100 100 - — C 7 -— 10 1 T,, 2 9.1CM pCi/gm . mM = a �� \ \\ _ " a — Lo a Z _ _ _ \ a { 0 \ 4 \ Lo 20 {_ ‘ 40 _ , \ — pCi/gm | BURIED DEBRIS AT LOCATION 101 = 0.1 a \ | t __} 60 30 | 100 DEPTH (CM) FIG 8. 137cs (AVERAGE OF ALL PROFILE SAMPLES ON PEARL) -50- 120 0.1