Newark Bay 



-100 100 200 300 400 500 600 700 800 900 

 Un-ionized ammonia in overlying water, ug/l 



Figure 36. Relationship of amphipod survival to the 

 concentrations of un-ionized ammonia (ug/l) in the 

 overlying water of the test chambers. 



Table 30. Spearman-rank correlations (Rho, corrected for ties) between percent amphipod 

 survival and the concentrations of chlorinated dibenzo dioxin and dibenzo furan compounds in 

 Newark Bay sediments (n=20). 



ns = not significant (p>0.05), *p<0.05, **p<0.001 



98 



