Radiocesiam sad stable patessiura \eveie vert seterm ined in samples af muscle tiesue of birgus latre. collected at Bangriap Atoll, the cocansl crap, Marsaail lstaads, itur‘ag Maren and Augee: 1.2386, ned Marea 1956, sad a: Ctirik Atoll in March 1350 Levels of cesiem-!34 ranged set~ con 731 d/im/g dry weight 1 Kabelle Isiemc, Reugpiep Atel, and (8 dim/g ary wed at Utirve lalemd, Utirih Atoll. The averages potassiam vaiue for atl samples wee 3 7S mg/g @ry suea of 3} 56 weight with 2 standard devi- No sign ficaat corvelation betes sen ceetum-137 and oetoseium levets wee fownd There vas wo significant difference ia the average lewets of ceetem- 137 (1 craps collected at differs timpes at the same isiand.

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