Contaminated metal and concrete Scrap on Enewetak Atoll, Table 224, Island Approximate scrap quantities Remarks ALICE 10 ya? Background is up to 170 uR/hr, BELLE Small Background up to 250 uR/hr. CLARA Small Background up to 100 wR/hr. DAISY Small Background up to 140 uR/hr. EDNA None Sandbar IRENE Mbderate™ Up to 1.2 mr/hr. JANET 568 ya? Activated scrap metal in all sizes can be found in piles or individual pieces scattered wreck on beach reads 8 mR/hr,. (<10 yds) (< 10 yas) (<10 yd3) An M-boat over the island at levels up to 8 mr/hr. PEARL 317 ya" Confined to SGZ area, Levels upto 5 mr/hr. RUBY 196 yd" SALLY 2106 ya" Scrap-metal activity levels up to 0.12 mr/hr. Alpha levels on concrete surfaces up to 103 TILDA 1 ya? YVONNE 4064 ya? Total 7262 yd dpm/50 cm?, Activity levels up to 60 mr/hr. 3 “Reference does not identify volume. e e In the south-central part of ELMER Because of the extremely low ambient (the small "E" level areaof radiation levels on the southern islands Fig. B.39.1.b) there appears to be and the sensitivity of the aerial survey scrap metal or other radioactive equipment, we can be reasonably con- debris on, fident that we have found all material or just below, the ground surface in heavy underbrush. above ground with activity levels greater On the north-central shore of than a few microroentgens per hour. GLENN (the 'C" area of Fig. FRED, B.48.1.b) there is a derelict barge level found (the ''D" area in Fig. B.46.1.b) which is contaminated with detect- proved to be coming from barrels of fly able amounts of 207 Bi. On for example, the highest radiation ash stored in a warehouse intended to be I-37