A top official with the U.S. Environmental Protection Agency is optimistic that a nationwide project examining natural gas hydraulic fracturing and potential drinking water impacts will provide comprehensive guidelines to help scientists and the public identify the key issues to focus on. But the industry said past studies have already shown the process is safe.
Glenn Paulson, the EPA's science advisor, said Friday that a progress report on the study — mandated by Congress in 2010 — should be released before the end of the year, and a final report in 2014. He spoke at a University of Pittsburgh conference on health impacts of hydraulic fracturing, or fracking.
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