Fe Ld HEADCUARTE?S, Jeiat Task Ferce SSVEN Washington 25, D. C. 10 Nevember 1953 Appendix IT to Annex % ee Radiclogical Safery, CJTF SEVEN Cperation Plan No. 3-53 RADIOLOGICAL SAFZTY CFPICK AND CENTER 1. A STF SEVEN radiological safety office (RadSafe Office) and a TS 7.4 .adiolegical safety center (RadSafe Canter) will be established for each shot. The RadSafe Offices, marned by personne. of the Technical Branch of the taxi. force Operations Divis‘on (J-3), will >perate as the task force staff agency responsible for the dissemina*ion of task coree racdtcl-gical directives, the presentation of radiological shot briefing material and the maintenance of disrlays of radtologieal information r ring an impact on the cverall task force mission The RadSafe Ce-ter will be astabl: shed by CTG 7.2 and will serve as opera..ons headquartera for *he radiologizal safety activities ef TT 7.: Fertinent data collected at the RadSafe Center wiil te forwarded to the RadSafe Off:ce at the task force cumnand post. 2, Detziled Duties a. RadSafe Office (1) Tne RadSafe Office. tn coordination with CTG 7.4 who will develop the aar RADEX pict, wiil assemble the overe:1 RADEX situation and disseminate the air and surface RADEX prior to s:.ct time (fore~ cast) and will cr.vinete messages from time to tire afcver shot tise announcing % {Reertry} Hour, radiological clearances of previously Closed areas, radiological directives to task grours, advisories to commands exteria. to the task force and revisions of the air and surface RACDEX as required, (2) The RadSafe Office will te resronsibie for the preparation cf RadSafe forecast infcrmazion for the shot briefings. (3) The RadSafe Office will maintain displays of radiological information pertinent to the test ares and having an isract outside this area to include radiation levels cn atell islands and lagoon, RADEX infcrmation, cloud trajectories and their relation to occupted atolls and air ar4 eurface routes contiguous to the danger area, ship movements in tne danger area, resuits of water sazpling and euch other items of special radiological consideraticn as may be required by the operazion or the scientific projects (4) Physical a. Ircations of RadSafe Office For BIKINI ATOLL shots: Command ehip b For ENIWETOK ATOLL shote: Operations Division (J-3), JTF SEVEN Headquarters building, PARRY ISLAND. b. RadSafe Center (1) Te RadSafe Center vill maintain radiological situation data on lagoon waters and islands ef the shot atoll, based on air and ground survey information, supplemented by monitor reports. This information will be che basis of periodic situation reports or maps and briefing information furnished to the task force and task group coananders,