{"data":{"id":"us/40-cfr-appendix-vii-to-part-266","jurisdiction":"us","citation":"40 CFR Appendix VII to Part 266","heading":"Appendix VII to Part 266—Health-Based Limits for Exclusion of Waste-Derived Residues*","body":"Metals—TCLP Extract Concentration Limits\nConstituent CAS No. Concentration limits (mg/L)\nAntimony 7440-36-0 1xE + 00\nArsenic 7440-38-2 5xE + 00\nBarium 7440-39-3 1xE + 02\nBeryllium 7440-41-7 7xE−03\nCadmium 7440-43-9 1xE + 00\nChromium 7440-47-3 5xE + 00\nLead 7439-92-1 5xE + 00\nMercury 7439-97-6 2xE−01\nNickel 7440-02-0 7xE + 01\nSelenium 7782-49-2 1xE + 00\nSilver 7440-22-4 5xE + 00\nThallium 7440-28-0 7xE + 00\nNonmetals—Residue Concentration Limits\nConstituent CAS No. Concentration limits for residues (mg/kg)\nAcetonitrile 75-05-8 2xE−01\nAcetophenone 98-86-2 4xE + 00\nAcrolein 107-02-8 5xE−01\nAcrylamide 79-06-1 2xE−04\nAcrylonitrile 107-13-1 7xE−04\nAldrin 309-00-2 2xE−05\nAllyl alcohol 107-18-6 2xE−01\nAluminum phosphide 20859-73-8 1xE−02\nAniline 62-53-3 6xE−02\nBarium cyanide 542-62-1 1xE + 00\nBenz(a)anthracene 56-55-3 1xE−04\nBenzene 71-43-2 5xE−03\nBenzidine 92-87-5 1xE−06\nBis(2-chloroethyl) ether 111-44-4 3xE−04\nBis(chloromethyl) ether 542-88-1 2xE−06\nBis(2-ethylhexyl) phthalate 117-81-7 3xE + 01\nBromoform 75-25-2 7xE−01\nCalcium cyanide 592-01-8 1xE−06\nCarbon disulfide 75-15-0 4xE + 00\nCarbon tetrachloride 56-23-5 5xE−03\nChlordane 57-74-9 3xE−04\nChlorobenzene 108-90-7 1xE + 00\nChloroform 67-66-3 6xE−02\nCopper cyanide 544-92-3 2xE−01\nCresols (Cresylic acid) 1319-77-3 2xE + 00\nCyanogen 460-19-5 1xE + 00\nDDT 50-29-3 1xE−03\nDibenz(a, h)-anthracene 53-70-3 7xE−06\n1,2-Dibromo-3-chloropropane 96-12-8 2xE−05\np-Dichlorobenzene 106-46-7 7.5xE−02\nDichlorodifluoromethane 75-71-8 7xE + 00\n1,1-Dichloroethylene 75-35-4 5xE−03\n2,4-Dichlorophenol 120-83-2 1xE−01\n1,3-Dichloropropene 542-75-6 1xE−03\nDieldrin 60-57-1 2xE−05\nDiethyl phthalate 84-66-2 3xE + 01\nDiethylstilbesterol 56-53-1 7xE−07\nDimethoate 60-51-5 3xE−02\n2,4-Dinitrotoluene 121-14-2 5xE−04\nDiphenylamine 122-39-4 9xE−01\n1,2-Diphenylhydrazine 122-66-7 5xE−04\nEndosulfan 115-29-7 2xE−03\nEndrin 72-20-8 2xE−04\nEpichlorohydrin 106-89-8 4xE−02\nEthylene dibromide 106-93-4 4xE−07\nEthylene oxide 75-21-8 3xE−04\nFluorine 7782-41-4 4xE + 00\nFormic acid 64-18-6 7xE + 01\nHeptachlor 76-44-8 8xE−05\nHeptachlor epoxide 1024-57-3 4xE−05\nHexachlorobenzene 118-74-1 2xE−04\nHexachlorobutadiene 87-68-3 5xE−03\nHexachlorocyclopentadiene 77-47-4 2xE−01\nHexachlorodibenzo-p-dioxins 19408-74-3 6xE−08\nHexachloroethane 67-72-1 3xE−02\nHydrazine 302-01-1 1xE−04\nHydrogen cyanide 74-90-8 7xE−05\nHydrogen sulfide 7783-06-4 1xE−06\nIsobutyl alcohol 78-83-1 1xE + 01\nMethomyl 16752-77-5 1xE + 00\nMethoxychlor 72-43-5 