United States of America and State of West Virginia v. E.I. Du Pont De Nemours & Co., and Lucite International, Inc.
United States of America and People of the State of California v. East Bay Municipal Utility District
United States of America v. Detrex Corporation, Goodrich Corporation, Donald Oline, Portac, Inc and Weyerhaeuser Company
United States of America and Louisville Metro Air Pollution Control District v. D.D. Williamson & Co, Inc.