FIGURE 3.66. 



Aber Wrac'h impacted oysters - aromatic hydrocarbons; A 

 December 1978; B - June 1980. 



t 



,, |... . J» if 



\,k^ 



P 



JpftJ 



**d 



■ ' i- ill 



1 1 ill I 



FIGURE 3.67. Brest control oyster - aromatic hydrocarbons; A - December 

 1978; B - June 1980. 

 83 



