RCRA CORRECTIVE ACTION ORDER UNDER 3008(H) AUTHORITIES REQUIRE GMC TO PERFORM INTERIM REMEDIAL MEASURES AT ONE SOLID WASTE MANAGEMENT UNIT (SWMU) AND A RCRA FAILITY IN- VESTIGATION AND CORRECTIVE MEASURES STUDY AT FOUR ADDITIONAL SWMUS. GMC IS ORDERED TO DELINEATE THE EXTENT AND NATURE OF CONTAMINATION FROM EACH SWMU, AND TO EVALUATE THE MOST APPROPRIATE REMEDIATION ALTERNATIVE ON A SWMU-SPECIFIC BASIS. EPA HAS OVERSIGHT OF ALL CORRECTIVE ACTION ACTIVITIES.