Solution-Determining whether clean groundwater

Determining whether clean groundwater has become dirty and what caused any contamination is a complex pursuit. Stephen Osborn and three colleagues from Duke University set out to learn whether drinking water was really being contaminated by nearby hydrofracking. Osborn’s team focused on sites in northeastern Pennsylvania and adjacent New York, where the Marcellus shale formation overlies the Utica Shale formation. The sites they tested are indicated in the map below.

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