Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I—Environmental Protection Agency |
SubChapter C—Air Programs |
Part 98 - Mandatory Greenhouse Gas Reporting |
Subpart W - Petroleum and Natural Gas Systems |
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
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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
(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 - All Components, Gas Service1 Valve 4.9 3.5 Flange 4.1 2.2 Connector (other) 1.3 0.8 Open-Ended Line2 2.8 1.9 Pressure Relief Valve 4.5 2.8 Pump Seal 3.7 1.4 Other3 4.5 2.8 Leaker Emission Factors - All Components, Light Crude Service1 Valve 3.2 2.2 Flange 2.7 1.4 Connector (other) 1.0 0.6 Open-Ended Line 1.6 1.1 Pump 3.7 2.6 Agitator Seal 3.7 2.6 Other3 3.1 2.0 Leaker Emission Factors - All Components, Heavy Crude Service1 Valve 3.2 2.2 Flange 2.7 1.4 Connector (other) 1.0 0.6 Open-Ended Line 1.6 1.1 Pump 3.7 2.6 Agitator Seal 3.7 2.6 Other3 3.1 2.0 [81 FR 86515, Nov. 30, 2016]