Geochemical studies of commercial low-level radioactive waste disposal sites
The results of source term characterization studies for the commercially operated low-level waste (LLW) disposal sites located in the eastern United States are used to provide an understanding of the importance of hydrological and geochemical factors in controlling the mechanics of leachate formation, evolution of leachate compositions, microbial degradation of organic waste and development of anoxia in the trenches, and the nature and extent of leaching of waste materials. The varying degrees of the intensity of these processes, as determined by the different site characteristics, are clearly reflected in the contrasting leachate geochemistries of Maxey Flats and West Valley trenches, as compared to those of Barnwell and Sheffield trenches. These are important geochemical considerations which not only define LLW source terms but also shed light on the nature and extent of geochemical changes that are likely to occur along a redox gradient outside of the trench environment.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 5712829
- Report Number(s):
- NUREG/CR-4644; BNL-NUREG-52004; ON: TI86013345
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
58 GEOSCIENCES
54 ENVIRONMENTAL SCIENCES
LOW-LEVEL RADIOACTIVE WASTES
GROUND DISPOSAL
SOURCE TERMS
GEOCHEMISTRY
LEACHATES
RADIOACTIVE WASTE DISPOSAL
CHEMISTRY
DISPERSIONS
MANAGEMENT
MATERIALS
MIXTURES
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
SOLUTIONS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
053000* - Nuclear Fuels- Environmental Aspects
052002 - Nuclear Fuels- Waste Disposal & Storage
580400 - Geochemistry- (-1989)
520301 - Environment
Aquatic- Radioactive Materials Monitoring & Transport- Water- (1987)
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)