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Current Montana National Priority List (NPL) Sites: Anaconda Smelter Deer Lodge County Arsenic · Beryllium · Cadmium · Copper · Lead · Zinc Basin Mining Area Basin, Jefferson County Arsenic · Cadmium · Copper · Lead Barker Hughesville Cascade and Judith Basin Counties Arsenic · Zinc Carpenter-Snow Creek Cascade County Arsenic · Lead Clark Fork River Deer Lodge, Powell County Arsenic · Cadmium · Copper · Lead · Zinc East Helena East Helena, Lewis and Clark County Arsenic · Heavy Metals · Lead Idaho Pole Bozeman, Gallatin County Dioxin · PAHs · Pentachlorophenol Libby Asbestos Libby, Lincoln County Asbestos Libby Groundwater Libby, Lincoln County Dioxin · Heavy Metals · PAHs · Pentachlorophenol Lockwood Solvents Billings, Yellowstone County Carbon tetrachloride · cis-1,2-Dichloroethene · Tetrachloroethene · Trichloroethene · Vinyl chloride Milltown Reservoir Sediments Milltown, Missoula County Arsenic · Copper Montana Pole Butte, Silver Bow County Dioxin · Furans · Metals · Pentachlorophenol · VOCs Mouat Industries Columbus, Stillwater County Hexavalent Chromium Silver Bow Creek/Butte Area Butte, Jefferson County Arsenic · Cadmium · Copper · Lead · Zinc Upper Ten Mile Creek Near Helena, Lewis and Clark County Arsenic · Copper · Lead · Zinc Delisted Montana National Priority List (NPL) Sites: |
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