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Title: Groundwater monitoring results for the 100-K Area fuel storage basins: January 1 to March 31, 1994

Abstract

Fuel storage basins associated with the 105-KE and 105-KW reactor buildings are currently being used to store irradiated fuel rods from past operations. Each reactor building contains a basin that holds approximately 1.3 million gal of water. The water provides a radiation shield, as well as a thermal sink for heat generated by the stored fuel. Some of the fuel rods stored in the K-East basin have damaged cladding and are stored in open canisters, allowing contact between the metallic uranium fuel and basin water. The interaction results in radionuclides being released to the basin water. Various exchange columns and filters associated with a closed-circuit circulation system are in place to reduce radionuclide concentrations in basin water. Tritium cannot be removed by these methods and is present in K-East basin water at a concentration of several million pCi/L. In contrast, K-West basin, where only fully encapsulated, undamaged fuel is stored, exhibits tritium concentrations at much lower levels--several hundred thousand pCi/L. The water budget for the basins includes water losses resulting from evaporation and possibly leakage, and the addition of make-up water to maintain a specific level. Water loss calculations are based on water level decreases during time intervals when nomore » make-up water is added. A calculated loss rate beyond what is expected due to evaporation and uncertainty in the calculations, is assumed to be leakage to the soil column. Given sufficiently high leakage rates, and/or a preferential pathway for downward migration through the soil column, basin water may contaminate groundwater flowing beneath the basins.« less

Authors:
Publication Date:
Research Org.:
Westinghouse Hanford Co., Richland, WA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10180547
Report Number(s):
WHC-SD-EN-TI-280
ON: DE94018470; BR: 35AF11201/35AF11202; TRN: 94:020990
DOE Contract Number:  
AC06-87RL10930
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 29 Aug 1994
Country of Publication:
United States
Language:
English
Subject:
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 54 ENVIRONMENTAL SCIENCES; GROUND WATER; MONITORING; CONTAMINATION; SPENT FUEL STORAGE; SPENT FUELS; PROGRESS REPORT; TRITIUM; COMPILED DATA; 052002; 540230; WASTE DISPOSAL AND STORAGE; RADIOACTIVE MATERIALS MONITORING AND TRANSPORT

Citation Formats

Peterson, R E. Groundwater monitoring results for the 100-K Area fuel storage basins: January 1 to March 31, 1994. United States: N. p., 1994. Web. doi:10.2172/10180547.
Peterson, R E. Groundwater monitoring results for the 100-K Area fuel storage basins: January 1 to March 31, 1994. United States. https://doi.org/10.2172/10180547
Peterson, R E. 1994. "Groundwater monitoring results for the 100-K Area fuel storage basins: January 1 to March 31, 1994". United States. https://doi.org/10.2172/10180547. https://www.osti.gov/servlets/purl/10180547.
@article{osti_10180547,
title = {Groundwater monitoring results for the 100-K Area fuel storage basins: January 1 to March 31, 1994},
author = {Peterson, R E},
abstractNote = {Fuel storage basins associated with the 105-KE and 105-KW reactor buildings are currently being used to store irradiated fuel rods from past operations. Each reactor building contains a basin that holds approximately 1.3 million gal of water. The water provides a radiation shield, as well as a thermal sink for heat generated by the stored fuel. Some of the fuel rods stored in the K-East basin have damaged cladding and are stored in open canisters, allowing contact between the metallic uranium fuel and basin water. The interaction results in radionuclides being released to the basin water. Various exchange columns and filters associated with a closed-circuit circulation system are in place to reduce radionuclide concentrations in basin water. Tritium cannot be removed by these methods and is present in K-East basin water at a concentration of several million pCi/L. In contrast, K-West basin, where only fully encapsulated, undamaged fuel is stored, exhibits tritium concentrations at much lower levels--several hundred thousand pCi/L. The water budget for the basins includes water losses resulting from evaporation and possibly leakage, and the addition of make-up water to maintain a specific level. Water loss calculations are based on water level decreases during time intervals when no make-up water is added. A calculated loss rate beyond what is expected due to evaporation and uncertainty in the calculations, is assumed to be leakage to the soil column. Given sufficiently high leakage rates, and/or a preferential pathway for downward migration through the soil column, basin water may contaminate groundwater flowing beneath the basins.},
doi = {10.2172/10180547},
url = {https://www.osti.gov/biblio/10180547}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {8}
}