Environmental Radioactivity

accident alpha amount atmosphere Atomic Energy Commission average biological bone calcium Calif carbon cent cesium Chap chemical coolant core debris decay deposited detonation diffusion discharged dose rate downwind dust effects effluents environment environmental contamination estimated explosion factor fallout fission products fuel gamma radiation given gonads half-life Hanford hazards ICRP industry inhaled intake iodine ionizing radiation irradiation isotopes Laboratory located lung Marshall Islands maximum permissible concentration measurements milk natural radioactivity neutrons nuclear weapons nuclides Oak Ridge occur ocean operation organ particles period plants plutonium plutonium 239 population power reactors r/hr radiation exposure Radiation Protection Guides radio radioactive materials Radioactive Waste radioiodine radioisotopes radionuclides radium radon range relatively release rems Rept result River Rongelap samples shown in Fig soil sources stations stratosphere strontium 90 studies surface TABLE tanks temperature thorium thyroid tion United uranium values velocity weapons testing