. tO: . ATIONS ORDE:‘No ‘DECONTAMINATION — HEADQUARTERS. | MASK GROUP 7,4, PROVISIONAL eo > APO 187, ‘c/o Postmaster San Frandisco, California -- 7-April 1954, 1800M o 1, MISSION: To provide, ‘operate and maintain facilities for person- nel and aircraft decontamination and for personnel dosimetry, PART 1 , AIRCRAFT DECONTAVINATION 2. PONSIBILITIES: Ge ‘ Test-Support Unit: (1) pono sate 200° , , Aa pe Provide primary aircraft doqontamination facilities on - ENIWETOKISLAND, (2) : Furnish necessary supplies and equipment to decontaminate all affected Air Force aircraft. (3) - Be prepared to assist TG 7.3 in the decontamination of Navy aircraft, get. by Test Aircraft Unit: (1) - Furnish representatives from communications to advise the decontamination officer concerning’ any commnications equipment . involved in the washdown of: affected aircraft. (2) Co Furnish ground crew members. to assist in washing down organisational aircraft, : Test Services Unit: - (1). In the event of an accidential contamination, furnish , representatives of communications and ground crews of the ‘affected aircraft to assist in decontamination operations, 3. . PROCEDURES: ‘Procedures’ to be followed are Listed below in in chronological sequence of execution. rehearsed, = ae = ot These procedures will be thoroughly . . a On D-Day, sampler F-84's, B29 and:7.36 will be parked in designated "hot" decay arease . be All other aircraft will be checked:pon landing for evidence of radiological contamination, If an aircraft is contaminated, Above 25 ur/hr, it will be isolated and posted, ec. =... ‘ The ‘Sampler FB-36'3 will be parked;‘one! on the decontamination pad and one on the turn around pad, and checked for radiation intensities by the same monitor. uséd in ae and b. above. — TASK GROUP-7.4 OPRS ORDER*NO, 525 - ANNEXSN" 7. oe - i at, ve pe vy