12/14/11

Hydraulic fracturing fluids, highly noxious benzene concentrations

Water pollution report sends shockwaves though shale gas industry - South Africa | Moneyweb: "In a shock report that has sent shockwaves through the global oil and gas industry, the US Environmental Protection Agency has found fracking as the likely source of contamination of groundwater in the state of Wyoming, USA.

The finding is based on a three-year study of groundwater contamination near the town of Pavillion.

The deep water well monitoring study  found that synthetic chemicals, such as glycols and alcohols consistent with gas production had been detected as well as  hydraulic fracturing fluids, including highly noxious benzene concentrations well above Safe Drinking Water Act standards. The study also reported high methane levels.

The EPA said in the report that it is "concerned about the movement of contaminants within the aquifer and the safety of drinking water wells over time.' "

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