Clams as Indicators of Strontium-90

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Science  06 Jul 1962:
Vol. 137, Issue 3523, pp. 38-39
DOI: 10.1126/science.137.3523.38


Fresh-water clams concentrate strontium-90 in their shells and may be used as indicators of the Sr90 contamination of their environment. Analysis of data derived from the specific activity of Sr90 in shells showed that Sr90 released to the Tennessee River system remained in solution and that concentrations to a distance of 500 miles from the release site can be predicted on the basis of the dilution of contaminated White Oak Creek water by uncontaminated Clinch-Tennessee River water.