Under a provision modeled on the Clean Water Act, states may assume responsibility for hazardous waste control (section 3006). State laws less stringent than federal requirements are preempted (section 3009).

• 仿照《洁净水法案》，各州可以负责危险废物控制（第3006条），不如联邦要求严厉的州法律被联邦法先占（第3009条）。