ACTIVATION ANALYSIS--ANTIMONY--BROMINE--CESIUM- -COBALT~-COPPER-DETERMINATION--ERRORS--GAMMA SPECTROMETERS--IRON--NEUTRON BEAMS~-SCANDIUM-SHIELDING--SILVER--SODIUM--TISSUES--TRACE AMOUNTS--ZINC ACTIVATION ANALYSIS--AEROSOLS--ANTIMONY--CESIUM- -CHROMIUM-~COBALT-DETERMINATION--FILTERS--IRON--LEVELS--NEUTRON BEAMS--SCANDIUM--S2LVER-SODIUM--STRATOSPHERE--ZINC ° ADSORPTION--ANTIMONY--CESIUM--COBALT~ -CONTAINERS --GLASS-- INDIUM- -ITRON~POLYETHYLENES - -PYREX--RUBIDIUM--SCANDIUM-~-SEA--SILVER--STRONTIUM--SURFACES - -URANIUM--VESSELS--WATER-- ZINC ACTIVATION ANALYSIS--ALUMINUM- -ANTIMONY--BARIUM--BROMINE--CERIUM--CESIUM - ~-CHROMIUM- -CLAYS --COBALT- -DEPOSITS~--DETERMINATION--EUROPIUM- -GAMMA SPECTROMETERS --IRON--LANTHANUM- -MANGANESE--NEUTRON BEAMS~--POTASSIUM-SAMARIUM--SCANDIUM--SEA--SEDIMENTS~-SODIUM--THORIUM--TRACE AMOUNTS -VANADIUM--YTTERBIUM-- ZINC ACTIVATION ANALYSIS-~-ANTIMONY--COBALT--DETERMINATION--GAMMA SPECTROMETERS --NEUTRON BEAMS--PACIFIC OCEAN--RUBIDIUM--SCANDIUM- ~SEA--STRONTIUM--TRACE AMOUNTS - -URANIUM- -WATER-- ZINC ABUNDANCE--ACTIVATION ANALYSIS--ANTIMONY--BERYLLIUM 7--CESIUM--CESIUM 137 ~-COBALT--COBALT 60--DETERMINATION--ENVIRONMENT-~-FISH--GAMMA SPECTROMETERS -~-IRON--IRON 55--LEAD--LEAD 210--MANGANESE 54--NEUTRON BEAMS--PACIFIC OCEAN --POLONIUM 210--RADIUM 226--RUBIDIUM--RUTHENIUM 106--SCANDIUM--SEA--SILVER -~-STRONTIUM--THORIUM 228--TRACE AMOUNTS--URANIUM--WATER--ZINC--ZINC 65 ANTIMONY --COBALT--COPPER--DEPOSITS-- IRON--LANTHANUM--MANGANESE--PACIFIC OCEAN--SCANDIUM--SEA-~TRACE AMOUNTS--WATER--ZINC ABUNDANCE--ATLANTIC OCEAN--BERYLLIUM 7--PACIFIC OCEAN--SEA--WATER ABUNDANCE~-ESKIMOS--FALLOUT--FISH--IRON 55--MAN--PACIFIC OCEAN-POPULATIONS --SALMON--SEA ABUNDANCE--ANTIMONY 125--BARIUM 140--BIKINI--BISMUTH 207--CERIUM 141-CERIUM 144--CESIUM 137--COBALT 60--EUROPIUM 155--IRON 55--ISLANDS--LEAD 210 --MANGANESE 54--NIOBIUM 95--PACIFIC OCEAN--PRASEODYMIUM 144--RHODIUM 101-RHODIUM 102--RUTHENIUM 103--RUTHENIUM 106--SEA--SILT--SOILS--STRONTIUM 89-STRONTIUM 90--THALLIUM 208--ZIRCONIUM 35 AIR--DESIGN--FALLOUT--LABORATORY EQUIPMENT--OPERATION-~TRANSPORT ABUNDANCE--CESIUM 137--IRON 55--MAN--NORTH AMERICA--USA--WASHINGTON BIOLOGICAL MATERIALS--BIOLOGY-~--ENVIRONMENT - -PERFORMANCE--RADIATION DETECTORS - -SEMICONDUCTORS . w Subject Headings/Modifiers: HYDROFLUORIC ACID/effects on electrodeposition of americium-241 and plutonium-239 from ashed biological materials in presence of iron CERIUM ISOTOPES Ce-143/determination in reactor effluent and river water by group separation and $gamma$ spectrometry EUROPIUM ISOTOPES Eu-152/determination in reactor effluent and river water by group separation and $gamma$ spectrometry EUROPIUM ISOTOPES Eu-156/determination in reactor effluent and river water by group separation and $gamma$ spectrometry 90035b2 CERIUM 141--CERIUM 143--COLUMBIA RIVER--COOLANTS --DETERMINATION-DYSPROSIUM 165--ERBIUM 171--EUROPIUM 152--EUROPIUM 154--EUROPIUM 156-GADOLINIUM 159--GAMMA SPECTROMETERS--HOLMIUM 166--HYDROLOGY--LANTHANUM 140 --NEODYMIUM 147--NORTH AMERICA--PRASEODYMIUM 142--REACTORS--RIVERS-SAMARIUM 153--SCANDIUM 46--SEPARATION PROCESSES--TERBIUM 160--USA-WASHINGTON--WATER--YTTERBIUM 169--YTTERBIUM 175--YTTRIUM 92--YTTRIUM 93

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