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원자력폐기물 소각공정에서의 작업자 및 인근주민의 피폭선량에 따른 안전성 평가
서용칠 한국산업안전학회 1993 한국안전학회지 Vol.8 No.4
For the safety assessment of the demonstration-scale incineration plant for treating the combustible radioactive wastes, radiation doses of a worker and a residential individual were estimated. The demonstration plant showed a good performance of trial-burn tests using non-radioactive tracers with resulting in high mass reduction of around 40 times and very low emmission of dusts through a stack, which promised a high decontamination factor in an order of 10^7. Based on the results obtained from the trial-burns in the process, the estimation of radiation dose for workers and general publics near the plant was made using dose pathway calculation theories. The parametric values for calculation were selected from design and operational results of the process and from more conservative conditions in reference data. The estimated annual doses for workers and residential indivisuals were 3.07 × 10^(-4) and 4.35 × 10^(-8) μSv//y, respectively, which were high enough to operate the process when comparing with the allowable dose limit in the regulation. The dose calculation models were quite applicable with showing an excellent safety for the process.