Aerial Survey General Observations from Radiation Contour Plots (ALL values in Micro R/hr) Island oe General level Maximum level (Small patches) DAVID (JAPTAN) 1 or less ELMER (PARRY) * 1 or less except for point sources FRED (ENTWETOK) * 1 or less except for point sources BRUCE 4! URSULA 3.5-6 LEROY 3.5-6 OLIVE 6-12 KATE 12-25 DAISY | " -4-1.7 (center of island) 12-25 (center of island) 25-50 CLARA 25-50 ALICE "25-50 BELLE 50-100 . 100-200 JANET (ENGEBI) 12-25 “TRENE 25-50 SALLY 3-12 YVONNE (RUNIT) Very complex structure, 25-50 (NE corner) : 50-100 (North side of crater) 12-25 (NW corner) . consistent with earlier eround survey data which suggest some areas as much as 400-1000 Micro R/hr. *Point sources (2 on FRED; 1 on ELMER) initially identified by aerial survey. Ground reconnaissance determined these point sources to be (1) a small cobalt 60 source stored in locked building, (2) stack°of barrels of fly ash stored in PACE drilling equipment warehouse, and (3) cobalt source in deteriorated pig within dosimeter calibration facility.