100 METERS % .ve . ‘ “ 5 a q & B,23.1.i1.2, The average ?°°Pu activities (pCi/gm) in soil samples collected between depths of 10 and 20 cm,
100 METERS % .ve . ‘ “ 5 a q & B,23.1.i1.2, The average ?°°Pu activities (pCi/gm) in soil samples collected between depths of 10 and 20 cm,