters and enclosed bays and estuaries (freshwater and saltwater CMC/CCC, human health)","issuer":"US Environmental Protection Agency (promulgated for the State of California)","edition":"40 CFR 131.38(b)(1) Table 1 as republished in full by the final rule 'Water Quality Standards; Establishment of a Numeric Criterion for Selenium for the State of California' (89 FR 101914, December 17, 2024), the table eCFR serves today (as images); paragraphs (c)-(d) from eCFR as of 2026-10-01","source_url":"https://www.govinfo.gov/content/pkg/FR-2024-12-17/pdf/2024-29483.pdf","source_sha256":"563001982d0d74d96f6eb7222df4c125bf5e9809c77ab2f84ff948a3b87edfe2","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 131.38(b)(1) Table 1","page":16,"quote":"5b. Chromium (VI) b 18540299 16 i,m,w 11 i,m,w 1100 i,m 50 i,m n n","transcription":"OCR text layer of a printed table image (Federal Register); the image itself is the authority"}},{"id":"e6c08e89c6fc4dce","parameter":"Chromium VI","value":"2.0E+00","value_num":2,"unit":"µg/L","direction":"max","kind":"guideline","medium":"groundwater","level":"regional","parameter_key":"cas:18540-29-9","place":["US-CA"],"conditions":["Tier 1 ESLs: one level per chemical and medium for a generic site (residential land use, groundwater a drinking-water resource, shallow soil); a screening level is not a cleanup standard"],"cite":{"instrument":"us_ca_esl_groundwater","title":"California, San Francisco Bay RWQCB — Environmental Screening Levels (ESLs), Tier 1, 2025 (Rev. 4) — groundwater","issuer":"San Francisco Bay Regional Water Quality Control Board","edition":"2025 (Rev. 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(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 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 (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":"f7aa6927893b9926","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 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":"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"}}],"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-CA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"chromium vi\", value, unit}, ...], any other parameters too."},"post":"/api/v1/check"},{"tool":"read_certificate","says":"Has your user a laboratory certificate? read_certificate reads every row it prints, each with its page, and checks them against these limits.","arguments":{"place":"US-CA"},"needs":{"content_base64":"The laboratory's certificate (PDF) or its XLSX, XLS or CSV export, as base64; or file_url, a public https address of it."},"post":"/api/v1/certificate"}]}