40 CFR Appendix Table W-1E to Subpart W of Part 98 - Default Whole Gas Leaker Emission Factors for Onshore Petroleum and Natural Gas Production and Onshore Petroleum and Natural Gas Gathering and Boosting
|Equipment components||Emission factor
|If you survey using any of the methods in § 98.234(a)(1)
|If you survey using Method 21
as specified in
|Leaker Emission Factors - All Components, Gas Service 1|
|Open-Ended Line 2||2.8||1.9|
|Pressure Relief Valve||4.5||2.8|
|Leaker Emission Factors - All Components, Light Crude Service 1|
|Leaker Emission Factors - All Components, Heavy Crude Service 1|
1 For multi-phase flow that includes gas, use the gas service emission factors.
2 The open-ended lines component type includes blowdown valve and isolation valve leaks emitted through the blowdown vent stack for centrifugal and reciprocating compressors.
3 “Others” category includes any equipment leak emission point not specifically listed in this table, as specified in § 98.232(c)(21) and (j)(10).
4 Hydrocarbon liquids greater than or equal to 20°API are considered “light crude.”
5 Hydrocarbon liquids less than 20°API are considered “heavy crude.”
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