40 CFR Table W-5A to Subpart W of Part 98
Default Methane Leaker Emission Factors for Liquefied Natural Gas (LNG) Storage
June 9, 2020
Open Table
| LNG storage | Emission factor (scf/hour/component) |
|
|---|---|---|
| If you survey using any of the methods in §98.234(a)(1) through (6) |
If you survey using Method 21 as specified in §98.234(a)(7) |
|
| Leaker Emission Factors—LNG Storage Components, LNG Service | ||
| Valve | 1.19 | 0.23 |
| Pump Seal | 4.00 | 0.73 |
| Connector | 0.34 | 0.11 |
| Other1 | 1.77 | 0.99 |
| Leaker Emission Factors—LNG Storage Components, Gas Service | ||
| Valve2 | 14.84 | 9.51 |
| Connector | 5.59 | 3.58 |
| Open-Ended Line | 17.27 | 11.07 |
| Pressure Relief Valve | 39.66 | 25.42 |
| Meter and Instrument | 19.33 | 12.39 |
| Other3 | 4.1 | 2.63 |
1“Other” equipment type for components in LNG service should be applied for any equipment type other than connectors, pumps, or valves.
2Valves include control valves, block valves and regulator valves.
3“Other” equipment type for components in gas service should be applied for any equipment type other than valves, connectors, flanges, open-ended lines, pressure relief valves, and meters and instruments, as specified in §98.232(g)(6) and (7).
[81 FR 86518, Nov. 30, 2016]
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