An amendment to add that if any abatement action is taken against a facility used for treatment, storage, or disposal of hazardous waste the Administrator is to act to insure that such waste may not be handled by the facility after the enactment of this Act if 1) the facility was operating under interim status of the Solid Waste Disposal Act, 2) the owner or operator has not completed full hydrogeologic characterization of the facility before the date of the enactment of the Act, 3) a State or local government has required the relocation of individuals residing in the vicinity of the facility because of the actual or threatened release of the hazardous substance, and 4) 75,000 or more individuals reside within 2.5 miles of the facility.