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Title: Yucca Flat Well Development and Testing Analyses for Wells ER-3-3 and ER-4-1, Nevada National Security Site, Nye County, Nevada

Technical Report ·
DOI:· OSTI ID:1466409

This report documents the well development and testing (WDT) data and analysis of Wells ER-3-3 and ER-4-1 during fiscal year (FY) 2017. Wells ER-3-3 and ER-4-1 were constructed to evaluate possible radionuclides (RNs) in groundwater from nearby underground tests (UGTs), to provide hydrogeologic information to support refinement of the Yucca Flat hydrostratigraphic framework model (HFM) (BN, 2006), and to provide supplemental data to the Yucca Flat groundwater flow and contaminant transport model (N-I, 2013) to help address priority concerns and recommendations of the Yucca Flat External Peer Review Team. Of particular interest is the characterization of specific groundwater flow pathways (i.e., faults, fractured aquifers) along which RNs in groundwater could migrate from individual UGTs. Another important objective is to determine the hydraulic properties of the volcanic aquifers (VAs) and carbonate aquifers (CAs) in the former underground testing areas in Yucca Flat, and specifically in the areas proximal to existing UGTs.

Research Organization:
Navarro-Intera, LLC (N-I), Las Vegas, NV (United States)
Sponsoring Organization:
USDOE Office of Environmental Management (EM)
DOE Contract Number:
Report Number(s):
N/0002653-043; TRN: US1901635
Country of Publication:
United States