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Assessment of the Quality of Groundwater and the Little Wind River in the Area of a Former Uranium Processing Facility on the Wind River Reservation, Wyoming, 1987 through 2010
| 题名： | Assessment of the Quality of Groundwater and the Little Wind River in the Area of a Former Uranium Processing Facility on the Wind River Reservation, Wyoming, 1987 through 2010 |
| 作者： | Ranalli, A. J.; Naftz, D. L. |
| 关键词： | Floodplain ecosystem##Anthropogenic activities##Wyoming##Land development##Road construction##Sea level rise##Adverse impacts##Saltwater intrusion##Vegetation degradation##Contamination##Monitoring##Environmental resources##Well monitoring##Sampling design##Wind River(Wyoming)##Uranium Processing Facility## |
| 摘要： | In 2010, the U.S Geological Survey (USGS), in cooperation with the Wind River Environmental Quality Commission (WREQC), began an assessment of the effectiveness of the existing monitoring network at the Riverton, Wyoming, Uranium Mill Tailings Remedial Action (UMTRA) site. The USGS used existing data supplied by the U.S. Department of Energy (DOE). The study was to determine (1) seasonal variations in the direction of groundwater flow in the area of the former uranium processing facility toward the Little Wind River, (2) the extent of contaminated groundwater among the aquifers and between the aquifers and the Little Wind River, (3) whether current monitoring is adequate to establish the effectiveness of natural attenuation for the contaminants of concern, and (4) the influence of groundwater discharged from the sulfuric-acid plant on water quality in the Little Wind River. The analysis of seasonal variations in the direction of groundwater flows determined there is no evidence of groundwater flow from the UMTRA site toward the Wind River. Groundwater in the lower confined bedrock aquifer does not appear to be vulnerable to contamination from the upper unconfined alluvial aquifer. |
| 总页数： | 115 |
| 报告类型： | 科技报告 |
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