THIS HISTORY UP TO THIS ACTION IS LENGTHY. EPA HAS CONDUCTED SEVERAL TIME CRITICAL AND NON-TIME CRITICAL REMOVAL ACTIONS AT THE BUTTE AREA PORTION OF THE SILVER BOW CREEK/BUTTE AREA SUPERFUND SITE. THE CONDITIONS PRESENT AT THE SITE, WHICH IS CONTAMINATED WITH ELEVATED LEVELS OF ARSENIC, CADMIUM, COPPER, LEAD, AND ZINC. THE REMOVAL ACTIONS REQUIRED BY THIS ACTION ARE NECESSARY TO PROTECT PUBLIC HEALTH, WELFARE, AND THE ENVIRONMENT. THE REMOVAL ACTION INVOLVES THE REMOVAL, CAPPING, STABILIZATION, YARD REMOVAL, REVEGETATION, SEDIMENTATION CONTROL, ROUTING AND OTHER APPROPRIATE METHODS OF RAILLINES AND RAILBEDS AND ADJACENT OR DOWNHILL RECEPTOR AREAS SUCH AS YARDS IN AND AROUND BUTTE, MONTANA.