Citation:

Harrison, M. METHANE EMISSIONS FROM THE NATURAL GAS INDUSTRY: PRODUCTION AND TRANSMISSION EMISSIONS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/A-94/086 (NTIS PB94169885), 1992.

Description:

The paper discusses a co-funded, Gas Research Institute/EPA project to quantify methane emissions to the atmosphere resulting from operations in the natural gas industry. tudy results will measure or calculate all methane emissions, from production at the well and up to, but not including, the point of final use. hen these data are combined with those of other studies than quantify greenhouse gas emissions from methane consumers (i.e., various combustion sources), a definitive comparison of the relative environmental effects of using methane versus other fuels will be possible. he methane emissions project is being executed in three phases: Phases 1 and 2 identified all potential emitting sources and then established methods for measuring or calculating emissions from those sources, and Phase 3 will gather statistical samples of data to complete the extrapolation to national estimates. n accuracy target of +/-100 billion standard cubic feet per year of calculated emissions has been established. urrently Phase 2 is complete, and Phase 3 is beginning. he paper presents the methods and preliminary conclusions from Phases 1 and 2, as well as the plans for completing Phase 3. Some calculations have been completed in Phase 2 and, although the calculations are not yet based on statistically significant data, some preliminary conclusions can be drawn.

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