United States of America and State of Texas v. City of Port Arthur, Texas; American Commercial Barge Line LLC; E. I. du Pont de Nemours & Company; Huntsman Petrochemical Corporation; Kirby Corporation; Kirby Inland Marine, LP; Phillips 66 Company, et al.
United States of America v. The Commonwealth of Pennsylvania, Department of Environmental Protection v. George R. Rubright and Mary Lou Rubright