46 



Table 4-1 



Metal Concentrations (ppm Dry Weight) in Sediments Collected at 

 NLON, CUS, and WUS in 1986 and 1987 



Metals 



Cd 



Zn 



(ppm dry weight) 







NLON-REF 







1986 



<3 



45 ± 27 



1987 



ND 



NA 



CLIS-REF 







1986 



ND 



110 + 4 



1987 



ND 



121 ± 9 



2500W 







1987 



ND 



153 ± 7 



4500E 







1987 



ND 



148 ± 10 



WLIS-REF 







1986 



<3 



141 ± 52 



1987 



ND 



135 ± 9 



2000S 







1987 



ND 



99 ± 18 



2000W 







1987 



ND 



215 ± 2 



All samples were 0-2 cm in depth. 

 NA=Not analyzed ND=Not detected 



Monitoring Cruise at the Western Long Island Sound Disposal Site, June 1991 



