United States. Environmental Protection Agency. Region VIII.
Author
Pub. Date
[2010]
Description
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 designed and operated specifically to treat discharges from the National Tunnel and Gregory Incline, as well as base surface water flow and alluvial ground...
Author
Pub. Date
[2009]
Description
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 designed and operated specifically to treat discharges from the National Tunnel and Gregory Incline, as well as base surface water flow and alluvial ground...
Author
Pub. Date
2008.
Description
This Colorado Environmental Performance Partnership Agreement (CEPPA) is an agreement that identifies and explains the key environmental priorities and goals in the State of Colorado, and the working relationship between the Colorado Department of Public Health and Environment (CDPHE) and the U.S. Environmental Protection Agency (EPA). It allows Colorado to identify key state priorities, allocate federal resources to the highest state priorities,...
Author
Pub. Date
2007.
Description
This Colorado Environmental Performance Partnership Agreement (CEPPA) is an agreement that identifies and explains the key environmental priorities and goals in the State of Colorado, and the working relationship between the Colorado Department of Public Health and Environment (CDPHE) and the U.S. Environmental Protection Agency (EPA). It allows Colorado to identify key state priorities, allocate federal resources to the highest state priorities,...
Author
Pub. Date
[2004]
Description
The selected remedy for OU4 addresses contaminated surface water, ground water, and sediment from mine waste piles within the Study Area. The cleanup strategies will address threats through the capping or removal of waste piles and treatment of point and non-point sources of surface water contamination.
Author
Pub. Date
2009.
Description
The Colorado Performance Partnership Agreement (CEPPA) is an agreed-to plan between the Colorado Department of Public Health and Environment and Region 8 of the Environmental Protection Agency to address environmental issues and problems in Colorado. Thus, it reflects commitments made by both agencies to environmental management.
Author
Pub. Date
2005.
Description
This Colorado Environmental Performance Partnership Agreement (CEPPA) is an agreement that identifies and explains the key environmental priorities and goals in the State of Colorado, and the working relationship between the Colorado Department of Public Health and Environment (CDPHE) and the U.S. Environmental Protection Agency (EPA). It allows Colorado to identify key state priorities, allocate federal resources to the highest state priorities,...
Author
Pub. Date
2006.
Description
This Colorado Environmental Performance Partnership Agreement (CEPPA) is an agreement that identifies and explains the key environmental priorities and goals in the State of Colorado, and the working relationship between the Colorado Department of Public Health and Environment (CDPHE) and the U.S. Environmental Protection Agency (EPA). It allows Colorado to identify key state priorities, allocate federal resources to the highest state priorities,...