(%) = FISSION PRODUCT X = SUBSURFACE INVESTIGATION \ SAMPLING LOCATIONS DATUM iS MAXIMUM OBSERVED TRU,pCi/g N N15— x 25M 912 CLEANUP BOUNDARY N1-~4 65 X 50 x 80 x NO.5 10.5 10 9.5 FIGURE 7-60. SUBSURFACE SAMPLING RESULTS, LOCATION 10N1, ISLAND IRENE |