Last week, the US Environmental Protection Agency (EPA) issued final Permitting Guidance for Oil and Gas Hydraulic Fracturing Activities Using Diesel Fuels under its Underground Injection Control (UIC) program. The final guidance comes more than a year and a half after EPA issued the initial draft, concluding that fracking operations using diesel fuel as a fracking fluid or propping agent were subject to UIC Class II permitting requirements (see May 8, 2012, post). Fracking activities not using diesel fuels are excluded from UIC requirements under the Safe Drinking Water Act pursuant to the 2005 Energy Policy Act.
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