
Interior floated draft rules in May that require industry disclosure of chemicals used in the fracking process. The draft rules also address well integrity and management of so-called flowback water.
Interior plans to finalize the regulations by the end of the year.
Fracking involves high-pressure injections of water, chemicals and sand into shale formations to open seams that enable hydrocarbons to flow. The method is enabling a natural gas production boom in the United States, but is bringing fears of pollution along with it. (The Hill, 6/22/2012)
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