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on 



I 



Q_ 



< 

 OO 



o 



Ll_l 

 QQ 



20 



18 



16 



14 



12 



10 



8 



6 



4 



2 



PCBs 



Avg. 26 ng/g 



20 40 >50 



20 40 >50 



CONCENTRATION, ng/g 



20 40 >50 



Figure 6.— Concentration of DEHP, PCBs, and DDTs in the biota from the Gulf of Mexico. 



8 



