{"query":{"parameter":"methyl ethyl ketone","place":"US-LA","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-LA","US"],"parameter_keys":["cas:108-10-1","cas:78-93-3","cas:1338-23-4","cas:96-29-7","cas:5077-67-8","cas:13547-70-1","cas:39196-18-4","cas:699-17-2","cas:590-90-9","cas:2550-26-7","cas:2224-33-1","cas:22984-54-9","cas:75-97-8","cas:123-42-2"],"names_matched":[["methyl ethyl ketone","cas:108-10-1"],["methyl ethyl ketone","cas:78-93-3"],["methyl ethyl ketone peroxide","cas:1338-23-4"],["methyl ethyl ketoxime ethyl methyl ketone oxime","cas:96-29-7"],["1 hydroxy 2 butanone","cas:5077-67-8","2 butanone"],["2 butanone 1 chloro 3 3 dimethyl","cas:13547-70-1","2 butanone"],["2 butanone 1 hydroxy","cas:5077-67-8","2 butanone"],["2 butanone 3 3 dimethyl 1 methylthio o methylamino carbonyl oxime","cas:39196-18-4","2 butanone"],["2 butanone 4 2 furanyl","cas:699-17-2","2 butanone"],["2 butanone 4 hydroxy","cas:590-90-9","2 butanone"],["2 butanone 4 phenyl","cas:2550-26-7","2 butanone"],["2 butanone o o o ethenylsilylidyne trioxime","cas:2224-33-1","2 butanone"],["2 butanone o o o methylsilylidyne trioxime","cas:22984-54-9","2 butanone"],["2 butanone peroxide","cas:1338-23-4","2 butanone"],["3 3 dimethyl 2 butanone","cas:75-97-8","2 butanone"],["4 hydroxy 2 butanone","cas:590-90-9","2 butanone"],["4 phenyl 2 butanone","cas:2550-26-7","2 butanone"],["4 2 furyl butan 2 one","cas:699-17-2","butan 2 one"],["methyl ethyl cetone peroxyde de","cas:1338-23-4","methyl ethyl cetone"],["4 hydroxy 4 methyl 2 pentanone","cas:123-42-2","4 methyl 2 pentanone"],["diacetone alcohol 4 hydroxy 4 methyl 2 pentanone","cas:123-42-2","4 methyl 2 pentanone"]],"match":"exact+contains","order":"The place's own instruments first, then each place above it, each in its register's order","not_sent":{"rows":4,"names":["Thiofanox"],"says":"4 rows share a parameter key with a longer name holding \"methyl ethyl ketone\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"methyl ethyl ketone\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":37,"offset":0,"returned":37,"next_offset":null,"rows":[{"id":"e9d09b683a6c9f1f","parameter":"Methyl isobutyl ketone","value":"15,000.0","value_num":15000,"unit":"lb/yr","direction":"max","kind":"threshold","medium":"air_emission","level":"regional","parameter_key":"cas:108-10-1","place":["US-LA"],"conditions":["the source is a major source of toxic air pollutants (5103)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.1 Class III","page":null,"quote":"Methyl isobutyl ketone 108-10-1 MIBK 15,000.0"}},{"id":"371b325dfbbcbe33","parameter":"Methyl isobutyl ketone","value":"4,880.00","value_num":4880,"unit":"µg/m³","statistic":"eight_hour_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:108-10-1","place":["US-LA"],"conditions":["a major source at or above the minimum emission rate demonstrates it (5109.B)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.2 Class III","page":null,"quote":"Methyl isobutyl ketone 108-10-1 III 4,880.00"}},{"id":"c337d575884d31ba","parameter":"Methyl ethyl ketone","value":"20,000.0","value_num":20000,"unit":"lb/yr","direction":"max","kind":"threshold","medium":"air_emission","level":"regional","parameter_key":"cas:78-93-3","place":["US-LA"],"conditions":["the source is a major source of toxic air pollutants (5103)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.1 Class III","page":null,"quote":"Methyl ethyl ketone 78-93-3 MEK 20,000.0"}},{"id":"995d5e700e38adbc","parameter":"Methyl ethyl ketone","value":"14,000.00","value_num":14000,"unit":"µg/m³","statistic":"eight_hour_avg","direction":"max","kind":"limit","medium":"ambient_air","level":"regional","parameter_key":"cas:78-93-3","place":["US-LA"],"conditions":["a major source at or above the minimum emission rate demonstrates it (5109.B)"],"cite":{"instrument":"us_la_lac33_iii_5112","title":"LAC 33:III.5112 — Toxic air pollutants: minimum emission rates (Table 51.1) and ambient air standards (Table 51.2)","issuer":null,"edition":"LII transcription of LAC 33:III.5112 (fetched 2026-09-25)","source_url":"https://www.law.cornell.edu/regulations/louisiana/La-Admin-Code-tit-33-SS-III-5112","source_sha256":"ad168892d6da7f3e8eda05d066b3cf2a0018d9fefcd81676abc7ca5110cca6dc","fetched_at":"2026-09-25","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"Table 51.2 Class III","page":null,"quote":"Methyl ethyl ketone 78-93-3 III 14,000.00"}},{"id":"477c6b18827f701f","parameter":"Methyl isobutyl ketone","value":"0.14","value_num":0.14,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:108-10-1","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, wastewater standard","page":null,"quote":"Methyl isobutyl ketone 108-10-1 0.14 33"}},{"id":"2424b9a556ba4551","parameter":"Methyl isobutyl ketone","value":"33","value_num":33,"unit":"mg/kg","statistic":"instant","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:108-10-1","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, nonwastewater standard","page":null,"quote":"Methyl isobutyl ketone 108-10-1 0.14 33"}},{"id":"8b0d4ef3fc2ebf70","parameter":"4-methyl-2-pentanone","value":"0.5","value_num":0.5,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:108-10-1","place":["US"],"conditions":["route is direct","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","existing sources (BAT)","table: Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 439.14 (BAT)","page":null,"quote":"4-methyl-2-pentanone 0.5 