S. No.

Concentration in Fuel Lb/MBtu

Concentration in Fuel Kg/GJ

FL

FL Classification

1

Less than 0.4

Less than 0.17

1

No Foul

2

Between 0.4 - 0.8

Between 0.17 - 0.34

2

Probable Foul

3

Greater than 0.8

Greater than 0.34

3

Certain Foul