Table 16, Enewetak soil data, southern istands (pCi/g in top 15 cm), 505). Mean Range 0.41 0.52 137 O, 2395, Mean. Range Mean 0,.02-4,8 0.21 0.01-2.1 0.04 0.03-3.9 0.14 80 ny Range Mean Range Group A (DAVID, ELMER, FRED) . 0.004-0.31 0.03 0.01-0,15 0.004-1.8 0.07 0.004-1.1 0.06 0.007-63 0.5-10 0.02-2.0 0.58 0,.04~-5,0 Group B (All others except - LEROY)* - Group C (LEROY) 11 1,6-34 3.2 s 0.63 the northeastern end, took place during tated northeast corner. the weapons -testing period, activities resulted: Radio- tive homogeneity is also supported by the 995, STE. 239py within the island's interior, follow the general rule of a rapid decrease in activity within the first few centimeters of the . 69C5 123 48 26 10 14~670 14170 7.2~130 3.1-30 Areas of sparse vegetation 90se homogeneous (as demonstrated at Location 100), Range 137, Profile samples collected at 239 by 60 Co Locations 23 and 25, which are onor near the beaches, display essentially - 44 " 35~130 11 5,8-26 2.4-9.6 8.6 4.6 3.3744 ——— homogeneous activity distributions, 1 Oe EN LALO Oeei ag reeds toler on obtained from Locations 24, 26, and 100 and then level off to become almost Mean Areas of dense vegetation The activities as a function of depth, surface (relaxation lengths of 3-5 em) Activity, pCi/g nuclide results of the aerial survey. oi This rela- The following row tat ae "SAM, TOM, URIAH, VAN, ALVIN, BRUCE, CLYDE, REX, WALT, GLENN, HENRY, IRWIN, JAMES and KEITH. BELLE—As clearly indicated by 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. Since only a few samples were collected The only exception isthe 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 acrial survey results do not reflect this a few obtained within the sparsely vege- differences -100- The ce te nee getee me The mean activities exhibited by the