Table 7Metals-TCLP Extract Concentration LimitsConstituentCAS No.Concentration limits (mg/L)Antimony7440-36-01xE + 00Arsenic7440-38-25xE + 00Barium7440-39-31xE + 02Beryllium7440-41-77xE−03Cadmium7440-43-91xE + 00Chromium7440-47-35xE + 00Lead7439-92-15xE + 00Mercury7439-97-62xE−01Nickel7440-02-07xE + 01Selenium7782-49-21xE + 00Silver7440-22-45xE + 00Thallium7440-28-07xE + 00Nonmetals-Residue Concentration LimitsConstituentCAS No.Concentration limits for residues (mg/kg)Acetonitrile75-05-82xE−01Acetophenone98-86-24xE + 00Acrolein107-02-85xE−01Acrylamide79-06-12xE−04Acrylonitrile107-13-17xE−04Aldrin309-00-22xE−05Allyl alcohol107-18-62xE−01Aluminum phosphide20859-73-81xE−02Aniline62-53-36xE−02Barium cyanide542-62-11xE + 00Benz(a)anthracene56-55-31xE−04Benzene71-43-25xE−03Benzidine92-87-51xE−06Bis(2-chloroethyl) ether111-44-43xE−04Bis(chloromethyl) ether542-88-12xE−06Bis(2-ethylhexyl) phthalate117-81-73xE + 01Bromoform75-25-27xE−01Calcium cyanide592-01-81xE−06Carbon disulfide75-15-04xE + 00Carbon tetrachloride56-23-55xE−03Chlordane57-74-93xE−04Chlorobenzene108-90-71xE + 00Chloroform67-66-36xE−02Copper cyanide544-92-32xE−01Cresols (Cresylic acid)1319-77-32xE + 00Cyanogen460-19-51xE + 00DDT50-29-31xE−03Dibenz(a, h)-anthracene53-70-37xE−061,2-Dibromo-3-chloropropane96-12-82xE−05p-Dichlorobenzene106-46-77.5xE−02

Dichlorodifluoromethane75-71-87xE + 001,1-Dichloroethylene75-35-45xE−032,4-Dichlorophenol120-83-21xE−011,3-Dichloropropene542-75-61xE−03Dieldrin60-57-12xE−05Diethyl phthalate84-66-23xE + 01Diethylstilbesterol56-53-17xE−07Dimethoate60-51-53xE−022,4-Dinitrotoluene121-14-25xE−04Diphenylamine122-39-49xE−011,2-Diphenylhydrazine122-66-75xE−04Endosulfan115-29-72xE−03Endrin72-20-82xE−04Epichlorohydrin106-89-84xE−02Ethylene dibromide106-93-44xE−07Ethylene oxide75-21-83xE−04Fluorine7782-41-44xE + 00Formic acid64-18-67xE + 01Heptachlor76-44-88xE−05Heptachlor epoxide1024-57-34xE−05Hexachlorobenzene118-74-12xE−04Hexachlorobutadiene87-68-35xE−03Hexachlorocyclopentadiene77-47-42xE−01Hexachlorodibenzo-p-dioxins19408-74-36xE−08Hexachloroethane67-72-13xE−02Hydrazine302-01-11xE−04Hydrogen cyanide74-90-87xE−05Hydrogen sulfide7783-06-41xE−06Isobutyl alcohol78-83-11xE + 01Methomyl16752-77-51xE + 00Methoxychlor72-43-51xE−013-Methylcholanthrene56-49-54xE−054,4′-Methylenebis (2-chloroaniline)101-14-42xE−03Methylene chloride75-09-25xE−02Methyl ethyl ketone (MEK)78-93-32xE + 00Methyl hydrazine60-34-43xE−04Methyl parathion298-00-02xE−02Naphthalene91-20-31xE + 01Nickel cyanide557-19-77xE−01Nitric oxide10102-43-94xE + 00Nitrobenzene98-95-32xE−02N-Nitrosodi-n-butylamine924-16-36xE−05N-Nitrosodiethylamine55-18-52xE−06N-Nitroso-N-methylurea684-93-51xE−07N-Nitrosopyrrolidine930-55-22xE−04Pentachlorobenzene608-93-53xE−02Pentachloronitrobenzene (PCNB)82-68-81xE−01Pentachlorophenol87-86-51xE + 00Phenol108-95-21xE + 00Phenylmercury acetate62-38-43xE−03Phosphine7803-51-21xE−02Polychlorinated biphenyls, N.O.S1336-36-35xE−05Potassium cyanide151-50-82xE + 00Potassium silver cyanide506-61-67xE + 00Pronamide23950-58-53xE + 00Pyridine110-86-14xE−02Reserpine50-55-53xE−05Selenourea630-10-42xE−01

Silver cyanide506-64-94xE + 00Sodium cyanide143-33-91xE + 00Strychnine57-24-91xE−021,2,4,5-Tetrachlorobenzene95-94-31xE−021,1,2,2-tetrachloroethane79-34-52xE−03Tetrachloroethylene127-18-47xE−012,3,4,6-Tetrachlorophenol58-90-21xE−02Tetraethyl lead78-00-24xE−06Thiourea62-56-62xE−04Toluene108-88-31xE + 01Toxaphene8001-35-25xE−031,1,2-Trichloroethane79-00-56xE−03Trichloroethylene79-01-65xE−03Trichloromonofluoromethane75-69-41xE + 012,4,5-Trichlorophenol95-95-44xE + 002,4,6-Trichlorophenol88-06-24xE + 00Vanadium pentoxide1314-62-17xE−01Vinyl chloride75-01-42xE−03*1: The health-based concentration limits for appendix VIII Rule R315-261 constituents for which a health-based concentration is not provided is 2xE−06 mg/kg.2: The 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 Subsection R315-266-112(b)(1), that the owner or operator complies with alternative levels defined as the land disposal restriction limits specified in Section R315-268-43 for FO39 nonwastewaters. See Subsection R315-266-112(b)(2)(i).

KEY: hazardous waste

Date of Last Change: November 17, 2025

Notice of Continuation: December 11, 2025

Authorizing, and Implemented or Interpreted Law: 19-6-105; 19-6-106