What work are the potentially responsible parties required to complete at Butte Priority Soils Operable Unit?

EPA will conduct oversight in consultation with the Montana Department of Environmental Quality (MDEQ) on all work to be implemented by Atlantic Richfield and Butte-Silver Bow County. Atlantic Richfield will perform work in the Butte Reduction Works, Northside Tailings, Diggings East, Buffalo Gulch, East Buffalo Gulch, and Grove Gulch areas, and the unreclaimed, insufficiently reclaimed, and uncaptured surface water areas located throughout the BPSOU. Butte Silver Bow County will be improving the municipal infrastructure. MDEQ, as part of a combined remedy and restoration effort, will be implementing work in Blacktail Creek and the confluence area.