Testing for a Hazardous Waste

The federal regulations regarding the determination of hazardous wastes (40 CFR 261) were revised effective September 25, 1990, to replace the Extraction Procedure Toxicity Characteristic (EP Toxic) with the Toxicity Characteristic Leaching Procedure (TCLP).

Information about the TC final rule can be obtained from the March 29, 1990, Federal Register (55 FR 11798 - 11877).

Further information regarding the TC Rule can be obtained from the RCRA / Superfund Hotline (1 800-424-9346).