Radioactivity survey data in Japan. Pt. 2. Dietary materials

This is a report on radioactivity in Japan issued by National Institute of Radiological Sciences, Chiba on March, 1997. This data relates to some environmental materials such as rain and dry fallout, airborne dust, service water, freshwater, soil, sea water and sea sediments and some dietary materials such as rice, milk, vegetables, sea fish, freshwater fish, shellfish, and seaweeds, which were collected from Oct. 1994 to Mar. 1995. In the survey data, followings are contained: 1) Collection and pretreatment of samples, 2) Preparation of samples for analysis, 3) Separation of Strontium-90 and Cesium-137, 4) Determination of stable Strontium, Calcium, and Potassium, 5) Counting, 6) Results, and 7) Contents of Figure. (G.K.)