38 



WLIS SEDIMENT CHEMISTRY 



200 



150 



§100 



50 



tu 



Ld 



200 

 150 



100 

 50 ( 



Cr Cu Ni Pb Zn 

 1985 



1.50 

 1.25 

 1.00 

 0.75 

 0.50 

 0.25 

 



10 

 7.5 

 5.0 

 2.5 

 



ppm Hg 



in 



1985 1986 



ppm As 



NA 



1985 



1986 



m 



m 



Cr Cu Ni Pb Zn 

 1986 



200 

 150 



100 



50 



NA 



$ na r n 



V 



\ 

 \ 



\ 

 s 



Cr 



Cu Ni Pb Zn 

 1987 



rTN 



■= RECENT 



a= REFERENCE 



CH= RELIC 



133= OFF MOUND 



ND= NOT DETECTED 



NA= NOT ANALYZED 



SEE CORRESPONDING KEYS 

 BELOW WITH YEAR 



1987 



I 



1987 



10 

 7.5 

 5.0 

 2.5 

 



ppm Cd 



UJ 



ND 



ND 



1985 1986 



1987 



1985 

 ■■= Mound C 

 0= WLIS-REF 

 CD = A, B 

 CS= Not Sampled 



Averaged Data Values for Sample Locations 



1986 1987 



■■= Not Sampled ■■ = Not Sampled 



CD = WLIS-REF CD = WLIS-REF, 2000W, 2000S, 3000E, 2000N 



CD= A □= 3A, 3E, 31 



CS= Not Sampled £3= 1000SW, 1000SE, 1000W, 1000E, 2000E 



1000NW, 1000NE 



Figure 6-17. Results of WLIS sediment chemistry analyses 



DAMOS Summary Report, 1985-1990 



