100 METERS i * -4 te re a & x ‘ - . weil & a at = % o e wv. eee ORE » eG vg ge, ay g zee 3 hw Be 1% 4 ‘ 3 24 * gat *, é s # ee mek 0 gr ey Fe we g® por & * . oe “0 $3 a™, ery @ or B.23,1,i.12. The average **°Pu activities (pCi/gm) in soil samples collected between depths of 110 and 120 cm,