*"" -' . 



'IGURE 3.69. Aber Wrac'h impacted oysters 

 December 1978; B - June 1980. 



saturated hydrocarbons; A 



•.w» 



■if, 



3 » 



lit, 



Km 



>d 5f 



M~.., 



jM JiJ L ^ 





JMI 



U 



iiiii 



FIGURE 3.70. Brest control oysters - saturated hydrocarbons; A 

 ber 1978; B - June 1980. 



Decem- 



85 



