(0 



> 



3 

 V) 



o 



Q. 



E 



o 



w 

 0) 



Q. 



Newark Bay 



120 



2 100 



c 

 o 

 u 



o 



80 " 



60 



40 



20 



8 



cP 



SQG=100 



i I i i i I i i 



■ i t- 



Rho = 0.865- 

 p<0.001 



<2> 



o 

 o o 



f ■ ■ ■ 'i ■ ■ ■ i ■ ■ ■ i ■ ■ » i ■ ■ ■ i 



100 200 300 400 500 600 



Total cumulative 2378-tcdd TEQ, pg/g 



700 800 



Figure 41. Relationship between amphipod survival 

 and the concentration of total cumulative 2,3,7,8-TCDD 

 toxicity equivalency quotients in Newark Bay sediments. 



Newark Bay 



120 



o 



i= 100 ■ 



c 



o 



u 



° 80 - 



a 



> 60 ■ 



l. 



3 

 (A 



■o 



| 40 



!c 

 a. 

 E 

 « 20 



a. 



o f 



■ 



'o o 

 o 



_Q_ 



■ I ■ I ■ T ' ' I 



I i L 



Rho = -0.681*, 

 p<0.05 



6> 



ERM = 218 

 •—I ■ I 



T »- 



50 100 150 200 250 300 350 



Total Pb, ug/g 



Figure 42. Relationship of amphipod survival to the 

 concentrations of total lead in Newark Bay sediment 

 samples. 



400 



104 



