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 will need Adobe 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, 495 K)
- Methane Emissions from the Natural Gas Industry - Technical Report (PDF)(152 pp, 3 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, 2 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, 964 K)
- 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, 753 K)
- Methane Emissions from the Natural Gas Industry - Glycol Dehydrators (PDF)(52 pp, 891 K)
- Methane Emissions from the Natural Gas Industry - Gas-Assisted Glycol Pumps (PDF)(64 pp, 615 K)