FAQ > GHG Data and Publication > Q724. Why are emissions from petroleum and natural gas systems – onshore production represented by geographic areas instead of individual point sources?
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Q724. Why are emissions from petroleum and natural gas systems – onshore production represented by geographic areas instead of individual point sources?


A724. Reporters in the petroleum and natural gas systems – onshore production source category operate many pieces of equipment and production wells over large geographic areas. These reporters aggregate their total emissions across these sources within a ‘basin’ and submit a single report to EPA including emissions from all covered sources within the basin. To better represent the geographic area where these emissions occur, EPA has added a GIS layer to FLIGHT that indicates the boundaries of each basin where emissions emanate from. Learn more about basins.

 

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