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Characteristics of Fuel Oil

TYPICAL CHARACTERISTIC OF FUEL OIL
  GRADE OF FUEL OIL
  #2  #4  #5 #6
WEIGHT PERCENT        
Carbon 86.1-88.2  86.5-89.2  86.5-89.2 86.5-90.2
Hydrogen 11.8-13.9 10.6-13.0 10.5-12.0 9.5-12.0
Sulfur  0.05-1.0 0.2-2.0 0.5-3.0 8.51 - 7.68
LB PER GALLON 7.39-6.87 8.04-7.30 8.10-7.68 8.51-7.68
VISCOSITY
(Centistokes at 100ºF)		 1.9-3.0 10.5-65  65-200 260-750
WATER & SEDIMENT, VOL %  0-0.1 0-1.0 0.05-1.0 0.05-2.0 
HHV, (BTU/LB)  19170 - 19750 18280 - 19400  18100 - 19020 17410 - 18990


LEVELS OF INCOMPLETE COMBUSTION

  Natural Gas #2 Fuel Oil #6 Fuel Oil
Smoke
Spot No		 Should be no trace
of Smoke (indicates
combustion problem)
(No UL Limit)		 Under # 1 Good
#1 to # 2 fair to Poor
over # 2 Not Acceptable
(UL Limit is # 2 Spot)		 Under # 2 Good
#2 to #3 Fair
#3 to #4 Poor
Over #4 Not Acceptable
(UL Limit is #4 Spot)
Carbon Monoxide
(CO)		 Under 100 PPM Excellent
100 to 200 PPM Good
200 to 300 PPM Fair
300 to 400 PPM Poor
Over 400 PPM Not Acceptable		 Under 50 PPM Good Under 100 PPM Good
Hydrocarbons Under 25 PPM Good
25 to50 PPM Fair
50 to 75 PPM Poor
Over 75 PPM Not Acceptable		  ----------  ----------

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