Results of PA DEP Study Using Airplane to Detect Methane Leaks

The Pennsylvania Dept. of Environmental Protection (DEP), in collaboration with Carbon Mapper, Inc. and the U.S. Climate Alliance, conducted a research study in May 2021. The study looked at four different areas across Pennsylvania to measure leaking methane using a specially-outfitted airplane. The study wasn't so much about who was leaking methane as it was about whether the airborne detection technology was accurate. However, the results (the who) was interesting. The study (see an overview below) chronicles the discovery of 153 total methane plumes detected from 91 individual sources, including oil and gas facilities (63 sources), coal mines (18 sources), and landfills (9 facilities).

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