lb/MM BTU = ppmvd x MW x F dry factor x O correction factor 387,000,000
Where:
ppmvd is the concentration in parts per million by volume, dry basis, of NO[x] or CO
MW is the Molecular Weight for:
NO[x] = 46 lb/lb-mole; CO = 28 lb/lb-mole
F dry factor for:
Natural gas = 8,710 dscf/MM BTU
Residual or fuel oil = 9,190 dscf/MM BTU
O[2] correction factor: (20.9%) (20.9% - O[2] measured)
O[2] measured is percent oxygen on a dry basis.
N.J. Admin. Code § 7:27-19.16