AIR RADIOACTIVITY AT SELECTED STATIONS IN NORWAY AFTER THE CHERNOBYL REACTOR ACCIDENT.
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The activities of 103Ru, 131I , and 137Cs in air and precipitation sample at some Norwegian stations after the Chernobyl reactor accident are reported. Two periods of increased radioactivity occured, in the first of these total airborne radioactivity increased uo to three orders of magnitude over the normal background. The radionuclide concentrations measured in Scandinavia were among the highest measured after the accident.