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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of Radiation Protection and Research
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Journal DOI :
Korean Association for Radiation Protection
Editor in Chief :
Volume & Issues
Volume 27, Issue 3 - Sep 2002
Volume 27, Issue 2 - Jun 2002
Volume 27, Issue 1 - Mar 2002
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An Improved Methodology of Monetary Values of the Unit Collective Dose for Intervention Against Long-Term Exposure Following a Nuclear Accident
Hwang, Won-Tae ; Kim, Eun-Han ; Suh, Kyung-Suk ; Choi, Young-Gil ; Han, Moon-Hee ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 77~80
A more practice approach for the determination of monetary values of the unit collective dose for intervention against long-term exposure following a nuclear accident was proposed. In addition, she monetary values of the unit collective dose estimated from the proposed approach were compared with those estimated from the previous model, which are derived from assumptions of routine exposure and the same values are applied in a nuclear accident without modification, using Korean economic data. The monetary values based on the proposed approach showed a distinct difference depending on inequity in the distribution of individual doses. The discounting rate was also an important factor in determination of monetary values of the unit collective dose.
Effect of a 60Hz electromagnetic field on the frequency of bleomycin-induced HPRT gene mutation and 1,2,4-benzenetriol-induced sister chromatid exchanges in CHO cell
Chung, Hai-Won ; Kang, Su-Jin ; Lee, Young-Joon ; Kim, Su-Young ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 81~87
The interaction of low density extremely low frequency magnetic field (ELF MF) in the frequency of hypoxanthine-guanine phosphoribosyltransferase (HPRT) mutation induced by bleomycin and on the frequency of sister chromatid exchanges (SCEs) induced by 1,2,4-benzenetriol(BT) was demonstrated. CHO cells pretreated with bleomycin or 1,2,4-benzenetriol were exposed for 24hrs to a sinusoidal 0.8mT magnetic field at 60Hz. Frequency of HPRT mutation and SCEs were determined. ELF MF exposure led to a two-fold increase of the frequency of HPRT mutation induced by bleomycin. No increase of mutation frequency was observed by ELF MF alone ELF MF also increased the frequency of SCEs induced by BT while no Increase of SCE frequencies were observed by ELF MF alone. These results suggest that low density ELF MF field would art as an enhancer rather than as an initiator of mutagenic effects in CHO cell.
Application for Limitation of Food Stuffs in a Radiological Emergency
Lee, Jong-Tai ; Lee, Goan-Yup ; Khang, Byung-Oui ; Oh, Ki-Hoon ; Kim, Chang-Kyu ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 89~94
Intervention levels for foodstuff restriction in a radiological emergency in Korea are suggested based on the justification and the optimization through the cost-benefit approach method from IAEA Safty Series 109 recommendation. Intervention levels are specified for three broad groups of radionuclides with similar values of committed effective dose per unit intake and specified for two broad categories of foodstuff grouped according to value per kg. It is also discussed on the applicability of revised intervention levels for foodstuff restriction.
Decontamination of simulated radioactive metal waste by modified electrolytic Process with neutral salt electrolytes
Lee, Ji-Hoon ; Yuk, Wan-Yi ; Yang, Ho-Yeon ; Ha, Jong-Hyun ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 95~100
Conventional and modified electrolytic decontamination experiment were performed in the 1.7 M solution of sodium sulfate and sodium nitrate tot decontamination of carbon steel as the simulated metal wastes which have been produced in large amounts from nuclear power plants. Anode ant cathode were used as inconel and titanium respective. The reaction time and temperature were 1 hr and
The analyses were performed of the characteristics such as weight loss arid thickness change of metal waste. suspended solid in electrolyte and SEM observation. In modified electrolyte decontamination system with increased current density ranged from 0.1 to
, the metal waste showed thickness changes of
in 1.7 M sodium sulfate and those of
in sodium nitrate. Metal waste in modified electrolyte decontamination system showed the thickness change of
while it reacted up to
in conventional system with
of current density and 1.7 M sodium sulfate. Decontamination efficiencies of modified electrolytic process ate much hither than that of conventional electrolytic process when both are applied to metal waste.
The Distribution of
and PU isotopes in the Coastal Sediment of Korea
Choi, Seok-Won ; Jin, Hyun-Gook ; Kim, Cheol-Su ; Row, Jung-Whan ; Kim, Chang-Kyu ; Rho, Byung-Hwan ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 101~110
The concentrations and activity ratios of
cm) at 15 coastal stations of Korea were determined. The mean concentrations of
, respectively. The mean activity ratios of
and atomic ratio of
, respectively. The concentrations and activity ratios in sediment samples are similar to those reported from neighbouring country in the northern hemisphere. The correlation coefficient of
is 0.80. The correlation coefficient of
and soil organic matter(SOM), and
and clay content are 0.69 and 0.67, respectively.
Safety Assessment for LILW Near-Surface Disposal Facility Using the IAEA Reference Model and MASCOT Program
Kim, Hyun-Joo ; Park, Joo-Wan ; Kim, Chang-Lak ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 111~120
A reference scenario of vault safety case prepared by the IAEA for the near-surface disposal facility of low-and informed]ate-level radioactive wastes is assessed with the MASCOT program. The appropriate conceptual models for the MASCOT implementation is developed. An assessment of groundwater pathway through a drinking well as a geosphere-biosphere interface is performed first. then biosphere pathway is analysed to estimate the radiological consequences of the disposed radionuclides based on compartment modeling approach. The validity of conceptual modeling for the reference scenario is investigated where possible comparing to the results generated by the other assessment. The result of this study shows that the typical conceptual model for groundwater pathway represented by the compartment model ran be satisfactorily used for safety assessment of the entire disposal system in a cons]stent way. It is also shown that safety assessment of a disposal facility considering complex and various pathways would be possible by the MASCOT program.
A Realistic Human Exposure Assessment of Indoor Radon released from Groundwater
Yu, Dong-Han ; Han, Moon-Hee ;
Journal of Radiation Protection and Research, volume 27, issue 2, 2002, Pages 121~126
The work presents a realistic human exposure assessment of indoor radon released from groundwater in a house. At first, a two-compartment model is developed to describe the generation and transfer of radon in indoor air from groundwater. The model is used to estimate radon concentrations profile of indoor air in a house us]ng by showering, washing clothes, and flushing toilets. Then, the study performs an uncertainty analysis of model input parameters to quantify the uncertainty in radon concentration profile. In order to estimate a daily internal dose of a specific tissue group in an adult through the inhalation of such indoor radon, 3 PBPK(Physiologically-Based Pharmaco-Kinetic) model is developed. Combining indoor radon profile and PBPK model is used to a realistic human assessment for such exposure. The results obtained from this study would be used to the evaluation of human risk by inhalation associated with the indoor radon released from groundwater.