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Electronic Code of Federal Regulations

e-CFR data is current as of November 15, 2019

Title 40Chapter ISubchapter CPart 98Subpart W → Appendix


Title 40: Protection of Environment
PART 98—MANDATORY GREENHOUSE GAS REPORTING
Subpart W—Petroleum and Natural Gas Systems


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

Onshore natural gas processing plantsEmission factor (scf/hour/
component)
Leaker Emission Factors—Compressor Components, Gas Service
Valve114.84
Connector5.59
Open-Ended Line17.27
Pressure Relief Valve39.66
Meter19.33
Leaker Emission Factors—Non-Compressor Components, Gas Service
Valve16.42
Connector5.71
Open-Ended Line11.27
Pressure Relief Valve2.01
Meter2.93

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

[76 FR 80592, Dec. 23, 2011]

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