Table 12. Concentrations of total aliphatic and aromatic hydrocarbons 

 (measured gravimetrically) in tissues of plaice ricuroneates 

 platessa from reference stations and from two estuaries con- 

 taminated with Amoco Cadiz oil. Status determined according 

 to pattern and identify of GC peaks. 



Date/Sample 



April 1979 (13) D 



Whole Fish 

 Loc Tudy (reference) 

 Aber Benoit 

 Aber Wrac'h 



Hydrocarbon Fraction 



(ug/g dry tissue) 

 Al iphatics Aroma tics 



2.9 



38.0 



7.1 



91 



24 

 83 



Status 



Biogenic 

 Biogenic 

 Small U.C.M. 



A ugust 1979 (17) 



Muscle 

 Aber Benoit 

 Aber Wrac'h 



Liver 

 Aber Benoit 

 Aber Wrac' h 



7.7 

 19.9 



801.9 



1034.0 



9.0 

 12.7 



235.6 

 317.9 



Other oil/biogenic 

 Other oil/biogenic 



Other oil/biogenic 

 Other oil/biogenic 



February 1980 (23) 



Muscle 

 lie Tudy (reference) 

 Aber Benoit 

 Aber Wrac'h 



Liver 



lie Tudy (reference) 

 Aber Benoit 

 Aber Wrac'h 



23 

 83 

 66 



736 



1510 



831 



19 

 22 

 12 



548 

 352 

 355 



Other oil/biogenic 

 Other oil/biogenic 

 Other oil/biogenic 



Biogenic 

 Biogenic 

 Biogenic 



June 1980 (27) 



Muscle 

 lie Tudy (reference) 

 Aber Benoit 

 Aber Wrac'h 



16 



38 



146 



23 

 17 



41 



Biogenic 



Other oil/biogenic 



Other oil 



Liver 



He Tudy (reference) 

 Aber Benoit 

 Aber Wrac'h 



1210 

 1810 

 1130 



723 

 682 

 511 



Biogenic 

 Biogenic 

 Biogenic 



a " biogenic - probably of biological origin; small U.C.M. - small unresolved 

 complex mixture, typical of weathered oil; other oil - definitely petroleum 

 but cannot be identified as Amoco Cadiz oil. 



b ' months after the Amoco Cadiz oil spill, 16 March 1978. 



299 



