@drahardja Before Before the #NationalEnvironmentalPolicyAct of 1970 (#NEPA) and the #ResourceConservationAndRecoveryAct of 1976 (#RCRA), US oversight of wastes was in the hands of the #ArmyCorpsOfEngineers & the US Public Health Service (#USPHS). The PHS was so weak that the waste industry didn’t bother to corrupt it, unlike some of their successors. They were concerned about unsafe #Garbage and #Sewage disposal practices and their impacts on waters and health. They did a study. 1/4