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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)
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).
Leaker Emission Factors—LNG Terminals Components, LNG Service
Valve 1.19 0.23
Pump Seal 4.00 0.73
Connector 0.34 0.11
Other 1 1.77 0.99
Leaker Emission Factors—LNG Terminals Components, Gas Service
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

[81 FR 86519, Nov. 30, 2016]

['Air Programs']
['Greenhouse Gases']
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