ie Baidets é é el B ¥ lined ii Bi Piel ne 43ati : a Lowest WEC 5300, no symptoms, Overall cvaluation — not significant, Urine samplea being forwarded Buded for PF studies. Throughout Marah and part of .pril several reporte were received which indicated Japanese fishing vweesels arriving in port with contaminated tuna, saze of which we destroyed, No iliness was reported on crews other than that of the Fukurya Maru, Sased on the reports, it appeared that contamination of the tuna was not significant. . On 8 May a Japanese survey party started from Tokyo to canduct a atological, Oceancgraphical and Meteorclogical research on the effentea. the fisheries of Japan received from the thermonuclear blast experinmente. The survey made studies at points 500, 700 and 900 NM from BIKINE. In. July, the results of this surwy indicated contamination existed in the waters at considerable distance from AIKINI, but that the levels were too low to be considered of any significence,