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

- Table W-2 to Subpart W of Part 98—Default Total Hydrocarbon Emission Factors for Onshore Natural Gas Processing

Link to an amendment published at 89 FR 42324, May 14, 2024.
Onshore natural gas processing plants Emission factor (scf/hour/
component) 		Leaker Emission Factors—Compressor Components, Gas ServiceValve 114.84 Connector5.59 Open-Ended Line17.27 Pressure Relief Valve39.66 Meter19.33 Leaker Emission Factors—Non-Compressor Components, Gas ServiceValve 16.42 Connector5.71 Open-Ended Line11.27 Pressure Relief Valve2.01 Meter2.93

1 Valves include control valves, block valves and regulator valves.

[76 FR 80592, Dec. 23, 2011]

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

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