(0 (1) Conteminatec. Tune, were oe Tigylp ta bal healt (2) Apprehension of long-range contamination of Japan endl its fick® ing grounds, (3) Rediological factors affocting the fishernen: (a) Estinatins tho whole bocy dose, (b) Estimated dose from interne] onittors, Contaninste. Tuna Sone of the Japanose Governnent officiels sre alroncy roferring to the lattcr half of Merch as the "zroeat tuna panic™., Tho origin of this penic doth3 the United Stetcs an® Japen is worthy of carcful study, The extent, c tune consunption in tho Unitoc Statcs and Japen Ceclinod Curing the soccnd half of March is not know to me at this tine, For a Gay orior to my coparturc from New York on March 19, and for 2 wocks. following ny arrival in Tokyo on March 22 the subject of racioactive tuna was a subjoct of popular convorsation, When once considors the reaction of tho informect Amorican ublic to the nossibilitics of contamination of tuna it is not surprisins that the Japancse wor. stampede: into appre~ heneion ovor the immc-iste prospects of thicir oeting radioactive tune anc. tho long-range prospects of their fishing srounts teing ruined, (A) Tuna Fishing: Industry of Javan L/ The Japanese fishing flect at the srosont timc consists of ebout 2,000 vosscols oper-ting out of tcn major porte, The annual value of the tuna catch approximates $26 million, The princizsl cxport spocics is altacor, Sixty porcont of the lancod albacor catch went to Japaneso cemnors ®nc forty percont was shipsed abroac in freczgors, Sixty porcent of the albacor are ccught in tho summer scason which extcn?s from May through July, Durinz this season, the fishins crounde are located rclatively close to the Asiatic ccast, During the wintcr months, January through March, the Japenese vosscls rango far out to sca, The winter serson xccounte for forty percent of the annual etch, (3) Conterinatce Tuna in Javen Tho Fukuryu Maru landee at Yaizu with ea catch of 28,000 pouncs of tune. Wo must accopt the fact that those tune wore cxccssively cone teminetec anc that tho cecision of the Jepanose to Cispose of these -L. Am oxccllont report of technical infornm-tion ebsut the Japanese -tuna fishcrics in Japen is Report No, 104 issue’ by the Natural Ro~ scurces Soction of SCAP in Merch, 1938,