REFERENCES 1. Hearings before the Special Subcommittee on Radiation of the Joint Committee on Atomic Energy, "The Nature of Radioactive Fallout and Its Effects on Man," May 27-29, June 3-7, 1957, Parts 1 and 2. Government Printing Office, Washington, 1957. U. S. 2. The Biological Effects of Atomic Radiation, National Academy of 3. "The Hazards to Man of Nuclear and Allied Radiations.” h, Sciences (1956) Research Council (1956) "Environmental Contamination from Weapons Tests." Harley, John H., Lough, S. Allan. Summarized. be British Medical Hardy, Edward P., Jr. HASL-42, June 16, 1958. U. S. Data “An Approach to a General Method of Computing Doses and Effects From Fallout." (Document A/3858) Prepared by Secretariat of U. N. With Experts of U. N. Seientific Committee on the Effects of Atomic Radiation. Has all standard problems worked out theoretically but neglects effect of follar uptake on body burden. 6. Report of U. N. Scientific Committee on the Effects of Atomic Radiation. Gen. Assembly, Official Records 13th Session, Supplement #17 (A/3838). 7. "Strontium-90 in Food." Kulp, J. L., Slakter, R., Schulert, A. R. Paper read before the Div. of Ind. & Eng. Chem. of the Am. Chem. Society, Sept. 11, 1958, and Science 128, 85 - (1958). 8. 9. Radioactivity of People and Foods. Fisher, W. R. and Langham, Wright. "Radioactivity of People and Milk." 882-6 (1958) Anderson, E. C., Schuch, Robert L., Science, 125, p. 1273, 6/28/57. Anderson, E. C., Science 128, General presentation of cesium-137 content of people and milk content is roughly proportional to rainfall. The internal cesium-~-137 dosage in 1957 was .19 mr/yr and the external cesium-137 dosage in 1957 was about .84 mr/yr for an average of 44 micromicro- curies of cesium-137 per gram of potassium and 41 in 1956. ce Py oS A discrimination factor of 1.8 favorable to potassium relative to cesium was found in the body uptake of cesium-137 in milk and about half of the cesium-137 was found to come from milk and half from other foods. The fact that the body content in 1957 is not appreciably higher than it was in 1956 strongly suggests that the principal pickup is from foliar assimilation and ncs from the soil because this would be proportional to the rate rather than the total fallout. Dow ARCHIVES ave wy ee

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