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Greenhouse Gas Reporting Program

Subpart W – Petroleum and Natural Gas Systems

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Owners or operators of facilities that contain petroleum and natural gas systems and emit 25,000 metric tons or more of GHGs per year (expressed as carbon dioxide equivalents) report GHG data to EPA. Owners or operators collect GHG data; calculate GHG emissions; and follow the specified procedures for quality assurance, missing data, recordkeeping, and reporting. Subpart W consists of emission sources in eight segments of the petroleum and natural gas industry.

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