Distribution of Uranium Contamination in Weathered Fractured Saprolite/Shale and Ground Water

ABSTRACT The objective of this study was to determine how structure, stratigraphy, and weathering influence fate and transport of contaminants (particularly U) in the ground water and geologic material at the Department of Energy (DOE) Environmental Remediation Sciences Department (ERSD) Field Resea...

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Bibliographic Details
Published in:Journal of environmental quality 2006-09, Vol.35 (5), p.1715-1730
Main Authors: Phillips, D. H., Watson, D. B., Roh, Y., Mehlhorn, T. L., Moon, J.‐W., Jardine, P. M.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Applied sciences
Biological and medical sciences
Bioremediation
CALCITE
Contaminants
CONTAMINATION
Cores
DISTRIBUTION
Earth sciences
Earth, ocean, space
Engineering and environment geology. Geothermics
Environmental cleanup
Environmental Monitoring - methods
Environmental Restoration and Remediation - methods
ENVIRONMENTAL SCIENCES
Exact sciences and technology
FRACTURES
Fresh Water - analysis
Fresh Water - chemistry
Fundamental and applied biological sciences. Psychology
GEOCHEMISTRY
Geologic Sediments - analysis
Geologic Sediments - chemistry
GROUND WATER
Groundwater
Groundwater pollution
HYDRAULIC CONDUCTIVITY
Hydrogen-Ion Concentration
Metals
Nitric acid
Pollution
Pollution, environment geology
PONDS
POROSITY
Remediation
Sandstone
SHALES
STRATIGRAPHY
Tennessee
Transition zone
TRANSPORT
URANIUM
Uranium - analysis
Uranium - chemistry
WASTE DISPOSAL
Water Pollutants, Radioactive - analysis
Water Pollutants, Radioactive - chemistry
Water pollution
WEATHERING
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Summary:ABSTRACT The objective of this study was to determine how structure, stratigraphy, and weathering influence fate and transport of contaminants (particularly U) in the ground water and geologic material at the Department of Energy (DOE) Environmental Remediation Sciences Department (ERSD) Field Research Center (FRC). Several cores were collected near four former unlined adjoining waste disposal ponds. The cores were collected, described, analyzed for U, and compared with ground water geochemistry from surrounding multilevel wells. At some locations, acidic U‐contaminated ground water was found to preferentially flow in small remnant fractures weathering the surrounding shale (nitric acid extractable U [UNA] usually < 50 mg kg−1) into thin (
ISSN:0047-2425
1537-2537
DOI:10.2134/jeq2005.0124