5.2.4 Toxicity
A solid waste exhibits the characteristic of toxicity if, using the EPA’s Toxicity Characteristic Leaching Procedure (TCLP) test method, the extract from a representative sample of the waste contains any of the contaminants listed in Table 1 of 40 CFR 261.24 at the concentration equal to or greater than the respective value given in the table. There are 40 contaminants listed in Table 1. Most of these are heavy metals, organic solvents, and pesticides.