INDEX concentration of fission products from Chinese shot, 613-14 correlation of debris deposition with rainfall factors, 507-21 effect on !81Cs content of Norwegian milk, 875 effect on debris deposition, 723-36, 784 effects on deposition at Richland, Washington, 213-15 effects on %Sr content in air, 624, 627-28 intensity effects on particle washout, 566, 570, 572, 575-76, 579-80, 691 intensity effects on uptake by forage, 710 particle washout by, kinetics studies, 281-300 point samples, representativeness of, 514-15 radioisotope content in Arkansas, 602, 605-9 radioisotope removal from foliage, 773 radioisotopes in, 217-19 sample collection network in Oklahoma, 528~31 sampling in Brazil, 791-99 sampling, duration estimates, 688, 691 sampling in Michigan, 726-27 strontium-90 content, effect of meteoro- logical processes, 582-600, 668-72 1963, 648-49, 668-73 variability of nuclear debris in, 511-14, 532-65 Ramos, E. **Studies of Sr and Stable Strontium in Diet and Bone in Argentina’’, 850-58 Rangoon, Union of Burma tritium concentrations since 1961, 653 Raoult’s law deviations from, in fission product interactions with substrate materials, 1 Rare gases incorporation in fallout particles, 21-2 Ratios (see Activity ratios, Intensity-activity ratios, and Tritium/hydrogen ratio) Rats urinary Cs/Sr ratio, 891-92 Reactors (see Nuclear reactors) Redwing Operation cloud sampling at various heights, 629, 632-34, 637-38 Reindeer cesium distribution in muscles, 899 sodium-22 content, 220 Reiter, Elmar R. ‘*Atmospheric Transport Processes Leading to Radioactive Fallout over the United States in November 1962’’, 450-63 Reykjavik, Iceland tritium monitoring, 651, 671, 672 Relative humidity (see Humidity) Residence time cadmium-109 in stratosphere, 325 943 debris in stratosphere, 325, 380-82, 477, 494 iodine on plants, 768, 831, 901-2 radioisotopes on plant foliage, 768, 900-2 rhodium-102 in stratosphere, 325 tungsten-185 in stratosphere, 381-82 Rhodium-102 content in stratosphere, 327, 417-20 content in surface air, 499 half-residence time in stratosphere, 325 tracer studies in atmosphere, 405-8 Rhodium-106 activity in atmosphere above Pacific Northwest, 432, 433 content in stratospheric air sample, 609-10 contribution to total fission product activity, 30, 33 environmental level studies, 235-38 gamma ray spectroscopy, 190, 193 Rhodium-106 systems (10%Rh-16¢Ru) determination in rainwater, 569, 574, 575, 577, 578 Rhodium-109 contribution to total fission product activity, 30 Richland, Washington radioisotope concentrations in air during 1962-1964, 206-7 Rijswijk, Netherlands air activity studies during 1962, 488-89 Rio de Janeiro, Brazil air radioactivity data, 798 debris deposition data, 794 strontium-90 deposition data, 796 Rivera, Joseph “‘Cesium-137 and Strontium-90 Retention Following an Acute Ingestion of Rongelap Food’’, 743-57 ‘*Radiation to Bone from “Sr in New York City Residents’’, 737-42 Rongelap Island food products, 18T1Cs and Sr content, 746-47 radioisotopes in diet, 898-99 Roser, Francisco X. ‘Some Aspects of Fallout in Brazil’, 791-399 Row charge bursts deposition patterns, 349-52, 355 Rubidium-88 contribution to total fission product activity, 30, 33 Rubidium hydroxide formation in molten soil systems, 37 Rubidium hydroxide systems (NaOQH-RbOH) formation in fireball, 38 Rubidium oxide systems (fused) equilibration diagram for 12720C, 36-7 Rural areas strontium-90 ingestion estimates for U. S., 879-92 Russia (see Union of Soviet Socialist

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