Central City/Clear Creek superfund site proposed plan to amend the operable unit 4 record of decision for the active treatment of the National Tunnel, Gregory Incline and Gregory Gulch
This Proposed Plan identifies the preferred alternative for OU4 water treatment. The mining-impacted waters of Gregory Gulch, Gregory Incline and National Tunnel are acidic and contain high concentrations of heavy metals. This proposed amendment calls for construction of a new water treatment plant...
|Main Author:||Colorado. Hazardous Materials and Waste Management Division.|
|Other Authors:||United States. Environmental Protection Agency. Region VIII.|
Denver, Colo. :
Colorado Dept. of Public Health and Environment, [Hazardous Materials and Waste Management Division] : United States Environmental Protection Agency Region VIII,
1 online resource (11 pages) : illustrations, maps.