0.2"}},{"id":"f69329c7c9918f95","parameter":"4-methyl-2-pentanone","value":"0.2","value_num":0.2,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:108-10-1","place":["US"],"conditions":["route is direct","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","existing sources (BAT)","table: Effluent Limitations (BAT)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 439.14 (BAT)","page":null,"quote":"4-methyl-2-pentanone 0.5 0.2"}},{"id":"49c19c1c9215d558","parameter":"4-methyl-2-pentanone","value":"0.5","value_num":0.5,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:108-10-1","place":["US"],"conditions":["route is direct","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following standards:","table: Performance Standards (NSPS)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 439.15 (NSPS)","page":null,"quote":"4-methyl-2-pentanone 0.5 0.2"}},{"id":"d7df7456f89c3f3b","parameter":"4-methyl-2-pentanone","value":"0.2","value_num":0.2,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:108-10-1","place":["US"],"conditions":["route is direct","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","new sources (NSPS)","(a) Any new source subject to this subpart must achieve the following standards:","table: Performance Standards (NSPS)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE CATEGORY","issuer":"U.S. Environmental Protection Agency","edition":"eCFR as of 2026-10-05","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-05/title-40.xml?part=439","source_sha256":"109ea8c5ee22a37622c2aa91dd21d79e528a5f9f3e9d01ecc8dc18c25b6afd9e","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 439.15 (NSPS)","page":null,"quote":"4-methyl-2-pentanone 0.5 0.2"}},{"id":"773abb1f69741fc1","parameter":"4-methyl-2-pentanone","value":"20.7","value_num":20.7,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"sewer","parameter_key":"cas:108-10-1","place":["US"],"conditions":["route is sewer","cites is 40 CFR 439","the discharge is of the Subpart A—Fermentation Products","existing sources (PSES)","table: Pretreatment Standards (PSES)"],"cite":{"instrument":"us_40cfr439","title":"40 CFR Part 439 — PART 439—PHARMACEUTICAL MANUFACTURING POINT SOURCE 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concentration equal to or greater than the respective value given in that table. Where the waste contains less than 0.5 percent filterable solids, the waste itself, after filtering using the methodology outlined in Method 1311, is considered to be the extract for the purpose of this section."],"cite":{"instrument":"us_40cfr261_24","title":"40 CFR 261.24 — Toxicity characteristic: Table 1, maximum concentration of contaminants for the toxicity characteristic (TCLP regulatory levels)","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 261.24 as of 2026-10-13 (title 40 up to date as of that day)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=261&section=261.24","source_sha256":"3a1ec9b0d3051c70e471e359275657b0fa6d98e80927d2217e82b2dbbca60961","fetched_at":"2026-10-15","section":"40 CFR 261.24, Table 1","page":null,"quote":"D035 Methyl ethyl ketone 78-93-3 200.0"}},{"id":"184c5e764fdee553","parameter":"Methyl ethyl ketone","value":"0.28","value_num":0.28,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, wastewater standard","page":null,"quote":"Methyl ethyl ketone 78-93-3 0.28 36"}},{"id":"09a3b8e4c4a0542e","parameter":"Methyl ethyl ketone","value":"36","value_num":36,"unit":"mg/kg","statistic":"instant","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["(a) Table UTS identifies the hazardous constituents, along with the nonwastewater and wastewater treatment standard levels, that are used to regulate most prohibited hazardous wastes with numerical limits. For determining compliance with treatment standards for underlying hazardous constituents as defined in § 268.2(i), these treatment standards may not be exceeded. Compliance with these treatment standards is measured by an analysis of grab samples, unless otherwise noted in the following Table UTS."],"cite":{"instrument":"us_40cfr268_48","title":"40 CFR 268.48 — Universal treatment standards: Table UTS, wastewater and nonwastewater treatment standards for the hazardous constituents of land-disposal-restricted wastes","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"eCFR, 40 CFR 268.48 as of 2026-10-13 (title 40 up to date as of that day; source note: 59 FR 48103, Sept. 19, 1994, as last amended at 76 FR 34156, June 13, 2011)","source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-10-13/title-40.xml?part=268&section=268.48","source_sha256":"70b2e58a6b1e228e2c204acc69b69fab0d5a0347e35d569959073c3dc3ee4adb","fetched_at":"2026-10-15","section":"40 CFR 268.48, Table UTS, Organic Constituents, nonwastewater standard","page":null,"quote":"Methyl ethyl ketone 78-93-3 0.28 36"}},{"id":"4336e8d375bc3561","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart C—Organics Treatment and Recovery","existing sources (BPT)","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.31 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"83613c1f6ab57eab","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart C—Organics Treatment and Recovery","existing sources (BPT)","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.31 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"3108bac8b73149d3","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(b) Combined waste receipts from subparts A, B, and C of this