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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":"D031 Heptachlor (and its epoxide) 76-44-8 0.008"}},{"id":"0bfc9b6c9ce00caa","parameter":"Heptachlor","value":"0.0012","value_num":0.0012,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:76-44-8","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. 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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":"Heptachlor 76-44-8 0.0012 0.066"}},{"id":"10e45544b1bc6172","parameter":"Heptachlor","value":"0.066","value_num":0.066,"unit":"mg/kg","statistic":"instant","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:76-44-8","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. 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