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Geochemical studies of commercial low-level radioactive waste disposal sites

Technical Report ·
OSTI ID:5712829
; ;
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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CHEMISTRY
DISPERSIONS
GEOCHEMISTRY
GROUND DISPOSAL
LEACHATES
LOW-LEVEL RADIOACTIVE WASTES
MANAGEMENT
MATERIALS
MIXTURES
RADIOACTIVE MATERIALS
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTES
SOLUTIONS
SOURCE TERMS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES