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Jul 18, 2012

ALTERNATIVE FUELS * USA - Fracking

* North Caroline - New Study Says Fracking Could be Tied into Groundwater Contamination in Marcellus Shale

(Photo: A fracking tower) 
Durham NC, USA -Green Automotive Digest -17 July 2012: -- There is a high risk of con­t­a­m­i­na­tion of ground­wa­ter by methane from the Mar­cel­lus Shale in parts of north­east­ern Penn­syl­va­nia, a new study sug­gests. Methane, which is a key com­po­nent of nat­ural gas extracted by hydraulic frac­tur­ing (aka frack­ing), could flow through nat­ural path­ways that link the Mar­cel­lus deep under­ground to aquifers near the sur­face. The study by researchers at Duke Uni­ver­sity finds evi­dence that such path­ways do, in fact, exist. The study reports that a chem­i­cal analy­sis of 426 shal­low ground­wa­ter sam­ples found matches with brine found in rock more than one mile deep, sug­gest­ing paths that would let gas or water flow up after drilling... 

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