40 CFR Appendix Table W-6A to Subpart W of Part 98 - Default Methane Leaker Emission Factors for LNG Import and Export Equipment
Table W-6A to Subpart W of Part 98 - Default Methane Leaker Emission Factors for LNG Import and Export Equipment
LNG import and export equipment | 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) |
|
|
||
Valve | 1.19 | 0.23 |
Pump Seal | 4.00 | 0.73 |
Connector | 0.34 | 0.11 |
Other 1 | 1.77 | 0.99 |
|
||
Valve 2 | 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 |
Other 3 | 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.
2 Valves 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(h)(7) and (8).
[81 FR 86518, Nov. 30, 2016]