A Toxic samples 

 O Non-toxic samples 



b 



<^ 



/ 





/ 



/ 



Gowanus Bay 



Kill van Kull 



4? 



^ 



*P 



'o 



o 



Raritan Bay 



? 



Figure 3. Sampling stations in which survival was significantly different from reference 

 materials in tests of either grass shrimp, polychaetes, or clams during pre-dredging 

 studies (from Army Corps of Engineers Public Notices, 1985-1993). 



14 



