Abstract
A project has been carried out by Oak Ridge National Laboratory (ORNL) to estimate the concentrations of radionuclides in the environment resulting from the release of radioactive materials in the liquid waste effluents from the Rancho Seco Nuclear Power Plant (RSNPP) and to estimate possible radiation doses to man resulting from current environmental concentrations. To accomplish the objectives of this project, ORNL staff members conducted an environmental sampling program around the plant site during November and December 1984. Elevated levels of some anthropogenic radionuclides were found in the immediate environment of the plant. This radioactive contamination occurs primarily along streams receiving effluent from the plant and in fields irrigated with water from these streams. The primary contaminants are 137Cs and 134Cs, with lesser amounts of 60Co and 58Co. The ingestion of fish was the single most important pathway identified in this analysis. However, all specific pathways of exposure and usage factors were not precisely known for a complete dose assessment of current and potential use of contaminated water and soil around the RSNPP. The liquid effluent radionuclide releases from the RSNPP pose no significant health hazard to persons living near the RSNPP.
Published Version
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