1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 98 - MANDATORY GREENHOUSE GAS REPORTING
  6. Subpart W - Petroleum and Natural Gas Systems
  7. 40 CFR Table W-2 to Subpart W of Part 98
40 CFR Table W-2 to Subpart W of Part 98
Default Total Hydrocarbon Emission Factors for Onshore Natural Gas Processing
June 9, 2020
CFR
Open Table
Onshore natural gas processing plants Emission factor (scf/hour/
component)
Leaker Emission Factors—Compressor Components, Gas Service
Valve1 14.84
Connector 5.59
Open-Ended Line 17.27
Pressure Relief Valve 39.66
Meter 19.33
Leaker Emission Factors—Non-Compressor Components, Gas Service
Valve1 6.42
Connector 5.71
Open-Ended Line 11.27
Pressure Relief Valve 2.01
Meter 2.93

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

[76 FR 80592, Dec. 23, 2011]

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Table W-1E to Subpart W of Part 98 Default Whole Gas Leaker Emission Factors for Onshore Petroleum and Natural Gas Production and Onshore Petroleum and Natural Gas Gathering and Boosting
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Table W-3A to Subpart W of Part 98 Default Total Hydrocarbon Leaker Emission Factors for Onshore Natural Gas Transmission Compression

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