Table W-5A to Subpart W of Part 98 - —Default Methane Leaker Emission Factors for Liquefied Natural Gas (LNG) Storage

Table W-5A to Subpart W of Part 98 - Default Methane Leaker Emission Factors for Liquefied Natural Gas (LNG) Storage

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.

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(g)(6) and (7).

[81 FR 86518, Nov. 30, 2016]