Corrective measures technology for humid sites
The corrective measures technology task for humid sites consists of three subtasks. The first subtask has the objective of demonstrating that grout injection into closed burial trenches can achieve the hydrologic isolation of buried wastes. From laboratory testing of seven grout formulations, two promising grouts, 7.6% sodium silicate and 11.7% acrylamide, were selected for field demonstration by injection into 1:10-scale burial trenches. Both grouts effected a several orders of magnitude reduction in the mean hydraulic conductivity of the trench. The trench chemical treatment subtask has the objective of demonstrating the caustic soda injection into a closed trench's backfill and surrounding soil can achieve a fixation of radiostrontium from further ground water contamination. Monitoring of ground waters in and around the treated trench indicate a continued fixation of radiostrontium from further leaching. Soil samples were taken from the trench and found to contain /sup 90/Sr coprecipitated with calcium carbonate. The final subtask has the objective of demonstrating that the detection and treatment of ground water seeps can achieve a significant reduction in radiostrontium contamination of surface water. The utility of measuring /sup 90/Sr in ground water samples by Cerenkov radiation detection was found to be analytically equivalent to but considerably less expensive and time consuming than the standard radiochemical method.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5572206
- Report Number(s):
- CONF-8308106-10; ON: DE84000718
- Resource Relation:
- Conference: 5th. annual participants information meeting of DOE low level waste management program, Denver, CO, USA, 30 Aug 1983
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
54 ENVIRONMENTAL SCIENCES
GROUND WATER
RADIONUCLIDE MIGRATION
RADIOACTIVE WASTE DISPOSAL
LOW-LEVEL RADIOACTIVE WASTES
UNDERGROUND DISPOSAL
STRONTIUM 90
GROUTING
HUMIDITY
RADIATION MONITORING
ALKALINE EARTH ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
HYDROGEN COMPOUNDS
INTERMEDIATE MASS NUCLEI
ISOTOPES
MANAGEMENT
MASS TRANSFER
MATERIALS
MONITORING
NUCLEI
OXYGEN COMPOUNDS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOISOTOPES
STRONTIUM ISOTOPES
WASTE DISPOSAL
WASTE MANAGEMENT
WASTES
WATER
YEARS LIVING RADIOISOTOPES
052002* - Nuclear Fuels- Waste Disposal & Storage
053000 - Nuclear Fuels- Environmental Aspects
520301 - Environment
Aquatic- Radioactive Materials Monitoring & Transport- Water- (1987)