FIGURE 8. Comparison of MEL and GERG Field Replicate 

 Analyses; DDT Family Compound Data (ng/gdw) 



120 



100 



80 

 W 



OS 



a 



O 60 



40 



20 



20 



40 



60 

 MEL 



80 



100 



120 



FIGURE 9. Comparison of MEL and GERG Field Replicate Analyses; 

 PCB Inividual Chlorobiphenyl Data (ng/gdw) 



15 



10 



a 



OS 



u 



a 



5 6 



MEL 



10 



32 



