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Ask for one by its name or CAS number."}},"total":34,"offset":0,"returned":34,"next_offset":null,"rows":[{"id":"8a3b1f0b79ebbe86","parameter":"Thallium","value":"0.017","value_num":0.017,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-28-0","place":["US-ID"],"conditions":["receiving_water is freshwater","surface waters designated for domestic water supply use (Table 2 'Water & Fish'; IDAPA 58.01.02.210.01.b)"],"cite":{"instrument":"us_id_wqs","title":"Idaho IDAPA 58.01.02 Water Quality Standards Section 210: numeric criteria for toxic substances for waters designated for aquatic life, recreation, or domestic water supply use; Section 250 aquatic life pH, dissolved gas and dissolved oxygen","issuer":"State of Idaho, Department of Environmental Quality","edition":"IDAPA 58.01.02 effective June 10, 2026, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/idwqs.pdf","source_sha256":"3097bd3c2e2328f792c1d9ad1287ae5caa7414d8370741ba339f72c9c8462654","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"IDAPA 58.01.02.210 Table 2","page":152,"quote":null}},{"id":"acc43d51451dc39d","parameter":"Thallium","value":"0.023","value_num":0.023,"unit":"µg/L","direction":"max","kind":"guideline","medium":"surface_water","level":"regional","parameter_key":"cas:7440-28-0","place":["US-ID"],"conditions":["receiving_water is freshwater","surface waters designated for primary or secondary contact recreation use (Table 2 'Fish Only'; IDAPA 58.01.02.210.01.b)"],"cite":{"instrument":"us_id_wqs","title":"Idaho IDAPA 58.01.02 Water Quality Standards Section 210: numeric criteria for toxic substances for waters designated for aquatic life, recreation, or domestic water supply use; Section 250 aquatic life pH, dissolved gas and dissolved oxygen","issuer":"State of Idaho, Department of Environmental Quality","edition":"IDAPA 58.01.02 effective June 10, 2026, as US EPA posts it in effect for CWA purposes","source_url":"https://www.epa.gov/sites/default/files/2014-12/documents/idwqs.pdf","source_sha256":"3097bd3c2e2328f792c1d9ad1287ae5caa7414d8370741ba339f72c9c8462654","fetched_at":"2026-10-14","source_status":{"checked":"2026-10-15","status":"unchanged"},"section":"IDAPA 58.01.02.210 Table 2","page":152,"quote":null}},{"id":"1ce5583e4a209d85","parameter":"Thallium","value":"1.4","value_num":1.4,"unit":"mg/L","statistic":"composite","direction":"max","kind":"limit","medium":"product","level":"national","parameter_key":"cas:7440-28-0","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, Inorganic Constituents, wastewater standard","page":null,"quote":"Thallium 7440-28-0 1.4 0.20 mg/l TCLP"}},{"id":"6077d58f7ea7720d","parameter":"Thallium","value":"0.20 mg/l TCLP","value_num":0.2,"unit":"mg/L TCLP","statistic":"instant","direction":"max","kind":"limit","medium":"leachate","level":"national","parameter_key":"cas:7440-28-0","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, Inorganic Constituents, nonwastewater standard","page":null,"quote":"Thallium 7440-28-0 1.4 0.20 mg/l 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