40 C.F.R. § 266 app VII to Part 266
Current through September 30, 2024
Metals-TCLP Extract Concentration Limits
| Constituent | CAS No. | Concentration limits (mg/L) |
| Antimony | 7440-36-0 | 1xE + 00 |
| Arsenic | 7440-38-2 | 5xE + 00 |
| Barium | 7440-39-3 | 1xE + 02 |
| Beryllium | 7440-41-7 | 7xE-03 |
| Cadmium | 7440-43-9 | 1xE + 00 |
| Chromium | 7440-47-3 | 5xE + 00 |
| Lead | 7439-92-1 | 5xE + 00 |
| Mercury | 7439-97-6 | 2xE-01 |
| Nickel | 7440-02-0 | 7xE + 01 |
| Selenium | 7782-49-2 | 1xE + 00 |
| Silver | 7440-22-4 | 5xE + 00 |
| Thallium | 7440-28-0 | 7xE + 00 |
Nonmetals-Residue Concentration Limits
| Constituent | CAS No. | Concentration limits for residues (mg/kg) |
| Acetonitrile | 75-05-8 | 2xE-01 |
| Acetophenone | 98-86-2 | 4xE + 00 |
| Acrolein | 107-02-8 | 5xE-01 |
| Acrylamide | 79-06-1 | 2xE-04 |
| Acrylonitrile | 107-13-1 | 7xE-04 |
| Aldrin | 309-00-2 | 2xE-05 |
| Allyl alcohol | 107-18-6 | 2xE-01 |
| Aluminum phosphide | 20859-73-8 | 1xE-02 |
| Aniline | 62-53-3 | 6xE-02 |
| Barium cyanide | 542-62-1 | 1xE + 00 |
| Benz(a)anthracene | 56-55-3 | 1xE-04 |
| Benzene | 71-43-2 | 5xE-03 |
| Benzidine | 92-87-5 | 1xE-06 |
| Bis(2-chloroethyl) ether | 111-44-4 | 3xE-04 |
| Bis(chloromethyl) ether | 542-88-1 | 2xE-06 |
| Bis(2-ethylhexyl) phthalate | 117-81-7 | 3xE + 01 |
| Bromoform | 75-25-2 | 7xE-01 |
| Calcium cyanide | 592-01-8 | 1xE-06 |
| Carbon disulfide | 75-15-0 | 4xE + 00 |
| Carbon tetrachloride | 56-23-5 | 5xE-03 |
| Chlordane | 57-74-9 | 3xE-04 |
| Chlorobenzene | 108-90-7 | 1xE + 00 |
| Chloroform | 67-66-3 | 6xE-02 |
| Copper cyanide | 544-92-3 | 2xE-01 |
| Cresols (Cresylic acid) | 1319-77-3 | 2xE + 00 |
| Cyanogen | 460-19-5 | 1xE + 00 |
| DDT | 50-29-3 | 1xE-03 |
| Dibenz(a, h)-anthracene | 53-70-3 | 7xE-06 |
| 1,2-Dibromo-3-chloropropane | 96-12-8 | 2xE-05 |
| p-Dichlorobenzene | 106-46-7 | 7.5xE-02 |
| Dichlorodifluoromethane | 75-71-8 | 7xE + 00 |
| 1,1-Dichloroethylene | 75-35-4 | 5xE-03 |
| 2,4-Dichlorophenol | 120-83-2 | 1xE-01 |
| 1,3-Dichloropropene | 542-75-6 | 1xE-03 |
| Dieldrin | 60-57-1 | 2xE-05 |
| Diethyl phthalate | 84-66-2 | 3xE + 01 |
| Diethylstilbesterol | 56-53-1 | 7xE-07 |
| Dimethoate | 60-51-5 | 3xE-02 |
| 2,4-Dinitrotoluene | 121-14-2 | 5xE-04 |
| Diphenylamine | 122-39-4 | 9xE-01 |
| 1,2-Diphenylhydrazine | 122-66-7 | 5xE-04 |
| Endosulfan | 115-29-7 | 2xE-03 |
| Endrin | 72-20-8 | 2xE-04 |
| Epichlorohydrin | 106-89-8 | 4xE-02 |
| Ethylene dibromide | 106-93-4 | 4xE-07 |
| Ethylene oxide | 75-21-8 | 3xE-04 |
| Fluorine | 7782-41-4 | 4xE + 00 |
| Formic acid | 64-18-6 | 7xE + 01 |
| Heptachlor | 76-44-8 | 8xE-05 |
