IS793 UNCLASSIFIED AECU-3297(Rev.) HEALTH AND SAFETY PROPERTY OF U.S. PUBLIC HEALTH SERVICE UNITED STATES ATOMIC ENERGY COMMISSION STRONTIUM-90 CONCENTRATION DATA FOR BIOLOGICAL MATERIALS, SOILS, WATERS AND AIR FILTERS Project Sunshine Bulletin No. 12 By E. A. Martell August 1, 1956 Enrico Fermi Institute for Nuclear Studies University of Chicago Chicago, Illinois Technical information Service Extension, Oak Ridge, Tenn. UNCLASSIFIED