TABLE 3 #2 RONGELAP ISLAND: RADIONUCLIDE SOIL PROFILES*’ (1978) Average specific activity for dry soil (pCi/g) Depth (cm) | Cesiun-137 0-5 ' §-10 Plutoniua ~239,-240 an : | Strongius -90 Anericiuz ~241 15 6.9 3.2 9 1.7 2.0 .78 10-15 5.4 6.7 1.1 41 15-25 2.6 4.5 35 18 25-40 1.8 2.1 .07 98 0-40 5.0 4.6 89 35 Number of profiles 27 20 18 1.0 17 */ The 1978 profiles are from Robison et al, 1982, Part 4, Appendix B. 22 5000629 } ;