Topic A-7 Q. Summarize for the last 10 years research projects by year which relate to low-level radiation effects on humans. Indicate project with a brief description, dollar level, who is doing the project and of what agency. A. The following studies have been done with relation to biological effects of low level ionizing radiation on humans. Argonne National Laboratory ($ in Thousands) - $2600 Medical Studies of Marshall Islanders - R. A. Conard 420 A study of a large group of people that acquired appreciable body burdens of radium by occupational exposure and from medical administration. About four years ago, a study of thorium workers were initiated. Brookhaven National Laboratory Follow-up of Marshallese exposed to fallout from nuclear weapons testing. a kre tee «es | ge eo -_.. oo eee ee eee Radium Studies - A. F. Stehney Los Alamos Scientific Laboratory Plutonium in Tissue Study - J. F. McInroy 264 Actual measurement of tissue depositions of plutonium in workers to verify the accuracy of estimated body deposition based on bioassay. Health of LASL Plutonium Workers - G. L. Voelz | 405 Epidemiological study of mortality and morbidity Of al] Pu-workers in the U.S. since 1944. Oak Ridge National Laboratory Public Health and Demographic Studies - D. J. Jacobs DOE AR CHIVES , 75 Mortality trends in populations surrounding nuclear installations. /6 6