The Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”), 42 U.S.C. 9601, et seq., is best known for setting forth a comprehensive mechanism to cleanup hazardous waste sites under a restoration-based approach and for imposing …The Comprehensive Environmental Response, Compensation, and Liability Act (“CERCLA”), 42 U.S.C. 9601, et seq., is best known for setting forth a comprehensive mechanism to cleanup hazardous waste sites under a restoration-based approach and for imposing …