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Addressing uncertainty in oil and natural gas industry greenhouse gas inventories

July 2009

The uncertainties inherent in the data used for emission inventories help inform and improve understanding for the data’s use. This is receiving increased attention in order to understand determinations of GHG emissions and emission reductions. This document provides background information, and details, on measurement uncertainty and statistical calculation methods that improve the quality of GHG emission estimations for the oil and gas industry. It is a collaborative effort between IPIECA, the American Petroleum Institute (API) and CONCAWE.

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