Rhodium-102 Fallout: Variations in Deposition and Concentrations in Precipitation

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Science  28 Jun 1963:
Vol. 140, Issue 3574, pp. 1398-1400
DOI: 10.1126/science.140.3574.1398


Rhodium-102 was produced as a tracer for U.S. high-altitude detonations in August 1958 and has been detected and monitored in precipitation since October 1960. Between January and September 1961, when atmospheric tests were resumed, the contribution of this high-altitude debris in fallout increased.