Combustion loss estimation          
    Boilerhouse air temp (C)          
    Oxygen or CO2 measured?
      Test A   Test B      
    Stack temp (⁰C)        
    Carbon monoxide (ppm)      
    Smoke number      
    Combustion efficiency (GCV basis)        
    Breakdown of stack losses            
    Sensible heat in dry flue gases        
    Enthalpy of water vapour in flue gases        
    Unburned gases in flue        
    Resultant savings comparing test B with A:        
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