Contamination of the Air by Radioactivity from the 1958 Nuclear Tests in the Pacific

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Science  17 Jul 1959:
Vol. 130, Issue 3368, pp. 161-162
DOI: 10.1126/science.130.3368.161


By the use of bomb-produced tungsten-185 tracer, debris from the 1958 nuclear tests (Hardtack) held at the U.S. Pacific Proving Ground have been identified as they appeared in the ground-level air along the 80th meridian. A large amount of radioactivity from these tests appeared in South America, particularly at the high-altitude collecting stations.