OFFICIAL USE ONLY II. GROSS ACTIVITY C. Soils Graph Three shows the general levels of activity in the soils of Kabelle and Labarejd Islands of Rongelap Atolls, as reported by AFL. 2 Tables 13, 13a and 14 report the activity in different soils at different depths for the February 1955 survey, Table 15 for the February 1956 survey. Tables 16 and 17 show the analyses by HASL. The data clearly indicates the major portion of the activity is to be found in the top three inches of the soil. tion III, Ce Ley - Pr Ly and Ru 106 - Rh 106 As suggested in Sec- make up much of the fixed contamination in the soils at periods of one: year and more after the fallout occurred. ~ De : OFFICIAL USE ONLY