A Study on the Food Consumption Rates for Off-site Radiological Dose Assessment around Korean Nuclear Power Plants

국내 원자력발전소 주변 주민의 방사선량 평가를 위한 음식물 섭취율 설정 연구

  • Lee, Gab-Bock (Korea Electric Power Research Institute, Korea Electric Power Corporation) ;
  • Chung, Yang-Geun (Korea Electric Power Research Institute, Korea Electric Power Corporation)
  • 이갑복 (한국전력공사 전력연구원) ;
  • 정양근 (한국전력공사 전력연구원)
  • Published : 2008.12.30

Abstract

The internal dose by food consumption mostly accounts for radiological dose of public around nuclear power plants (NPPs). But, food consumption rates applied to off-site dose calculation in Korea which are the result of field investigation around Kori NPP by the KAERI (Korea Atomic Energy Research Institute) in 1988, are not able to reflect the latest dietary characteristics of Korean. The food consumption rates to be used for radiological dose assessment in Korea are based on the maximum individual of US NRC (Nuclear Regulatory Commssion) Regulatory Guide 1.109. However, the representative individual of the critical group is considered in the recent ICRP (International Commission on Radiological Protection) recommendation and European nations' practice. Therefore, the study on the re-establishment of the food consumption rates for individual around nuclear power plant sites in Korea was carried out to reflect on the recent change of the Korean dietary characteristics and to apply the representative individual of critical group to domestic regulations. The Ministry of Health and Welfare Affairs has investigated the food and nutrition of nations every 3 years based on the Law of National Health Improvement. The statistical data such as mean, standard deviation, various percentile values about food consumption rates to be used for the representative individual of the critical group were analyzed by using the raw data of the national food consumption survey in $2001{\sim}2002$. Also, the food consumption rates for maximum individual are re-estimated.

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