ch for dmip roves ecard cece RADEVEION EXPOSURES IN ReENDT Wivpos\s Lpars Prior to the recent weapons tests a danger cone was established sur- rounding the proving grounds; within this area a hazard from radia- tion might exist to shipping or aviation. Appropriat: notices on the boundaries and the establishment of the Gtstane fone Were earricd fn marine and aviation mavtvatiotce manuals. Before each shot of the series, a careful survey was trade of the winds ar all elevations up to many thousands of feet, and survey aireraft: searched the area for shipping. Tine put pose Was to Cake every precaution against radiation exposure of Inhabitants of the area, the task-force personnel, and erew or passenuers Of vessels or alreraft. During the tests, radiological monitoring teams Were set up and the monitoring network of stations as usual Was in operation to collect and measure fall-out radioactive particles frome the explosion desconding to the lower atmosphere he sca, or the earth. Measure- ments Were made of airborne, ground, and wale activites. The only fall-out of Consequence Was that which followed the first detonation of Mareh dT, when a shift of the winds oceurrine fea the detonation THlaM emer Eee particles toward the islands of Rongelap, Rongerik, Vhirty-one American test personnel, and 256 Marshallese and Utrtk. Were exposed to radiation. A Japanese fishing trawler, the Pukuray Maru Fortunate Dragon was also in the path of falleau 2 en TART Td) on SOS Steere Ora tenn Cea Uranee CTT PET CATE N00 Ok CESTCOROTSPC Kowodaoin for physica) examinations and ob-ersations. None of the PIAS EOC CGT ULES OTt TaDdST ke) a aeT STO ee vations to date do not indicate that any perrianent harm has rered. AM of the tmaen ineluded in this erocge weere re Harned cee sattiee duty followincomplete physical exatmtnaions at Ya Hospital, Honolata, VT. H. Pripler Gen- A aes A WyearLae ASOT The Marshallese from the islands of Rongelap and Utirik within the urea of fall-out following the first detonation were evaciated promptly by the Task Foree to Rwajalein. It was found that of che 236 evacu- ated, 74, all from Roneelap, experienced radiation burns, principally