1. SECTION 3008(H) OF THE SOLID WASTE DISPOSAL ACT, AS A- MENDED BY THE RESOURCE CONSERVATION AND RECOVERY ACT, ( RCRA ), 42 U.S.C. SEC. 6928(H). 2. ALTUS AIR FORCE BASE ALTUS, OKLAHOMA 3. RESPONDENT HAS VIOLATED THE REGULATIONS OF SECTION 3008 (H) OF RCRA BY THE RELEASE OF HAZARDOUS WASTE OR HAZARD- OUS CONSTITUENTS FROM ITS FACILITY WHICH HAVE CONTAMINAT- ED SOIL AND GROUNDWATER IN AMOUNTS ABOVE THE MAXIMUM CON- TAMINANT LEVEL (MCL). 4. RELIEF SOUGHT PURSUANT TO SECTION 3008(H) OF RCRA, EPA IS ISSUING A UNILATERAL RCRA SECTION 3008(H) ADMINISTRATIVE CORRECTIVE ACTION ORDER REQUIRING THE RESPONDENT TO: 1) IDENTIFY, INVESTIGATE, AND PREVENT THE FURTHER SPREAD OF RELEASES OF HAZARDOUS WASTES AND/OR HAZARDOUS CONSTITU- ENTS TO THE ENVIRONMENT, AND TO ENSURE THAT CORRECTIVE ACTION ACTIVITIES DEEMED NECESSARY BY EPA BE DESIGNED AND IMPLEMENTED TO PROTECT HUMAN HEALTH AND THE ENVIRONMENT, 2) PERFORM INTERIM MEASURES (IM) AT THE FACILITY TO PRE- VENT OR MINIMIZE THE FURTHER MIGRATION OF CONTAMINANTS DUE TO RELEASES OF HAZARDOUS CONSTITUENTS TO THE ENVIRON- MENT, OR TO MITIGATE CURRENT OR POTENTIAL THREATS TO HU- MAN HEALTH OR THE ENVIRONMENT, 3) PERFORM A RCRA FACILITY INVESTIGATION (RFI) TO FULLY DETERMINE THE NATURE AND EX- TENT OF ANY RELEASE(S) OF HAZARDO