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Title: Superfund Record of Decision (EPA Region 10): US DOE Idaho National Engineering Lab. , (Operable unit 5), ID. (First remedial action), December 1991. Interim report

Technical Report ·
OSTI ID:6655942

The Idaho National Engineering Laboratory (INEL), located 32 miles west of Idaho Falls, ID, occupied 890 square miles of the Eastern Snake River Plain. On site, the Warm Waste Pond, located near the Test Reactor Area (TRA), was composed of three waste water infiltration/evaporation ponds. Over the past 40 years, the pond received discharges of reactor cooling water, radioactive waste water, and regenerative solutions from ion exchange columns. In 1988, an investigation revealed that a release of radioactive and/or hazardous contaminants to the pond had resulted in contamination of the pond sediments and subsurface water. The Record of Decision addresses the interim remedy for the area of the Warm Waste Pond that included the TRA. The sediments in the area were contaminated with metals (including hexavalent chromium) and radionuclides (including cesium-137 and cobalt-60).

Research Organization:
Environmental Protection Agency, Washington, DC (United States). Office of Emergency and Remedial Response
OSTI ID:
6655942
Report Number(s):
PB-93-964603/XAB; EPA/ROD/R-10-92/036
Country of Publication:
United States
Language:
English