United States of America, and Department of Toxic Substances Control, State of California v. Burlington Northern & Santa Fe Railway Company, as Successor in Interest to the Atchison, Topeka & Santa Fe Railway Company Union Pacific Transportation Company, as Successor in Interest to the Southern Pacific Transportation Company Shell Oil Company, United States of America, and Department of Toxic Substances Control, State of California v. Burlington Northern & Santa Fe Railway Company, as Successor in Interest to the Atchison, Topeka & Santa Fe Railway Company Union Pacific Transportation Company, as Successor in Interest to the Southern Pacific Transportation Company Shell Oil Company, United States of America Department of Toxic Substances Control, State of California v. Burlington Northern & Santa Fe Railway Company, as Successor in Interest to the Atchison, Topeka & Santa Fe Railway Company Union Pacific Transportation Company, as Successor in Interest to the Southern Pacific Transportation Company, and Shell Oil Company

479 F.3d 1113 UNITED STATES of America, Plaintiff, and Department of Toxic Substances Control, State of California, Plaintiff-Appellant, v. BURLINGTON NORTHERN & SANTA FE RAILWAY COMPANY, as successor in interest to the Atchison, Topeka & Santa Fe Railway Company; Union Pacific Transportation Company, as successor in interest to the Southern Pacific Transportation Company; Shell Oil Company, Defendants-Appellees. United States of America, Plaintiff-Appellant, and Department of Toxic Substances Control, State of California, Plaintiff, v. Burlington Northern & Santa Fe Railway Company, as successor in interest to the Atchison, Topeka & Santa Fe Railway Company; Union Pacific Transportation Company, as successor in interest to the Southern Pacific Transportation Company; Shell Oil Company, Defendants-Appellees. United States of America; Department of Toxic Substances Control, State of California, Plaintiffs-Appellees, v. Burlington Northern & Santa Fe Railway Company, as successor in interest to the Atchison, Topeka & Santa Fe Railway Company; Union Pacific Transportation Company, as successor in interest to the Southern Pacific Transportation Company,…