Alleged Violators:
Shell Oil Company; Dow Chemical Company; BP America, Inc.; Atlantic Richfield Company; Southern California Edison; ExxonMobil Corporation; (Amended); Northrup Grumman Corporation; Conocophilips; Conoco, Inc.; Philips Petroleum; ChevronTexaco; Chevron Environmental Management Company; Chevron Pipeline Company; Texaco, Inc.; Northrup Grumman Space & Mission Systems Corp.