Fracking May Pollute Groundwater with More Chemicals Than Previously Thought

June 26, 2014 4:09 PM

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It turns out that there may far more contamination from fracking than once thought. Scientists have found that the oil and gas extraction method known and hydraulic fracturing may contribute more pollutants to groundwater than previous research has suggested.

Hydraulic fracturing, more commonly known as fracking, involves inject large volumes of fluids underground at high pressures. These fluids are combined with chemicals that help release gas and oil trapped in cracks in hard rock. The gas and oil is then extracted and the wastewater, in theory, is dis...

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