- Volume 41 Issue 2
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Preliminary Evaluation of the Activity Concentration Limits for Consumer Goods Containing NORM
- Jang, Mee (Korea Atomic Energy Research Institute) ;
- Chung, Kun Ho (Korea Atomic Energy Research Institute) ;
- Ji, Young Yong (Korea Atomic Energy Research Institute) ;
- Lim, Jong Myung (Korea Atomic Energy Research Institute) ;
- Kang, Mun Ja (Korea Atomic Energy Research Institute) ;
- Choi, Guen Sik (Korea Atomic Energy Research Institute)
- Received : 2015.07.17
- Accepted : 2016.06.13
- Published : 2016.06.30
Background: To protect the public from natural radioactive materials, the 'Act on safety control of radioactive rays around living environment" was established in Korea. There is an annual effective dose limit of 1 mSv for products, but the activity concentration limit for products is not established yet. Materials and Methods: To suggest the activity concentration limits for consumer goods containing NORM, in this research, we assumed the "small room model" surrounding the ICRP reference phantom to simulate the consumer goods in contact with the human bodies. Using the Monte Carlo code MCNPX, we evaluate the effective dose rate for the ICRP reference phantom in a small room with dimension of phantom size and derived the activity concentration limit for consumer goods. Results and Discussion: The consumer goods have about 1600, 1200 and
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