INDEX tritium concentrations since 1961, 653 Union of South Africa tritium concentrations since 1961, 652, 657 Union of Soviet Socialist Republics weapon tests, sampling after, 161-62 302-22, 409-20, 504-5 United Arab Republic tritium concentrations since 1961, 651, 658 United States (see also individual states) debris deposition in Nov. 1962, atmoapheric processes involved, 450-62 dietary intake of radioisotopes, 877-93 milk consumption estimates, 884-89 tritium monitoring, 655-56, 662-63 weapon testing, 302-22, 504-5 Uranine (see Sodium fluorescein) Uranium-233 fission product abundance calculations for various neutron energies, 24 Uranium-235 fission product abundance calculations for various neutron energies, 24 fission products, beta decay curve, 105 fission products, radionuclide content, 101 Uranium-237 determination in particles from Dominic Operation, 108-18 Uranium-238 environmental level studies, 240-42 fission product abundance calculations for various neutron energies, 24 fission by thermonuclear neutron spectrum, 1 Uranium oxides (UO) fission product fractionation studies, 249 Urban areas (see Cities and specific cities, e.g., Chicago) Urine analysis for Sr intake in U. S., 889-92 analysis for cesium intake, 902 calcium content after Rongelap diet ingestion, 747-55 cesium-137 content after Rongelap diet ingestion, 747-55 cesium/Sr ratio in rats, 891-92 sodium-22 content, 219 strontium-90 content after Rongelap Utah diet ingestion, 747-55 environmental gamma ray levels, 240 Valentia, Ireland tritium concentrations since 1961, 651, 658 tritium decline after testing cessation, 663 Vallassis, V. T. 951 ““Strontium-90 on the Earth’s Surface. I’, 359-68 Vegetables cesium-137 content in Chicago, 788 consumption in U. S. diets, 880 strontium-90 content of, in Argentina, 851-53 Vermont environmental gammaray levels, 240 Vienna, Austria strontium-90 concentrations, 669-71 tritium concentrations since 1961, 651, 658, 669-72 tritium decline after testing cessation, 663 Vitamin D effect on body absorption of alkaline earths, 900 Volatility soil constituents, debris formation studies, 35-7, 38-9 Volcanos (see Mauna Loa volcano) Volchok, Herbert L. “Characteristics of Relative Sr Concentrations in Surface Air’’, 616-28 Vorticity debris deposition studies, 451-62 potential, correlation with atmospheric radioactivity, 436-49 Waco, Texas Ww tritium monitoring, 655-56, 662, 671 Wake Island tritium concentrations since 1961, 654 Ward, Gerald M. ‘‘Cesium-137 Passage from Precipitation to Milk’’, 703-10 Washington (state) carbon-14 content of troposphere in 1964, 422-27 environmental gamma ray levels, 240, 242 fission product content in atmosphere, 428-35 Washington, D. C. air sampling in 1957-1963, 479, 481, 484, 486, 489, 618-20 tritium concentrations since 1961, 655 Washington, University of **Figsion-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 Washout (see also Rain) cloud height effects, 699 effects of rain intensity, 566, 570, 572, 575-76, 579-80 effects of rainfall factors, 213-15, 507-21, 724-25

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