All towns, companies and even individuals with a past connection-however remote-to a polluted site can be roped in to pay for the cleanup, even if their actions were perfectly legal at the time.

• 所有城镇、公司、甚至个人，只要过去--无论多早--曾经同所污染的场所有联系，即可受到牵连，须为污染场所的清理出钱，哪怕他们当时的行为是完全合法的。