1A 



_jiU' 



Pr 

 i 





IB 



•JlIw 



2A 



2B 



P* 



1 r - 





y ' 



izJj^^'- 



'3 



L 



L 



_> 



U4JjJUuUJ^^~^_ 



Chromatogram 1) Station A 3 , March 1979. (A) surface, (B) bottom. 



2) Station A 2 , March 1979. (A) surface, (B) bottom. 



3) Station A3, 1980, surface skim. 



4) Station D, 1980, 0-3 cm surface. 



109 



