Q511. Why do natural gas storage facilities not have different emission factors for compressor and non-compressor components like those for the natural gas transmission segment.

A511. EPA does not have sufficient data to support the differentiation of compressor and non-compressor components for underground storage. Should peer-reviewed data become available, at a time deemed appropriate by EPA, EPA would consider evaluating information on different emission factors for compressor and non compressor components for the underground natural gas storage industry segment under subpart W.

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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].

Approval / Publishing History: Version 1

Expiration : none

Relevant Subpart: W
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