1xE−01\n3-Methylcholanthrene 56-49-5 4xE−05\n4,4′-Methylenebis (2-chloroaniline) 101-14-4 2xE−03\nMethylene chloride 75-09-2 5xE−02\nMethyl ethyl ketone (MEK) 78-93-3 2xE + 00\nMethyl hydrazine 60-34-4 3xE−04\nMethyl parathion 298-00-0 2xE−02\nNaphthalene 91-20-3 1xE + 01\nNickel cyanide 557-19-7 7xE−01\nNitric oxide 10102-43-9 4xE + 00\nNitrobenzene 98-95-3 2xE−02\nN-Nitrosodi-n-butylamine 924-16-3 6xE−05\nN-Nitrosodiethylamine 55-18-5 2xE−06\nN-Nitroso-N-methylurea 684-93-5 1xE−07\nN-Nitrosopyrrolidine 930-55-2 2xE−04\nPentachlorobenzene 608-93-5 3xE−02\nPentachloronitrobenzene (PCNB) 82-68-8 1xE−01\nPentachlorophenol 87-86-5 1xE + 00\nPhenol 108-95-2 1xE + 00\nPhenylmercury acetate 62-38-4 3xE−03\nPhosphine 7803-51-2 1xE−02\nPolychlorinated biphenyls, N.O.S 1336-36-3 5xE−05\nPotassium cyanide 151-50-8 2xE + 00\nPotassium silver cyanide 506-61-6 7xE + 00\nPronamide 23950-58-5 3xE + 00\nPyridine 110-86-1 4xE−02\nReserpine 50-55-5 3xE−05\nSelenourea 630-10-4 2xE−01\nSilver cyanide 506-64-9 4xE + 00\nSodium cyanide 143-33-9 1xE + 00\nStrychnine 57-24-9 1xE−02\n1,2,4,5-Tetrachlorobenzene 95-94-3 1xE−02\n1,1,2,2-tetrachloroethane 79-34-5 2xE−03\nTetrachloroethylene 127-18-4 7xE−01\n2,3,4,6-Tetrachlorophenol 58-90-2 1xE−02\nTetraethyl lead 78-00-2 4xE−06\nThiourea 62-56-6 2xE−04\nToluene 108-88-3 1xE + 01\nToxaphene 8001-35-2 5xE−03\n1,1,2-Trichloroethane 79-00-5 6xE−03\nTrichloroethylene 79-01-6 5xE−03\nTrichloromonofluoromethane 75-69-4 1xE + 01\n2,4,5-Trichlorophenol 95-95-4 4xE + 00\n2,4,6-Trichlorophenol 88-06-2 4xE + 00\nVanadium pentoxide 1314-62-1 7xE−01\nVinyl chloride 75-01-4 2xE−03\n* Note 1:\nThe health-based concentration limits for appendix VIII part 261 constituents for which a health-based concentration is not provided below is 2xE−06 mg/kg.\nNote 2:\nThe levels specified in this appendix and the default level of 0.002 micrograms per kilogram or the level of detection for constituents as identified in Note 1 of this appendix are administratively stayed under the condition, for those constituents specified in § 266.112(b)(1), that the owner or operator complies with alternative levels defined as the land disposal restriction limits specified in § 268.43 of this chapter for FO39 nonwastewaters. See § 266.112(b)(2)(i).","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER I—SOLID WASTES","PART 266—STANDARDS FOR THE MANAGEMENT OF SPECIFIC HAZARDOUS WASTES AND SPECIFIC TYPES OF HAZARDOUS WASTE MANAGEMENT FACILITIES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"dfe6397769dc680c94d8cefc2f62517ad9c1eaf99e6a642c4ebd767332a2aa04","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-appendix-vi-to-part-266","next":"us/40-cfr-appendix-viii-to-part-266"},"notice":"GroundRules: Original legal text. Not legal advice."}