Energia i regulacje · 1.03.2001
Umetco Minerals Corporation
The U.S. Nuclear Regulatory Commission (NRC) proposes to amend NRC Source Material License SUA-648 to authorize the licensee, Umetco Minerals Corporation (Umetco), to decommission the contaminated land associated with the operation of the uranium mill facility according to the Revised Soil Decommissioning Plan submitted September 15, 2000, as amended. The Umetco East Gas Hills site, is located in Natrona County, Wyoming, approximately 50 miles (80 kilometers) southeast of the town of Riverton, Wyoming. The mill operated from 1960 to 1979 and was dismantled in 1992. During operation, wind-blown tailings and tailings- solution from the Above-Grade Impoundment contaminated areas north of the Impoundment. A portion of the land contaminated with byproduct material was remediated (excavated) in 1993. Several changes and improvements have been proposed in the revised decommissioning plan. An Environmental Assessment (EA) was performed by the NRC staff in support of its review of Umetco's license amendment request, in accordance with the requirements of 10 CFR part 51. The conclusion of the Environmental Assessment is a Finding of No Significant Impact (FONSI) for the proposed licensing ac