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Canada Methane Plume Coincided With Work on Natural Gas System (1)

Oct. 13, 2021, 10:01 PM

A plume of methane detected by satellite last month in Canada lined up with the intentional release of the superpotent greenhouse gas from a network of natural gas pipelines.

SaskEnergy Inc. said its TransGas unit performed relief-valve maintenance at the Rush Lake Compressor station in Saskatchewan on the morning of Sept. 24, releasing natural gas — whose main component is methane — for 10 minutes. A concentration of the gas cloud was observed at 2:15 p.m. local time by a European Space Agency satellite.

The operator first said it released about 400 gigajoules of gas, but on Wednesday revised that ...

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