This is a RCRA administrative penalty action against Safety-Kleen Systems, Inc. ('Safety-Kleen') for alleged RCRA violations at Safety-Kleen's waste treatment, storage and disposal facility in Cranston, Rhode Island. (A related CAA action addresses CAA violations at this facility.) EPA alleges that Safety-Kleen violated RCRA and its implementing permits/regulations, including federal RCRA regulations at 40 C.F.R. Part 264, Subparts AA, BB and CC pertaining to air emissions control. The federal air emissions regulations that Safety-Kleen violated are not enforceable by state waste authorities.