Table 11 . Concentration of aromatic hydrocarbons in tissues of oysters 

 Cransoatrea qigaa from "reference" stations on the Brittany 

 coast of France at different sampling times after the Amoco 

 Cadiz oil spill. Values are in ng/g tissue (parts per billion). 



Sampling Date 

 Dec 1978 a Apr 1979 a Aug 1979° Feb 1980 c Jun 1980 c 

 COn,pOUnd (9) d (13) (17) (23) (27) 



' from Rade de Brest, but maintained in Aber Benoit before sampling 



* from oyster mariculture ponds of CNEX0 at He Tudy 

 c, 



d, 



' from commercial oyster pare in the Rade de Brest 

 months after the Amoco Cadiz oil spill, 16 March 1978 



ND, not detected. 



297 



