Toxicity is determined by a laboratory procedure called the?

The Toxicity Characteristic Leaching Procedure (TCLP) is a standardized laboratory method used to assess the potential leachability of hazardous materials from waste. This procedure is crucial for determining whether a waste may be classified as hazardous under the Resource Conservation and Recovery Act (RCRA). The main goal of TCLP is to simulate landfill conditions by subjecting materials to a leaching process that might occur over time, allowing for the evaluation of how different substances in the waste might leach into groundwater.

TCLP specifically focuses on analyzing specific contaminants that could pose a risk to human health and the environment if leached into water supplies. By performing this test, environmental health specialists can identify and quantify the levels of toxic constituents, thereby helping in waste management decisions.

Other laboratory methods mentioned do not serve the same purpose as TCLP. While other methods may be related to environmental testing or specific types of waste characterizations, they do not specifically focus on evaluating toxicity through leachability in the same manner as the TCLP does.