Letter | Published:

Radioactivity in Wool

Naturevolume 192pages10941095 (1961) | Download Citation



KULWICH et al. recently reported1 the presence of unidentified γ-ray activity in several samples of wool. The bulk of the observed activity in the wool was shown to be most probably associated with its impurities and hence due to natural and fall-out contamination.

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  1. 1

    Kulwich, R., Feinstein, L., Decker, R. W., Galumbis, C., Hourihan, M. E., and Terrill, C. E., Nature, 188, 511 (1960).

  2. 2

    Burns, R. H., Johnston, A., McColloch, R. J., and Fisk, H. G. (unpublished observations).

  3. 3

    Radiological Health Data Monthly Reports, 1, 1 PB 161371 (U.S. Public Health Service, 1960).

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  1. Division of Biological and Medical Research, Argonne National Laboratory, Argonne, Illinois

    • S. S. BRAR
    • , P. F. GUSTAFSON
    •  & M. A. KERRIGAN
  2. College of Agriculture, University of Illinois, Urbana, Illinois

    • , U. S. GARRIGUS
    •  & W. R. USBORNE


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