EFFECT CF FALL-CUT ON TUNA (bate dake There is no evidence thet_tuna or any other comsercially ediable fish in ite natural habitatohas by virtue of the Pacific tests been rendered unfit for huméen consuzrtion. If we accept Japanese reports that fish aboard the FUKURYU MARU were grossly contaminated, this could only have resulted from their becoming contaminated after being taken aboard; i.e., their contamination was secondary to tha contamination of the ves-el itself. ataemedy Statements have appeared in the Japanese ;recs to the effect that fish appstring in the Japanese market other than those froma the FYKURYU MARS have been srossly contanincted. io-ever, we have no authentic reports from the Japanese governzent to the effect that tuna except from the FUKURYU MAXU, hai levels of radicxctivity that would even approach permissible levels of contamination, Informed scientific opinion, borne out by recent continucus monitor- ing by the Foderal Food and Drug Administration of tuna fish s2ing to the west coast from Pacifie fishing grounds, and further surported by the results of marine biolocical studies carried out over the past several years under ANC auspices, provides no basis for concern over tuna caucht or to be caucht in the Pecific fishing areas, May 4, 1954 Howard C, Erown, Jr. Division of Hiclogy and Medicine DOE ARCHIVES 371

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