United States of America, State of Louisiana, State of Ohio, Oklahoma Department of Environmental Quality v. Chemtrade Logistics (US) Inc, Chemtrade Refinery Services Inc., Marsulex, Inc.
United States of America v. Cabot Corporation, KB Alloys, LLC, E.I. Du Pont De Nemours and Company, Shieldalloy Metallurgical Corp, International Wire Group Inc., and Omega Wire Inc.
United States of America v. Bristol-Myers Squibb Company, General Electric Company, International Business Machines Corporation and Pass & Seymour, Inc.