INDEX Environment controlled 131] release studies, 821-35 gamma ray levels from deposited fission products, 233-43 ~man-made radiation in, information program, 836-49 radiological , study program for Small Boy shot, 45, 47-8 survey of Enrico Fermi Reactor area, 728 Erickson, Nils E. ‘*Fission-Product Concentrations in the Troposphere and Lower Stratosphere over the Pacific Northwest since 1962’’, 428-35 ‘‘Tropospheric 4C Values in the Pacific Northwest and the Arctic Basin during 1964’, 422-27 Eriksson, Erik “‘Oxygen-18, Deuterium, and Tritium in Natural Waters and Their Relations to the Global Circulation of Water’’, 929 Feces calcium content after Rongelap diet ingestion, 747-55 strontium-90 content after Rongelap diet ingestion, 747-55 Federal Radiation Council Radiation Protection Guides, 759, 778-80 Feely, Herbert W. “Stratospheric Distribution of Nuclear Debris in 1962, 1963, and 1964’’, 301-22 Ferber, Gilbert J. ‘Distribution of Radioactivity with Height in Nuclear Clouds”’, 629-45 Fick ’s law atmospheric dispersion studies, 374-76 radioisotope diffusion in vapor state, 16-17 stratospheric transport studies, 387 Filters for ground level air sampling, 204 particle size resolution using, 119-33 675-86 Ethylene radioactivity, correlation with ionexchange column data, 791, 797-98 determinations, 648 Ethylene polymers shots, 85 stratospheric aerosol sampling, 158-60 for stratospheric air sampling, 210 surface air sampling, 497-98 types used in 80th Meridian Air low background, use in tritium (see Polyethylene) Europe tritium concentrations since 1961, 651, 657-58, 664-65 Evaporation raindrops during fall, effect on 9Sr content, 583, 594-95 Excretion calcium after Rongelap diet ingestion, T47~-55 cesium-137 after Rongelap diet ingestion, T47~-55 strontium-90 after Rongelap diet ingestion, 747-55 Fairhall, Arthur W. F **Fission-Product Concentrations in the Troposphere and Lower Stratosphere sampling of Sedan and Small Boy Sampling Program, 478-80, 618 Fireball fission product concentration in, effects on compound formation, 38-9 Fish consumption in U. S. diets, 880 sodium-22 content, 219 Fission products (see also specific fission products, e.g., Cesium-137) activity in atmosphere above Pacific Northwest, 432, 433 activity measurementalong 80th meridian, 480-93 altitudinal distribution in stratosphere, 158-82 over the Pacific Northwest since concentration in fireball, effects on 1962’, 428-35 compound formation, 38-9 concentration in rain from Chinese shot, 613-14 content in agricultural samples, “‘Tropospheric 44C Values in the Pacific Northwest and the Arctic Basin during 1964’’, 422-27 Falkland Isiands tritium concentrations since 1961, 655- 56 tritium content in rain, 671 FaHout materials (see Debris, Fission products, Particles, Radioisotopes, and specific radioisotopes) Fallout processes (see Deposition, Precipitation, Storms, Washout, Winds, etc.) Farex strontium-90 content of, in Argentina, 851-53 variability of, 711-22 content in northern stratosphere, 609-13 content in rain, 602-9, 613-14 decay on plants, effect on 131I buildup, 895-96 decay rate of, from Dominic Operation, 98, 101, 104-6 determination by gamma ray spectroscopy, 185 diffusion in fused silicates, 13-14 fractionation studies in old samples, 34 gammaray data, 114 individual contributions to total activity, 30, 33

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