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Title: May 2011 Groundwater and Surface Water Sampling at the Rio Blanco, Colorado, Site (Data Validation Package)

Technical Report ·
DOI:https://doi.org/10.2172/1114532· OSTI ID:1114532
 [1]
  1. S.M. Stoller Corporation, Broomfield, CO (United States)

Annual sampling was conducted at the Rio Blanco, Colorado, site for the Long-Term Hydrologic Monitoring Program May 16-17, 2011, to monitor groundwater and surface water for potential radionuclide contamination. Sampling and analyses were conducted as specified in Sampling and Analysis Plan for the U.S. Department of Energy Office of Legacy Management Sites (LMS/PRO/S04351, continually updated). A duplicate sample was collected from location Johnson Artesian WL. Samples were analyzed by the U.S. Environmental Protection Agency (EPA) Radiation&Indoor Environments National Laboratory in Las Vegas, Nevada. Samples were analyzed for gamma-emitting radionuclides by high-resolution gamma spectrometry, and for tritium using the conventional method. Tritium was not measured using the enrichment method because the EPA laboratory no longer offers that service. Results of this monitoring at the Rio Blanco site demonstrate that groundwater and surface water outside the boundaries have not been affected by project-related contaminants.

Research Organization:
S.M. Stoller Corp., Broomfield, CO (United States)
Sponsoring Organization:
USDOE Office of Legacy Management (LM)
DOE Contract Number:
AM01-07LM00060
OSTI ID:
1114532
Report Number(s):
LMS/RBL-S00511; TRN: US1400236
Country of Publication:
United States
Language:
English