抄録
After one year of the accident of nuclear power plant in Fukushima, Japanese government decided to set new standard for radioactive materials in foods.
Cesium 134 and 137 are the target radioactive materials for standards. According to the Codex commission recommendation, intervention level of maximum radiation is 1 milli Sievert per year. 100 becquerel (Bq)/kg is the maximum limit for all foods except for drinking water including green tea, milk, and baby foods. This maximum limit is calculated from the basic consideration that 100% of domestic foods are contaminated from radioactive materials and 50% of all foods are imported. Maximum limit of drinking water is 10 Bq/kg and that of milk and baby foods are 50 Bq/kg.
