Characterization plan for the Old Hydrofracture Facility
The Old Hydrofracture Facility (OHF) was used for the permanent disposal of liquid radioactive waste in impermeable shale formations at depths ranging from about 230 to 300 m (750 to 1000 ft), from 1964 to 1979. The liquid waste was blended into a pumpable grout by mixing it with cement and special clays used to immobilize radionuclides against groundwater transport. This report summarizes the results of several studies at ORNL that have measured the concentration of radionuclides and, to some extent, concentrations of hazardous chemicals in the sediment of the impoundment, as well as the concentrations in soils and groundwater near the facility. The report addresses only the contamination of and the potential releases to the environment that might result from the facility per se and makes no attempt to address potential releases that might result from permanent disposal of wastes (i.e., the grout sheets) during its operation. Outlined in the report are the additional actions needed to obtain the information required to confirm the extent of contamination within the facility. The major efforts include the measurement of radionuclides and potentially hazardous chemicals contained in the five underground waste storage tanks at the facility and determining of the lateral and vertical contamination due to seepage of waste from the impoundment.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5155372
- Report Number(s):
- ORNL/TM-9991; ON: DE87001603
- Country of Publication:
- United States
- Language:
- English
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54 ENVIRONMENTAL SCIENCES
ENVIRONMENTAL TRANSPORT
GROUND WATER
HYDROGEN COMPOUNDS
LIQUID WASTES
MANAGEMENT
MASS TRANSFER
NATIONAL ORGANIZATIONS
NUCLEAR FACILITIES
ORNL
OXYGEN COMPOUNDS
RADIOACTIVE WASTE DISPOSAL
RADIOACTIVE WASTE FACILITIES
RADIOACTIVITY
RADIONUCLIDE MIGRATION
SEDIMENTS
SITE CHARACTERIZATION
SOILS
US AEC
US DOE
US ERDA
US ORGANIZATIONS
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER