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Major spill from the ExxonMobil Pegasus pipeline in Arkansas

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A breach in ExxonMobil’s Pegasus crude oil pipeline occurred late Friday afternoon near Mayflower, AR (about 20 miles north northwest of Little Rock and at the southeastern end of the Lake Conway reservoir). Efforts are being made to keep oil away from Lake Conway. Route of the Pegasus pipeline. Source: ExxonMobil. Click to enlarge.

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NRC report concludes hydraulic fracturing poses low risk for causing earthquakes, but risks are higher for wastewater injection wells; CCS impact undetermined

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Schematic diagram of a shale gas well following hydraulic fracture treatment, with the relative depths of local water wells shown for scale. Hydraulic fracturing (“fracking”) extracts natural gas by injecting a mixture of water, sand, and chemicals in short bursts at high pressure into deep underground wells.

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