Measurements of fall-out radioactivity in Greenland in 1974 are reported. Strontium-90 (and Caesium-137 in most cases) was determined in samples of precipitation, sea water, vegetation, animals, and drinking water. Estimates are given of the mean contents of 90Sr and 137Cs in the human diet in Greenland in 1974. Three Greenlanders were measured by wholebody counting.
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