23 



CLIS SEDIMENT CHEMISTRY 



30,000 



20,000 



10,000 



ppm Fe 



JJ 



750 1 



250 



1 



ppb PCBs 



-S 



ND NA 



1987 



750 



500 



250 



ppm Oil & Grease 



n 



1 



%TOC 



1986 



i 



I 



1987 



1 



■fe RECENT 

 0= REFERENCE 

 □= RELIC 

 CS= OFF MOUND 

 ND= NOT DETECTED 

 NA= NOT ANALYZED 



Figure 6-8. (cont.) 



DAMOS Summary Report, 1985-1990 



