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]