Water samples for oil analysis (continued) 

 R/V Oceanus Cruise 20 



Sample 



Depth of sample 

 (meters) 



Water depth 

 (meters) 



Extracted 



sea water 



volume 



Notes 



Station 6 



Surface-total 

 Mid -depth- total 

 Mid-depth-filtered 

 Bottom-total 

 Bottom-filtered 





 60 

 60 

 84 

 84 



85 



Station 13 



Surface-total 

 Mid -depth-total 

 Bottom-total 





 20 

 40 



40 



3015 ml 

 2975 ml 

 3350 ml 



Station 14 



Surface-total 



Surface-filtered 



Mid-depth-total 



Bottom-total 



Bottom-filtered 











20 



40 



40 



42 



Saved for 

 extraction 

 effic. test 



Blank #1 



100 ml CH2CI 

 20/1 surface tota 



2v^-i-2 rinse of gallon jug after use for surface sample Oceanus 



See USGC sampling log sheet (see next page) . Discrepancies in depth 

 due to wire angle, which can be corrected for by calculations using 

 rosette-transmissometer at USGS, Woods Hole, Massachusetts 



1. Stored in 16 oz. glass mason jars. 



2. Stored as water sample over CH2CI2 in one-gallon brown glass bottle 

 and saved for extraction efficiency test. 



3. Stored in 32 oz. glass mason jars. 



4. Stored in 8 oz. glass jars. 



5. Surface sample had suspended particulates visible in it as fine 

 dispersion even after shaking with CH2CI2 and settling time of 

 30 minutes. 



V-9 



