410344 June 5, 1953 Dr. Allyn t1. Jeymour 4arina 3iologist Division of 3iology and Medicine vnited states Atomic cnergy commission ‘Aashiagton 25, 3. =. Dear Al: When Or. Jonaidson was in Rochester last aonth interest waz 2xpressed concerning 3r79 levels in a pig bone collect3d at Rongelap [sland last clarch. Here are the sesults of tha analysis Serothy jJouth completed. A copy of the results of 3290 analyses o# rat cones, which vou already have seen, is 2ncloged cor comparison. The sig, selieved Sy Silliet and Magistrate John to nave been Dorn in July 1357, was slaughtered at Rongelap Iisland during she week of March 10, 1953. The Sone was received dry and clean after the pig had been roasted. Gross beta activity = 200 t 45 d/m/g dry bone Strontium-90 (duplicate aliquots of 9.303 grams dried sample each were run): Aliquot No. 1 97 £7 dfa/qg ary bone “Aliquot No. 2 AV. 97 77 97 " . " Calcium determination: Aliquot No. 1 Aliquot No, 2 Av. Sunshine units: --:90.39 mg Ca/g dry bone 92.09 93.1 1.2 " “ 480 BEST COPY AVAILABLE 43555

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