"Hazardous substance" means any substance listed on the List of Hazardous Substances and Reportable Quantities, codified as 40 C.F.R., Part 302, Table 302.4, in force and effect on February 1, 1996, or any substance listed on the List of Extremely Hazardous Substances [...]

"Hazardous substance" means any substance designated pursuant to Section 311(b)(2)(A) of the federal Clean Water Act, 33 U.S.C. Section 1321(b)(2)(A); any element, compound, mixture, solution, or substance designated pursuant to Section 102 of 42 U.S.C. Section 9602; any [...]

(4) "Hazardous substance" means that term as defined in paragraph (4) of Code Section 1289212-8-92 on January 1, 1993.

(2) "Hazardous substance" means a hazardous substance as such term is defined by Code Section 1289212-8-92.