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J Radiat Prot > Volume 8(2); 1983 > Article
Journal of Radiation Protection 1983;8(2):8-0.
트리튬($^{3}H$)의 단일(單一) 및 만성섭취(晩性攝取)에 대한 한국인(韓國人)의 내부피복(內部被曝) 선량(線量) 계산(計算)
김장렬;육종철;하정우;
Calculation of Internal Exposure Dose in Korean Man Resulting from Single and Chronic Intake of Tritium
Kim, Jang-Lyul;Yook, Chong-Chul;Ha, Chung-Woo;
ABSTRACT
The doses to Korean adult by a single and chronic intake of tritiated water are determined using a three compartment model, which describes the retention of tritium radionuclide in body water and in bound organic form in the body. The results show that the total dose of a single intake, using retention half-time for the three-compartment of 9, 30, and 450 days, is 17.64 mrads ($176.4{mu}Gy$) per 1mCi/kg ($3.7{times}10^7Bq/kg$) intake, 97% of which is due to tritium in body water and 3% to bound tritium in tissue. In the chronic intake of 1mCi/day($3.7{times}10^7Bq/day$) tritiated water, the total dose is 85.5 mrad/day(0.855mGy/day). Furthermore, in this study (MPC) a and (MPC)w values of tritium for Korean man are calculated by using the modified formula originated from ICRP Publication-2. From the results, we found that the (MPC) a, w values of ICRP underestimated approximately 50%, the (MPC)a, w values of Korean man must be elevated as high as approximately 50% than that of ICRP.
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