Dose assessment on arbitrary accidents originating in the temporary storage facility for LILW management

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The dropping of drums and fire were considered in evaluating the effective dose and the thyroid equivalent dose in terms of workers and public from arbitrary accidents originating in the temporary storage facility for LILW management. Dose assessment was conducted in terms of internal exposure by breathing and external exposure by radioactive plume, considering the exposure effects resulted from the release of radioactive materials originating in the temporary storage facility for LIM The 13 radionuclides for the internal and external exposure dose assessment were considered: (3)H, (14)C, (55)Fe, (58)Co, (60)Co, (59)Ni, (63)Ni, (90)Sr, (94)Nb, (99)Tc, (129)I, (137)Cs, and (144)Ce. The atmospheric dispersion factors (chi/Q) were derived by the PAVAN code using meteorological data measured in the Kori NPP. The chi/Q value corresponding to the 50 percentile was derived by 4.820E-3 s/m(3) for worker and 2.924E-5 s/m(3) for public. The effective doses resulted from the dropping of drums were in a range of 4.95E-15 to 2.19E-7 mSv for workers and 9.21E-17 to 1.34E-9 mSv for public. The thyroid equivalent doses originating from the dropping of drums ranged from 3.59E-14 to 1.09E-6 mSv for workers and 6.53E-16 to 6.61E-9 mSv for public. On the other hand, the effective doses resulting from fire were in a range of 6.18E-17 to 1.01E-4 mSv for workers and 3.77E-19 to 6.15E-7 mSv for public. The thyroid equivalent doses originating from fire ranged from 4.49E-16 to 5.45E-7 mSv for workers and 2.72E-18 to 3.31 E-9 mSv for public. The exposure doses resulting from the main accidents considered in this study did not exceed the regulatory dose limits with respect to arbitrary accidents originating in the temporary storage facility for LILW management. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.
Publisher
Pergamon-Elsevier Science Ltd
Issue Date
2010-01
Language
English
Article Type
Article
Keywords

MASTER LOGIC DIAGRAM

Citation

PROGRESS IN NUCLEAR ENERGY, v.52, no.2, pp.206 - 213

ISSN
0149-1970
DOI
10.1016/j.pnucene.2009.06.013
URI
http://hdl.handle.net/10203/94802
Appears in Collection
NE-Journal Papers(저널논문)
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