INDEX 836-49 Tanganyika tritium concentrations since 1961, 652 Tata Institute of Fundamental Research, Bombay tritium monitoring project, 647 Teapot ESS burst debris deposition model for, 3446-47, 349 gammaactivity of close-in fallout, 333-35 Technetium-99 systems (99Mo-%Tc) activity in 235U fission product mixture, 99, 101 Technetium-101 contribution to total fission product activity, 30 Tecumseh, Michigan environmental survey, 728 rain sampling, 726-27 Teen agers strontium-90 ingestion estimates for U. S., 879-92 Teheran, Iran strontium-90 content in rain, 671 tritium monitoring, 653, 659, 671 tritium decline after testing cessation, 663 Tel Aviv, Israel tritium concentrations since 1961, 651, 658 Tellurium-99 contribution to total fission product activity, 30, 33 Tellurium-127 contribution to total fission product activity, 30 Tellurium-129 contribution to total fission product activity, 30 Tellurium-129m activity in 235U fission product mixture, 99, 101 determination in particles from Dominic Operation, 108-18 Tellurium-131 contribution to total fission product dose rate, 33 Tellurium-132 abundance in Small Boy shot, comparison with Sedan shot, 90, 92 contribution to total fission product activity, 30, 33 determination in particles from Dominic Operation, 108-18 fractionation predictions for, 9-10 fractionation ratio with %Zr, data from silicate bursts, 72-81 Tellurium-132 systems (1%]-12Te) activity in 235U fission product mixture, 99, 101 detection in surface air, 498 Tellurium-133 contribution to total fission product activity, 30, 33 Teliurium-134 949 contribution to total fission product activity, 30, 33 Tellurium oxide hydroxide (TeO(OH)2) formation in molten soil system, 37 Temperature atmospheric, effects on debris deposition, 460-62 atmospheric, Springfield Project studies, 442-43, 448 effect on circulation in lower stratosphere, 392-404 inversions of, effect on %Sr content of precipitation, 583, 599-600 Terrain attenuation factor for, Small Boy shot data, 62-3 roughness effects on measured radioactivity, 51 Texas strontium-90 content in rain, 671 tritium concentrations since 1961, 655- 56, 662 tritium content in rain, 671 Texas Instruments, Inc. “Fallout Measurements by TotalAbsorption Gamma-Ray Spectros- copy’’, 183-97 Thallium-204 origin in atmosphere, 693 reference standard for beta activity, 689 Thallium-208 determination by gamma ray spectroscopy, 185 environmental level studies, 235-38 ground surface amounts at various times in 1964, 190 Thatcher, L. L. “Trends in Global Distribution of Tritium since 1961’’, 646-74 Thermodynamic equilibrium model fractionation studies, 5, 10-23 Thomas, C. W. ‘‘Measurements of Airborne Radionuclides and Determination of Their Physical Characteristics’’, 198-221 Thomasian, A. “Cadmium-109 Results for up to 20 km’’, 405-8 Thompson, J. C., Jr. “Dietary Intake of Radionuclides; Effect of Consumption Patterns and Evaluation by Use of Integrating Samples’’, 877-94 Thorium-232 soil content vs. dose rate data, 239 Thule, Greenland air sampling in 1957-1963, 479, 481, 484, 486, 489, 618-20 Thunderstorms debris scavenging studies, 525 strontium~90 deposition by, effect of meteorological processes, 582-92 Thyroid human, dose from hypothetical milk contamination incident, 779

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