THIS IS A CORRECTIVE ACTION AGAINST THE RESPONDENT, UNION PACIFIC RAILROAD COMPANY UNDER SECTION 3008(H) OF RCRA TO PROVIDE A LEGAL FRAMEWORK FOR THE OIL RECOVERY, BENCH AND FIELD PILOT TESTS AT THE UNION RAILROAD COMPANY FACILITY. GROUNDWATER AND SURFACE WATERS AT THE FACILITY CONTAIN CREOSOTE CONSTITUENTS, ARSENIC, AND PENTACHLOROPHENOL. PENTACHLOROPHENOL AND SOME CREOSOTE CONSTITUENTS ARE HAZARDOUS CONSTITUENTS IN 40 CFR PAR 261. OTHER TOXIC, CACINOGENIC, MUTAGENIC, OR TERATOGENIC ARE ALSO FOUND TO BE EFFECTED ON HUMAN OR OTHER LIFE FORMS.