| Heptachlor epoxide | 1024-57-3 | 4xE-05 |
| Hexachlorobenzene | 118-74-1 | 2xE-04 |
| Hexachlorobutadiene | 87-68-3 | 5xE-03 |
| Hexachlorocyclopentadiene | 77-47-4 | 2xE-01 |
| Hexachlorodibenzo-p-dioxins | 19408-74-3 | 6xE-08 |
| Hexachloroethane | 67-72-1 | 3xE-02 |
| Hydrazine | 302-01-1 | 1xE-04 |
| Hydrogen cyanide | 74-90-8 | 7xE-05 |
| Hydrogen sulfide | 7783-06-4 | 1xE-06 |
| Isobutyl alcohol | 78-83-1 | 1xE + 01 |
| Methomyl | 16752-77-5 | 1xE + 00 |
| Methoxychlor | 72-43-5 | 1xE-01 |
| 3-Methylcholanthrene | 56-49-5 | 4xE-05 |
| 4,4'-Methylenebis (2-chloroaniline) | 101-14-4 | 2xE-03 |
| Methylene chloride | 75-09-2 | 5xE-02 |
| Methyl ethyl ketone (MEK) | 78-93-3 | 2xE + 00 |
| Methyl hydrazine | 60-34-4 | 3xE-04 |
| Methyl parathion | 298-00-0 | 2xE-02 |
| Naphthalene | 91-20-3 | 1xE + 01 |
| Nickel cyanide | 557-19-7 | 7xE-01 |
| Nitric oxide | 10102-43-9 | 4xE + 00 |
| Nitrobenzene | 98-95-3 | 2xE-02 |
| N-Nitrosodi-n-butylamine | 924-16-3 | 6xE-05 |
| N-Nitrosodiethylamine | 55-18-5 | 2xE-06 |
| N-Nitroso-N-methylurea | 684-93-5 | 1xE-07 |
| N-Nitrosopyrrolidine | 930-55-2 | 2xE-04 |
| Pentachlorobenzene | 608-93-5 | 3xE-02 |
| Pentachloronitrobenzene (PCNB) | 82-68-8 | 1xE-01 |
| Pentachlorophenol | 87-86-5 | 1xE + 00 |
| Phenol | 108-95-2 | 1xE + 00 |
| Phenylmercury acetate | 62-38-4 | 3xE-03 |
| Phosphine | 7803-51-2 | 1xE-02 |
| Polychlorinated biphenyls, N.O.S | 1336-36-3 | 5xE-05 |
| Potassium cyanide | 151-50-8 | 2xE + 00 |
| Potassium silver cyanide | 506-61-6 | 7xE + 00 |
| Pronamide | 23950-58-5 | 3xE + 00 |
| Pyridine | 110-86-1 | 4xE-02 |
| Reserpine | 50-55-5 | 3xE-05 |
| Selenourea | 630-10-4 | 2xE-01 |
| Silver cyanide | 506-64-9 | 4xE + 00 |
| Sodium cyanide | 143-33-9 | 1xE + 00 |
| Strychnine | 57-24-9 | 1xE-02 |
| 1,2,4,5-Tetrachlorobenzene | 95-94-3 | 1xE-02 |
| 1,1,2,2-tetrachloroethane | 79-34-5 | 2xE-03 |
| Tetrachloroethylene | 127-18-4 | 7xE-01 |
| 2,3,4,6-Tetrachlorophenol | 58-90-2 | 1xE-02 |
| Tetraethyl lead | 78-00-2 | 4xE-06 |
| Thiourea | 62-56-6 | 2xE-04 |
| Toluene | 108-88-3 | 1xE + 01 |
| Toxaphene | 8001-35-2 | 5xE-03 |
| 1,1,2-Trichloroethane | 79-00-5 | 6xE-03 |
| Trichloroethylene | 79-01-6 | 5xE-03 |
| Trichloromonofluoromethane | 75-69-4 | 1xE + 01 |
| 2,4,5-Trichlorophenol | 95-95-4 | 4xE + 00 |
| 2,4,6-Trichlorophenol | 88-06-2 | 4xE + 00 |
| Vanadium pentoxide | 1314-62-1 | 7xE-01 |
| Vinyl chloride | 75-01-4 | 2xE-03 |
* Note 1: The 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.
Note 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 § 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) .
40 C.F.R. 266 app VII to Part 266