ee stan a vee aban ce meme . ayes : negmamimty oA Hap ne! emeersomrene ss for all ages. For the assumed p.__ enof intake of cesium-137 in milk, the dosevaries within the range of ages from birth through adult life ‘by a factor of four to five, with males less than Lawe.t ofage receiving the hizhest dose. 7 cicr-ae% socute contaminating event, the time @ + aatsaum cesium-137 body burden is a funca .J.age. Maximum body burdens from milk “ecrsamption may occur in about 25 days after z.. acute contaminating event for those ex- “gected t. receive the highest dose; i.e., those “ae: onan } year of age. it : estimated that for a long-term, slowly cz-ging intake of cesium-137, such as ocearred from use of fresh whole milk supplies , ay the U.S. population in 1964, males 15 to 20 >.*. af age had the highest body burdens; ane *‘ess than 1 year of age, male and female, «+ ‘owest body burdens; and females of alee MR* nad lower body burdens than males of "SM 5: 4° age. surements of cesiam-13 zirconium-95 in human beings. Nature 195:851-864 (1962). (8) ANDERSON, E. C., R. L. SCHUCH, W. R. FISHER, and W. H. LANGHAM. Radioactivity in rt) people and foods. Science 126:1273 (1957). RUNDO, J. A survey of the metabolism of cesium in man (a compilation of measurements by manyin- vestigators). The British Journal of Radiology 37: 108-114 (February 1964). (10) JORDON,R. D., et al. Cesium-137 chloride retention following accidental ingestion. Radiation Exposure Evaluation Laboratory, U.S. Naval Hospital, ational Naval Medical Center, Bethesda, Maryland (11) MILLER, C. E. Distribution and retention of / "Cs after ‘accidental inhalation. Health Physics 10:1065-1070 (December 1964 (12) BENGTSSON,L. G., Y. NAVERSTEN, and K. G. SVENSSON. Maternal and infantile metaboliem of cesium. Report No. SM/52-51. Radiation Physics Department, University of Lund, Sweden. (13) RUNDO, J. Personal communication obtained from Report of the United Nations Scientific Com- mittee on the Effects of Atomic Radiation, Nineteenth Session, Supplement No. 14 (A/5814) (1964). (44) LEROY,G.V., J. H. RUST, and R. J. HASTER- LIK. The consequences of ingestion by man of real and simulated fallout. Argonne Cancer Researe Hospital Report No. ACRH-102 (1964). (15) PENDLETON, R. C., C. W. MAYS, R. D. LLOYD,and B. W . CHURCH (University of Utah). aclERENCES 9 RUNDO, J.. and B. T. TAYLOR, The assessment ot radioactive cesium in man. Symposium on assessw--+ of radiorctive body burdens in man, Heidelberg, F-deral Repuolic of ermany, May 11-16, 1964, Report No. SM-52/6 (May 196 }. «2. MIETTINEN, J. JOKELAINEN, P. ROINE, K. LIDEN, and Y. NAVERSTEN Cesium- 147 and potassium in people and diet—a study of finnish Lapp:. Annales Academiae Scientarium Fennicae, Series, A, H. Chemica (February 8, 1963). (3) HANSEN, Cc. H. E. PALMER, and B. I. GRIFFIN. Radvonctivite in Northern Alaskan Eskimos and their foods, summer 1962. Health Physics 10:421~429 (Sune 1964). (4) FONI, A. L. Correlation of 1°*Cs concentrations in milk, urine, and the whole body. Report No. DPSPU 64-30-10A (May 1965). (5) BROOKHAVEN NATIONAL LABORATORY. Medical survey of Rongelap people five and six years aft-r cxposur to fallout. Report No. BNL 609 (T179) (Septen:oer 1960). 16) RUNDO, J.. (7) RUNDO, J., and D.2Jar Some recent mea- J. I. MASON, D. NEWTON,and B. 1. TAYLOR. Biological half-life of cesium in man in acute and ch-onic exposure. Nature 200:188-189 (October 1965). Radiological Health Data is published by the Public Health Service on a monthly basis. Data are provided to the Division of Radiological . Health by other Federal agencies, State health departments, and foreign governments. Perti- nent original data and interpretive papers are A trophic level effect on the accumulation of 13°Cs. A paper presented at the Symposium on Radiation: and Terrestrial Ecosystems, at Battelle~Northwest Laboratory (May 3-5, 1965). (16) MALETSKOS, C. J., and M. CLAPP. Radium and mesothorium poisoning and dosimetry and instru” mentation techniqu es4Na radioactivity, Report ‘ No. MIT-962-1 WD, ONSTEAD,C. O, E OBERHAUSEN, and F. V. EARY. Cesium—137 in man. Science 137:508-510 rycet 1962). (18) ADVISORY COMMITTEE, DIVISION OF MEDICAL SCIENCES. Implications to man of irradiation by internally deposited strontium-89, strontium-90, and cesium-137 (report). National Academy of Sciences, National Research Council (December 1964). (19) FEDERAL RADIATION COUNCIL. Back-— ground material for the developmentof radiation pro tection standards (staff report). FRC Report No. (May 1965): *(20) PUBLIC HEALTH SERVICE. Pasteurized Milk Network, December 1962. Radiological Health Data 4: 183-187 (April 1963). (21) PUBLIC HEALTH SERVICE. Pasteurized Milk Network, December 1963. Radiological Health Data 5:169-173 (April 1964). invited from investigators. Accepted material will be appropriately credited. The reports are reviewed by a Board of Editorial Advisors with — representatives from the following Federal agencies: Department of Health, Education, and Welfare Atomic Energy Commission Department of Defense Department of Agriculture Department of Commerce — ee 718 GPO 903-820 Radiological Health Data 322%[plos/P(OZz