=e HEADQUARTERS JOINT TASK FORCE SZVEN APO 187 (HOW), c/o Postmaster San Francisco, California 19 April 1954 MEMORANDUM FOR RECORD SUBJECT: 1. Additional Ground and Air Radsafe Survey Data During Period BRAVO to BRAVO plus 5 Days Following are readings from radsafe surveys during the period B to B plus 5 days: parties: - - a. Special ground surveys from PHY survey flight and DDE evacuation (All times Zebra, March 1954.) Waist height on AN/PIR T1B in or/hr Eniwetak Island (Rongerik Atoll) 012315 2000 Rongelap Island Ailinginae Island 020645 030445 1400 4L5 iniaetok Island (Rongelap Atoll) 020645 3000 Utirik atoll 030145 160 b. NYOO ABLS, BAKER and CHARLIZ flights originating from Kwajalein, flights GEORG# and ITZM originating from Ouhu, flight fASY originating from Guam, and flight KING (Galbert Islands), using special airborne (P2V) survey equipment (all times Zebra, March 1954, and readings extrapolated to the ground) (1) NYOO Kwajalein Flight ABLE: Atoll Lae Wotho Rongelap *Taongi Ut irik Alluk Likiep DIG (Zebra) 020010 020100 020140 020325 020451 020516 020 540° Intensit (or /hr) -080 1.000 | 1350.000 1.400 240.000 76 .000 6.000 — ‘Atoll Ujae. Ailinginae Rongerik *Bikar *Taka Jemo DIG (Zebra) 020024 020128 020200 020428 020456 020528 ~ —_Intensit (mr/hr) - L00 400 .000 1720.000 600 .000 160 .000 18.000 * uninhabited > 5 ER: Reg TE: oo