TABLE 28. Summary of analytical results; seaweeds, summer 1980. 



Gravimetr ic 



Sample t x (pg/g) f 2 (ug/g) 



HC-5-9 



74 

 16 

 14 

 29 

 72 

 52 

 12 

 23 

 16 

 7 

 9 

 12 



15 



GC 



n_c 15 (P9/9) Status 



38.5 

 10.7 



4.8 



5.0 

 35.0 

 25.0 

 21.3 

 58.0 

 25.3 



7.2 

 34.0 



9.0 



3.7 



1/2 



2 



2 



1/2 



1/2 



1/2 



2 



2 



2 



2 



2 



2 



Status codes: 1 = weathered petroleum 

 2 = biogenic 



TABLE 29. GC/MS results of seaweed aromatic fraction analysis (sample 

 HC-5; Tregolonou, Fucus vesiculosis ; 4 June 1979) . 



Compound 



Cj-f luorene 

 Phenanthrene (P) 

 CjP 



c 2 p 



C 3 P 

 C 4 P 



ip 



Dibenzothiophene (DBT) 

 C^BT 

 C 2 DBT 

 C3DBT 



I DBT 



m/e 202 ( f luoranthene + pyrene) 

 m/e 252 (benzof luoranthenes 

 + benzopyrenes) 



Concentration 

 (ng/dry weight plant) 



610 



420 

 . 920 

 2400 

 6400 

 5300 

 15,440 



40 



300 



4000 



8400 



12,740 



930 

 1800 



95 



