THE EPA ISSUES BNSF A UNILATERAL ADMINISTRATIVE ORDER FOR REMEDIAL INVESTIGATION AND FEASIBILITY STUDY (RI/FS) IN CONNECTION WITH THE RAILROAD CORRIDOR AT OPERABLE UNIT 1 OF THE ACM SMELTER AND REFINERY SITE, NEAR GREAT FALLS, MONTANA. THE ORDER REQUIRES BNSF TO CONDUCT A REMEDIAL INVESTIGATION AND FEASIBILITY STUDY ACTIONS AT THE RAILROAD CORRIDOR. AMONG OTHER REQUIREMENTS, THE ORDER ALSO REQUIRES BNSF TO PAY THE EPA'S RESPONSE COSTS IN OVERSEEING AND ENFORCING THE PERFORMANCE OF THE RI/FS.