40 CFR Appendix Table W-3 to Subpart W of Part 98 - Default Total Hydrocarbon Population Emission Factors

Table W-3 to Subpart W of Part 98—Default Total Hydrocarbon Population Emission Factors
Industry segment Source type/component Emission factor
(scf total hydrocarbon/
hour/component)
Population Emission Factors—Storage Wellheads, Gas Service
Underground natural gas storage Connector 0.01
Valve 0.1
Pressure Relief Valve 0.17
Open-Ended Line 0.03
[89 FR 42325, May 14, 2024]