72 



2500 



2000 



E 



31500 



c 

 N 



§ 1000 

 O 



500 4 





A 

 □A 

 A 

 A 

 A 

 A 



0: 



A 



A 

 A 



A 



Post-Mill River survey (April 1982) 



Post-Quinnipiac River survey 

 (June 1982) 



A 

 A 



A 



25 

 h20 



15 f 



Q. 

 h10 O 



t 



Feb-82 Jul-83 Nov-84 Mar-86 Aug-87 



Survey Date 



□ Copper a Cadmium + Zinc 



Figure 3-19. Trace metal data from surface grabs collected from MQR during successive 

 stages of formation 



Sediment Capping of Subaqueous Dredged Material Disposal Mounds 



