EPA tests of Wyo. aquifer detect compounds involved in fracking

11/11/2011 | ProPublica

Tests performed by the Environmental Protection Agency of a Wyoming aquifer have detected the solvent 2-Butoxyethanol, which is used in hydraulic fracturing. The testing also found other chemical compounds, including benzene at levels 50 times that which is considered safe for humans. The gas industry has said no such pollution resulted from its activities, and the EPA has released only raw data and has not pointed out a source for the contamination.

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