100 METERS a oie oy sie’ . ee ae a ie " e a’ ‘ ‘ * 4 nf sa “+ » ey * we & * * 1 at : ° %*¢ B.23.1.i.9. ‘gt 5 ken eis 7 . & er 4” ™ -. sos . z A wt ~~ . ‘ The average ?°Pu activities (pCi/gm) in soil samples collected between depths of 80 and 90 cm, % ;