Q732. Does the 2014 GHGRP data include all U.S. emissions from petroleum and natural gas systems?

A732. No, the GHGRP does not cover all emissions from petroleum and natural gas systems. Facilities included in the petroleum and natural gas systems source category are required to submit annual reports only if the facility's total annual emissions from all sources covered by the GHGRP exceed 25,000 metric tons CO2e. In addition, the 2014 GHGRP data does not currently include reporting of emissions from the gathering and boosting segment, which is located after wellheads, but before natural gas processing. The 2014 GHGRP data also does not include reporting of vented emissions from hydraulically fractured oil wells. In addition, the 2014 GHGRP data does not cover reporting of process emissions from transmission lines between compressor stations. The oil and gas industry is growing and changing rapidly and there may be other sources of emissions that are not currently covered. The Agency will continue to review regulatory requirements to ensure the reporting of high quality data.

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Source: Brian Cook, 2/1/2013 (W Data release FAQs 2-1-13 3pm (2).doc), revised by M. DeFigueiredo, 2/5/2013, A. McKittrick 9/30/2013, revised Brian Cook 10/5/2015

Approval / Publishing History: Version 23

Expiration: none

Relevant Subpart/Component: Subpart W, General
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