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Title: UMTRA Project water sampling and analysis plan, Gunnison, Colorado: Revision 1

Technical Report ·
DOI:https://doi.org/10.2172/10104648· OSTI ID:10104648

This water sampling and analysis plan summarizes the results of previous water sampling activities and the plan for future water sampling activities, in accordance with the Guidance Document for Preparing Sampling and Analysis Plans for UMTRA Sites. A buffer zone monitoring plan for the Dos Rios Subdivision is included as an appendix. The buffer zone monitoring plan was developed to ensure continued protection to the public from residual contamination. The buffer zone is beyond the area depicted as contaminated ground water due to former milling operations. Surface remedial action at the Gunnison Uranium Mill Tailings Remedial Action Project site began in 1992; completion is expected in 1995. Ground water and surface water will be sampled semiannually at the Gunnison processing site and disposal site. Results of previous water sampling at the Gunnison processing site indicate that ground water in the alluvium is contaminated by the former uranium processing activities. Background ground water conditions have been established in the uppermost aquifer at the Gunnison disposal site. The monitor well locations provide a representative distribution of sampling points to characterize ground water quality and ground water flow conditions in the vicinity of the sites. The list of analytes has been modified with time to reflect constituents that are related to uranium processing activities and the parameters needed for geochemical evaluation.

Research Organization:
Jacobs Engineering Group, Inc., Albuquerque, NM (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC04-91AL62350
OSTI ID:
10104648
Report Number(s):
DOE/AL/62350-132-Rev.1; ON: DE95003886; BR: EW2010102/EX2040010; TRN: AHC29502%%78
Resource Relation:
Other Information: PBD: Nov 1994
Country of Publication:
United States
Language:
English