part. (1) As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"013a5c8e52363f0f","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(b) Combined waste receipts from subparts A, B, and C of this part. (1) As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"db591d071343f3b2","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(d) Combined waste receipts from subparts A and C of this part. (1) As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"372dcf7a894f1927","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(d) Combined waste receipts from subparts A and C of this part. (1) As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"bb17b7ef218e4163","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(e) Combined waste receipts from subparts B and C of this part. As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"ad5de2498869566e","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","existing sources (BPT)","(e) Combined waste receipts from subparts B and C of this part. As provided in § 437.42(a), any existing point source subject to this paragraph must achieve the following effluent limitations representing the application of BPT:","table: BPT Limitations"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.42 (BPT)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"5a96f4d1d61e0a8d","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(b) Combined waste receipts from subparts A, B and C of this part. (1) As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"9f87fd2271f9e1d5","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(b) Combined waste receipts from subparts A, B and C of this part. (1) As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"856a250d377831cb","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(d) Combined waste receipts from subparts A and C of this part. (1) As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"5483c52937c4e4fd","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(d) Combined waste receipts from subparts A and C of this part. (1) As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"3326dc274cdd30d0","parameter":"2-Butanone","value":"4.81","value_num":4.81,"unit":"mg/L","statistic":"daily_max","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(e) Combined waste receipts from subparts B and C of this part. As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"d9379cddec81615b","parameter":"2-Butanone","value":"1.85","value_num":1.85,"unit":"mg/L","statistic":"monthly_avg","direction":"max","kind":"limit","medium":"water_discharge","level":"national","route":"direct","parameter_key":"cas:78-93-3","place":["US"],"conditions":["route is direct","cites is 40 CFR 437","the discharge is of the Subpart D—Multiple Wastestreams","new sources (NSPS)","(e) Combined waste receipts from subparts B and C of this part. As provided in § 437.45(a), any new source subject to this paragraph must achieve the following performance standards:","table: Performance Standards"],"cite":{"instrument":"us_40cfr437","title":"40 CFR Part 437 — PART 437—THE CENTRALIZED WASTE TREATMENT 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=437","source_sha256":"8e0e010c4a042c3d2350a03bd7a7c8a98559afa3a2ffa45a702685c0621afd01","fetched_at":"2026-10-09","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"40 CFR 437.45 (NSPS)","page":null,"quote":"2-Butanone 4.81 1.85"}},{"id":"3525d1ccc56b92a5","parameter":"Methyl Ethyl Ketone (2-Butanone)","value":"27000","value_num":27000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["Resident Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"residentiel"}},{"id":"0b4f086a2cc1977d","parameter":"Methyl Ethyl Ketone (2-Butanone)","value":"190000","value_num":190000,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["Industrial Soil (mg/kg)"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"sols","column":"industriel"}},{"id":"da3cb86cc673e499","parameter":"Methyl Ethyl Ketone (2-Butanone)","value":"1.2","value_num":1.2,"unit":"mg/kg","direction":"max","kind":"guideline","medium":"soil","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["Protection of Groundwater SSLs: Risk-based SSL (mg/kg); SSL values are based on DAF=1"],"cite":{"instrument":"us_rsl_soil","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Soil","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"ssl","column":"risque"}},{"id":"3ae32db561b136b2","parameter":"Methyl Ethyl Ketone (2-Butanone)","value":"5600","value_num":5600,"unit":"µg/L","direction":"max","kind":"guideline","medium":"drinking_water","level":"national","parameter_key":"cas:78-93-3","place":["US"],"conditions":["Tap Water (ug/L): Regional Screening Level (RSL) Summary Table (TR=1E-06, HQ=1) November 2024"],"cite":{"instrument":"us_rsl_tapwater","title":"US EPA — Regional Screening Levels (RSLs), Summary Table (TR=1E-06, THQ=1.0), November 2024 — Tap Water","issuer":"U.S. Environmental Protection Agency (EPA)","edition":"November 2024","source_url":"https://semspub.epa.gov/src/document/HQ/405270","source_sha256":"0160dc81b4f55d738a354a74de92488f149946ebfa7c6a6c64592f45348043d7","fetched_at":"2026-09-19","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":null,"page":null,"quote":null,"table":"eau","column":"eau_robinet"}}],"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-LA"},"needs":{"rows":"Your user's measured results, as their table prints them: [{parameter: \"methyl ethyl ketone\", 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-LA"},"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"}]}