■»e e EAS%c= uocsse 



">'^04M -* 



rtrfr^^-rrVrV^^ 1 ^ 



1 



h 



WJCJ 



,^^VVV<W*^ 



<v< 



ivUA 



A 



A 



uSV-sA^. 



^*AmA*J— .L-.L 



JjLo_,_ 



_ 





FIGURE 3.3. GC/MS selected ion searches for pentacyclic triterpanes (ho- 

 panes) in AMOCO CADIZ reference and November 1978 weathered 

 oil in sediments. 



191 .0 



— i 1 1 1 1 1 1 1 r~ 



64 fig 6S fi7 6H 69 70 ZJ 2£_ 



1 1 1 1 1 1 1 1 1 



rn 71 7 5 7R Z7._7fl _ jza _aa_ .ooJ 



FIGURE 3.4. Triterpane (m/e 191) mass chromatogram of weathered oil. 

 1,2 = Trisnorhopane (Czi^^e) , 3 = Norhopane (C29H50), 4 = 

 Hopane (C30H52), 5,6 = Homohopanes (C31H51J, 7,8 = Bishomo- 

 hopanes (C23H56). 



47 



