January – February 2023, Volume 51, Number 1

A Jan. 31 Bloomberg article by journalist Aaron Clark revealed significant shortcomings in emissions reporting at the Douglas Gas Plant, operated by Tallgrass Midstream, LLC. Following a routine maintenance project, oxygen levels at the facility rose to a hazardous level, prompting operators to conduct a safety release of methane. The potent greenhouse gas was vented in five separate instances between Dec. 6 and 7, 2022. Tallgrass reported this procedure to Wyoming’s Department of Environmental Quality (DEQ), noting a total of just under 2.1 metric tons of vented methane. A satellite image, however, shows Tallgrass’s report to be inadequate – by potentially hundreds of metric tons.

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