definiens: means any chemicals, pollut ants, contaminants, wastes, residual wastes, toxic substances ( including friable asbestos and le ad ), hazardous substances, petroleum and petroleum products and coal, coke, coal tar, or coal tar byproducts, i ncluding but not limited to, all materials or subst ances that exhibit the characteristics of hazardous waste as identifie d in 40 C.F.R. Part 261 or that are listed in 40 C. F.R. Part 261 or the U.S. Department of Transportation Hazardous Mat erials Table, as amended, 49 C.F.R. § 172.101, and m aterial that is a source, special nuclear, or byproduct mat erial as defined by the Atomic Energy Act of 1954, 42 U.S.C