40 C.F.R. § 98 app Table NN-2 to Subpart NN of Part 98

Current through October 31, 2024

Appendix Table NN-2 to Subpart NN of Part 98 - Default Factors for Calculation Methodology 2 of This Subpart

Fuel	Unit	Default CO2 emission factor (MT CO2/Unit)1
Natural Gas	Mscf	0.0544
Propane	Barrel	0.241
Normal butane	Barrel	0.281
Ethane	Barrel	0.170
Isobutane	Barrel	0.270
Pentanes plus	Barrel	0.324

¹ Conditions for emission value presented in MT CO2/bbl are 60 °F and saturation pressure.

40 C.F.R. 98 app Table NN-2 to Subpart NN of Part 98

78 FR 71977 , Nov. 29, 2013, as amended at 79 FR 3508 , Jan. 22, 2014; 81 FR 89270 , Dec. 9, 2016

81 FR 89270 , 1/1/2018