California v. Montrose Chemical Corp.

WIGGINS, Circuit Judge:

This action was filed by the United States and the State of California (“the Trustees”) in 1990 under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA”), as part of an effort to clean up DDT and PCBs released respectively by Montrose Chemical Corporation and Westinghouse Electric Corporation. The release over several decades of an estimated 5,500,000 pounds of DDT and 38,000 pounds of PCBs has allegedly harmed the marine environment in the San Pedro Channel, the Palos Verde Shelf, the Los Angeles-Long Beach Harbors and the area…