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Electronic Code of Federal Regulations

e-CFR data is current as of November 19, 2019

Title 40Chapter ISubchapter CPart 98Subpart NN → Appendix


Title 40: Protection of Environment
PART 98—MANDATORY GREENHOUSE GAS REPORTING
Subpart NN—Suppliers of Natural Gas and Natural Gas Liquids


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

FuelUnitDefault CO2 emission factor
(MT CO2/Unit)1
Natural GasMscf0.0544
PropaneBarrel0.241
Normal butaneBarrel0.281
EthaneBarrel0.170
IsobutaneBarrel0.270
Pentanes plusBarrel0.324

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

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

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