Q595. Does a simple open pipe with no flare tip count as a flare under 98.233 (n ) in Subpart W?
A595. 40 CFR § 98.238 defines a flare as “…a combustion device, whether at ground level or elevated, that uses an open or closed flame to combust waste gases without energy recovery.” An open pipe without combustion would not be considered a flare, but any hydrocarbon releases through it would be considered “vented emissions” under §98.238, which includes “process designed flow to the atmosphere through seals or vent pipes.”
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Source: EPA, Frequently Asked Questions, Petroleum and Natural Gas Systems, July 2011, [http://www.epa.gov/ghgreporting/documents/pdf/2011/documents/Subpart-W-additional-faq.pdf]. Modified by M. Eaddy, 7/26/2012
Approval / Publishing History: Version 2
Expiration : none
Relevant Subpart: W, Flaring
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