United States of America, State of Illinois, State of Louisiana, State of New Jersey, Commonwealth of Pennsylvania, Northwest Clean Air Agency v. Concophillips Company Web Refining, LLC
United States of America v. Commonwealth Utilities Corporation and Commonwealth of Northern Mariana Islands
United States of America v. City of Newburgh, City of Poughkeepsie, Connell Limited Partnership, International Business Machines Corp., Northrop Grumman Ship Systems, Inc.
United States of America v. City of New Orleans, CFI Industries, Inc., Delta By-Products, Inc., Edward Levy Metals, Inc.