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. |
| Format: | Electronic |
| Language: | English |
| Published: |
Denver, Colo. :
Colorado Department of Public Health and Environment, [Hazardous Materials and Waste Management Division] : United States Environmental Protection Agency Region VIII,
[2009]
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| Physical Description: |
1 online resource (11 pages) : illustrations, maps. |
| Subjects: | |
| Online Access: |
Access online |
| Summary: |
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 water in Gregory Gulch. |
|---|---|
| Item 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 water in Gregory Gulch. Marmot Digital Library - Colorado State Government Documents online. |
| Physical Description: |
1 online resource (11 pages) : illustrations, maps. |