“¥ In addition t other scheduled work boing carried out during * this initial preparation period at the tost site a special study of wv ewrrents off Eyebi wis mide, 3 anticipate ag marly as possible tho direction and spread of any possible ° contiunination resulting frag fall-out or direet deposition by the " oxplosion, ' ooserved. This study was conducted in onter to Tho drift of purtially subnergald flaitin; objects wis also Data for such a study was obtained through observations by “ . helicopter ami small boat putrols, he dicated that the curronts were generally fran the ENE direction and be “ that no contamimbion would be axpected south of a Line veariny: 240° T a, ; from the southern tip of Byrebi. The results of this study ir Tho reudrum current speed was established he at approximitely 0.5 of a knot. rh survey following, the X-RAY shot inticatod the value of this study and we bore out the accuracy of its predictions. y a The rosults of the subsequent lagoon During a perial prior to PETER-X-RAY day a proeerehearsal survey A of all scheaiulod missions was made, Monitors concernal made parsoml we contact with leaders of the various selentifie parties on the actual a sito of proposed opemitions, and fandiliarised thewelves with the ~~“% situation as presental in the field, ~~ stations or iustallations involved in their respective missions, ani I tm comluctal omtho-spot briefin: of associated personnel concernad. : we” Thoy mide inspections of all daily check of all Radaifo mudio clreuits was also mie, “ co | A Detailed openitiona schedules were coupiled and monitors bricted on missions in Le the same imuuier anticlpatal for actuiltest” apamt ions, @ “ va ~ S34 RT e | :