1. Regulations
  2. title 40
  3. chapter I-i22
  4. part 98
  5. subpart W
  6. appendix-i 9

- Table W-3B to Subpart W of Part 98—Default Total Hydrocarbon Population Emission Factors for Onshore Natural Gas Transmission Compression

Link to an amendment published at 89 FR 42325, May 14, 2024.

Table W-3B to Subpart W of Part 98—Default Total Hydrocarbon Population Emission Factors for Onshore Natural Gas Transmission Compression

Population emission factors—gas service onshore natural gas transmission compression Emission factor
(scf/hour/component) 		Low Continuous Bleed Pneumatic Device Vents 11.37 High Continuous Bleed Pneumatic Device Vents 118.20 Intermittent Bleed Pneumatic Device Vents 12.35

1 Emission Factor is in units of “scf/hour/device.”

[81 FR 86516, Nov. 30, 2016]

AUTHORITY: 42 U.S.C. 7401-7671q.

SOURCE: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.