40 C.F.R. § Table W-4B to Subpart W of Part 98
Current through September 30, 2024
Table W-4B to Subpart W of Part 98-Default Total Hydrocarbon Population Emission Factors for Underground Natural Gas Storage
| Underground natural gas storage | Emission factor (scf/hour/component) |
| Population Emission Factors-Storage Wellheads, Gas Service | |
| Connector | 0.01 |
| Valve | 0.1 |
| Pressure Relief Valve | 0.17 |
| Open-Ended Line | 0.03 |
| Population Emission Factors-Other Components, Gas Service | |
| Low Continuous Bleed Pneumatic Device Vents1 | 1.37 |
| High Continuous Bleed Pneumatic Device Vents1 | 18.20 |
| Intermittent Bleed Pneumatic Device Vents1 | 2.35 |
1 Emission Factor is in units of "scf/hour/device."
40 C.F.R. §Table W-4B to Subpart W of Part 98