{"query":{"parameter":"methyl isobutyl ketone","place":"US-NC","medium":null,"statistic":null,"kind":null},"searched":{"places":["US-NC","US"],"parameter_keys":["cas:108-10-1","cas:78-93-3","cas:1338-23-4","cas:96-29-7","cas:123-42-2"],"names_matched":[["methyl isobutyl ketone","cas:108-10-1"],["2 butanone methyl ethyl ketone mek","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone 2 butanone","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone 2 butanone mek","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone mek","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone mek 2 butanone","cas:78-93-3","methyl ethyl ketone"],["methyl ethyl ketone peroxide","cas:1338-23-4","methyl ethyl ketone"],["methyl ethyl ketoxime ethyl methyl ketone oxime","cas:96-29-7","methyl ethyl ketone"],["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":21,"names":["2-Butanone","Methyl Ethyl Ketone (2-Butanone)","Methyl ethyl ketone"],"says":"21 rows share a parameter key with a longer name holding \"methyl isobutyl ketone\" but are printed under names without these words (that key is wider than the name), or keyed to a CAS number \"methyl isobutyl ketone\" does not name (another substance, whatever words its name holds): not sent. Ask for one by its name or CAS number."}},"total":12,"offset":0,"returned":12,"next_offset":null,"rows":[{"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","source_status":{"checked":"2026-10-15","status":"not verified"},"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","source_status":{"checked":"2026-10-15","status":"not verified"},"section":"40 CFR 268.48, Table UTS, Organic Constituents, nonwastewater standard","page":null,"quote":"Methyl isobutyl ketone 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