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Title: Electronic Gas Measurement Auditing
Author: Perry Dee Hummel
Source: 2007 American School of Gas Measurement Technology
Year Published: 2007
Abstract: Electronic Gas Measurement or EFM auditing is a very important process of the natural gas industry. Only a few short years ago, the dry flow chart recorder was the state of the art recording device for custody gas measurement. All that has changed with the advent of the flow computer volumes are recorded and generated at the field level, and imported to the measurement system. Careful review of meter data should be part of the monthly close process.