the area in and arcund the Reactor Test Jtation. Arrangezent3 were for collection of vegetation, animal, soil and water samples. This s will include meagurements of the natural radioactive elements in the a water and vegetation as well as a determination of the radioactivity of air. A contract was made for the Idaho State Colleze at Pocatello to make an ecological survey of the Reactor Test jtation site and to collect samles of the vegetation ami animals, Arrangements were made with Hanford for the radioactivity analysis of the samples of vegetation, animals and water and the determination of the radioactive baskground of the air is also being dme by Hanford. Four auto- matically regording stations were installed in the vicinity of the Reactor Test station, The Biophysics Branch was represented in a conference on June 20 and 21 at Richland, Washington, im which the scope of a proposed U, J, Public Health Jerfice of the Columbia River was discussed with representatives of this Service and preliminary plans made for usefully integrating it with the Realth Instrumente enviromental studies already under way or planned as a part of the Hanford progran, A symposium on the "Basic Aspects of Hadiation Sffects on Living aystens" was held at Oberlin College, Oberlin, Ohio, June 14-15, Or. 3hielda Warren disauased "The Aetee Effects of Ionizing Hadiation in Man". The aympoaiua, attended by approximately 300 people, including three from the Division of Biology and Medicine and a great many from ASC installations, was held under the auspices cf the National gesearch Council with joint support by this Division and the Office of Naval Research. CIVIL DEFENSE LIAISON BRANCH Radiation Emergency Control Prokran. 1. With 18 monitoring teams in the preliminary field training period, considerable effort has been expended in gathering from various sources up te date maps of each of the 197 cities of 50,000 population and over (1940 census). This process of collection is rapidly nearing completion with a present file of 15 eoples each, of all but a scattered few cities in the Chicago, Oak Ridge and Janta Fe areas. completed. The New York and Hanford areas are As scen as some 16 remaining sets of maps are received and prepared, shipment ¢an be made to each Operations Office. 2. <A Standard Operating Procedure for the Washington team was prepared, closely paralleling the Oak Ridge procedure. GPO OFFICE > SURNAME > ars . DOZ ARCHIVES 16—55741-1