Table 16, Enewetak soil data, southern islands (pCi/g in top 15 em). 90. Mean Range 137 Mean 2395, Cs Mean Range 60 Range Mean rapi Co Range The and eee cons Group A (DAVID, ELMER, FRED) -” uty 0.41 0.02-4.8 0.21 0.01-2.1 0.04 0.004-0.31 0.03 0.01-0.15 Group B (All others. except LEROY)? - Group C (LEROY) isha 0.52 0.03-3.9 0.14 11 1,6-34 0,004-1.8 0.07 0.004-1.1 0.06 0.007-63 0.02-2.0 0.58 0.04-5.0 Thi islu 3.2 0,5-10 0.63 are “SAM, TOM, URIAH, VAN, ALVIN, BRUCE, CLYDE, REX, WALT, GLENN, HENRY, IRWIN, JAMES and KEITH. the northeastern end, took place during activities resulted: tive homogeneity is also supported by the Radio- The activities as a function of depth, within the island's interior, follow the general rule ofa rapid decrease in activ- and then level off to become almost homogeneous (as demonstrated at Loca- tion 100), Profile samples collected at Locations 23 and 25, which are onor near the beaches, display essentially Mean pCi Range ‘Areas of dense vegetation obtained from Locations 24, 26, and 100 surface (relaxation lengths of 3-5 em) Activity, nuclide results of the aerial survey. ity within the first few centimeters of the The following - tated northeast corner. the weapons-testing period. This rela- Rai 90¢,. 13765 239py nore . 123 48 26 10 14-670 14-170 7.2130 3.1-30 Areas of sparse vegetation se log 239by 606, - 44 8.6 il 4.6 35-130 3.3-44 5.8-26 2.4-9.6 homogeneous activity distributions, The mean activities exhibited by the samples from the northeast corner are the photographs, this island is so heavily roughly a factor of three smaller than vegetated that it was almost impossible those from the remainder of the island. to penetrate. The only exception is the Since only a few samples were collected northeast corner of the island, which is within the corner area,’ the factor of relatively open with sparse vegetation. three may or may not reflect the true Most of the soil samples were collected difference in the mean values. within the densely vegetated areas, with aerial survey results do not reflect this a few obtained within the sparsely vege- difference: -100- . The we emanates: BELLE—As clearly indicated by