Superfund Record of Decision (EPA Region 8): California Gulch, Operable Unit 10, Leadville, CO, August 8, 1997
This decision document presents the Selected Remedy for Oregon Gulch OU10 within the California Gulch Superfund Site in Leadville, Colorado. The Selected Remedy includes active management of the seep currently discharging at the toe of the Oregon Gulch Tailing Impoundment during the interim period from implementation until the seep does not negatively impact surface water quality. Active management of the seep discharge will be performed during non-freezing conditions and will include collection and either pumping or transport of the collected flow to the Yak Tunnel Treatment Plant or other suitable treatment options. Design of the Selected Remedy will include a drain system at the toe of the embankment to allow the seep discharge to flow unrestricted and to be collected in a controlled manner.
- Research Organization:
- US Environmental Protection Agency (EPA), Washington, DC (United States). Office of Emergency and Remedial Response
- OSTI ID:
- 638528
- Report Number(s):
- PB-97-964402/XAB; EPA-541/R-97/145; TRN: 82022203
- Resource Relation:
- Other Information: DN: See also PB89-153712.; PBD: Jan 1998
- Country of Publication:
- United States
- Language:
- English
Similar Records
Superfund record of decision (EPA Region 9): Iron Mountain Nine, Shasta County, CA, September 1993
Superfund Record of Decision (EPA Region 8): Hill Air Force Base, Operable Unit 2, Chemical Disposal Pit 3, Site WP07, Davis and Weber Counties, UT. (First remedial action), September 1991