Screening radionuclides for ecological risk assessment at the INEL
Conference
·
OSTI ID:230924
- Idaho National Engineering Lab., Idaho Falls, ID (United States)
The Idaho National Engineering Laboratory (INEL) is a DOE facility as defined in Section 101 (9) of CERCLA, 42 U.S.C. 9601(9) and was listed by US EPA on the National Priorities List on November 21, 1989. Since the establishment of the INEL site in 1949, materials (hazardous substances) have been produced, disposed of, and released at the INEL. The list of hazardous materials includes approximately 160 radionuclides. The INEL developed a method to screen these radionuclides based on the discussion presented in International Atomic Energy Agency (IAEA) technical report entitled ``Effects of Ionizing Radiation on Plants and Animals at Levels implied by Current Radiation Protection Standards`` (IAEA 1992). This report reviewed the available information on the effects of ionizing radiation on natural organisms determined the radiation dose and /or does rates above which there have been shown to be deleterious effects on populations of different types of terrestrial plants and animals. The finding presented in this technical report were the basis of the development of a methodology that was used to screen radionuclides for ecological risk assessment purposes at the INEL. This paper will include a discussion of the IAEA results including the basis for the reference values used for radionuclides and the equations (for both internal and external dose) used to determine exposure. Also, this paper will discuss in detail the use of these equations and present the results of a screening performed at a waste area group at the INEL.
- OSTI ID:
- 230924
- Report Number(s):
- CONF-9511137--; ISBN 1-880611-03-1
- Country of Publication:
- United States
- Language:
- English
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