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Article updated: 7/19/2013 4:37 PM

Researchers find no tainted water near fracking site

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Associated Press/March 29, 2013 A worker uses a headset and microphone to communicate with coworkers over the din of pump trucks, at the site of a natural gas hydraulic fracturing and extraction operation run by the Encana Oil & Gas (USA) Inc., outside Rifle, in western Colorado.

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The Energy Department's study, which is still in progress and may be completed and released by the end of the year, is "far too preliminary to make any firm claims," Shelley Martin, a spokeswoman for the National Energy Technology Laboratory, said today.
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