25 



CLIS BODY BURDEN ( Nephtys Dry Weight) 



0.20 



0.15 



0.10 



0.05 





 500 



400 



300 \ 



ppm Hg 



I 



1986 



ppb PCBs 



200 



100- | 



o ' — ^^ ' 



w 1986 



1987 



S 



NA 



1987 



ppm Zn 



ND 



1986 



1987 



■= RECENT 



0= REFERENCE 



CD= RELIC 



CS= OFF MOUND 



ND= NOT DETECTED 



NA= NOT ANALYZED 



Figure 6-9. (cont.) 



DAM OS Summary Report, 1985-1990 



