Table 4. Oil Remaining After Weathering 



(Calculated from gas chromatographic data and 

 compared with the weight percentages recovered) 



011=1 



Integrated Area" 



Portion 

 Remaining 



Recovered 

 Oil 



(%) 



Total 

 (A) 



Above 298°C 

 (A„) 



A° 



23,620 



6,660 



- 



- 



A* 



21,270 



7,480 



0.802 



80.0 



B° 



36,090 



12,190 



- 



- 



gW 



27,740 



12,040 



0.778 



75.7 



C° 



34,220 



15,620 



- 



- 



C* 



33,410 



16,710 



0.913 



90.1 



cy 



19,000 



11,100 



0.781 



74.7 



D° 



36,640 



14,870 



- 



- 



pW 



29,610 



15,660 



0.767 



77.4 



d" 



31,010 



14,130 



0.891 



87.2 



o = original. 



w = weathered. 



X = weathering without wind. 



y = preliminary 6-week experiment. 



' Disintegrator count 



- Calculated from P = (A"'/A°){A°/A)J^ 



Table 5. Viscosity Changes During Weathering 



Fuel 



Viscosity at 22.2°C (cs) 



Viscosity 

 Ratio 



Recovered 

 Oil 



(%) 



Original Oil 



Weathered Oil 



A 



4.03 



4.85 



1.20 



80.0 



B 



4.56 



6.15 



1.33 



75.7 



C 



7.22 



8.12 



1.12 



90.1 



D 



5.46 



7.94 



1.45 



77.4 



D^ 



5.46 



6.65 



1.22 



87.2 



E 



271 



882 



3.25 



92.0 



X = Weathering without wind. 



Table 6. Carbon Content of Aqueous Extracts 



luL-l Oil"* 



Total Carbon 



Inorganic Carbon 



Organic Carbon 





(ppm) 



(ppm) 



(ppm) 



A 



16.0 



1.1 



14.9 



B 



38 



1.1 



37 



C 



22.5 



1.5 



21.0 



D 



23.0 



0.7 



22.3 



cy 



54-1/2 



2.6 



52 



E 



15.8 



1.3 



14.5 



' y = Preliminary 6-week experiment. 



