40 C.F.R. Table W-3 to Subpart W of Part 98

Default Total Hydrocarbon Population Emission Factors

Last amended: 2025Year: 2026Length: 37 wordsOfficial source

Cite as 40 C.F.R. Table W-3 to Subpart W of Part 98 (2026)

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]
40 C.F.R. Table W-3 to Subpart W of Part 98: Default Total Hydrocarbon Population Emission Factors | Justis AI