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AASG on Hydraulic Fracturing
August 12, 2012 | Association of American State Geologists

“After decades of hydraulic fracturing-related activity there is little evidence if any that hydraulic fracturing itself has contaminated fresh groundwater. No occurrences are known where hydraulic fracturing fluids have moved upward from the zone of fracturing of a horizontal well into the fresh drinking water.” Quoted from the Association of American State Geologists statement.


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