The document describes the results of a study to quantify the annual methane emissions from the natural gas industry for the 1992 base year.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Methane Emissions from the Natural Gas Industry - Executive Summary (PDF)(24 pp, 534 K)
- Methane Emissions from the Natural Gas Industry - Technical Report (PDF)(152 pp, 4 MB)
- Methane Emissions from the Natural Gas Industry - General Methodology (PDF)(192 pp, 4 MB)
- Methane Emissions from the Natural Gas Industry - Statistical Methodology (PDF)(138 pp, 3 MB)
- Methane Emissions from the Natural Gas Industry - Activity Factors (PDF)(144 pp, 3 MB)
- Methane Emissions from the Natural Gas Industry - Vented and Combustion Source Summary (PDF)(66 pp, 1 MB)
- Methane Emissions from the Natural Gas Industry - Blow and Purge Activities (PDF)(88 pp, 2 MB)
- Methane Emissions from the Natural Gas Industry - Equipment Leaks (PDF)(136 pp, 3 MB)
- Methane Emissions from the Natural Gas Industry - Underground Pipelines (PDF)(100 pp, 2 MB)
- Methane Emissions from the Natural Gas Industry - Metering and Pressure Regulating Stations (PDF)(48 pp, 1 MB)
- Methane Emissions from the Natural Gas Industry - Compressor Driver Exhaust (PDF)(86 pp, 2 MB)
- Methane Emissions from the Natural Gas Industry - Pneumatic Devices (PDF)(88 pp, 2 MB)
- Methane Emissions from the Natural Gas Industry - Chemical Injection Pumps (PDF)(48 pp, 828 K)
- Methane Emissions from the Natural Gas Industry - Glycol Dehydrators (PDF)(52 pp, 984 K)
- Methane Emissions from the Natural Gas Industry - Gas-Assisted Glycol Pumps (PDF)(64 pp, 670 K)