HEAUaRTERS JOINT TASK FORCE SZVEN APO 187 (HOW), c/o Postmaster Sen 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 PEM survey flight and DDE evacuatior. (All times Zebra, March 1954.) Waist height on AN/PIR T1B in m/hr — niwetak Island (Rongerik Atoll) Rongelap Island Ailinginae Island Utirik atoll éniaetok Island (Ron,elap Atoll) b. 012315 2000 020645 030445 1460 4L5 020645 3000 030145 166 NYOO ABLZ, BAKAR and CHARLI£ flights originating from Kwajaleic., flights GEORG# and ITs originating from Ouhu, flight aaSY originating from Guam, and flight KING (Galbert Islands), using special airborne (P2V) survey equipment (all times Zebra, March 1954, and readings extrapolated to the grcund): (1) NYOO Kwajalein Flight ABLE: Atoll DIG (Zebra) Intensit Cor/hr) Lae 020010 Rongelap 020140 ~ 1350.000 Alluk 020516 Wotho *Taongi Utirik Likiep 2080 020100 1,000 020325 020451 1.400 240.000 020 540 6 .000 * uninhabited 76 .000 Atoll Ujae Ailinginae Rongerik *Bikar #Taka J emo ee fares wm CLLSTETT Ciro iuicilise GH DIG (Zebra) 020024 020128 Intensit Car/hrj -100 400.000 020200 =1720.000 020528 18.000 020428 020456 . 600 .00C 160 .000 re oe : .- cee we AO“Y 4 VP (felto