Concentration of aliphatic hydrocarbons in tissues of oysters 

 Craccoetrra tjifjar. from Aber fcenoit, Brittany Trance collected 

 at different times after the Amoco Cadis oil spill. Values are 

 in n<]/g dry weight (parts per billion). 



16 March 1978 

 ND, not detected 

 NS, no sample available. 



290 



