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Hydraulic fracturing
Fracking and the Environment: Natural Gas Drilling, Hydraulic Fracturing and Water Contamination
Gas drilling companies such as Halliburton say the gas drilling technique known as hydraulic fracturing, or "fracking," is safe, but opponents contend it pollutes groundwater with dangerous substances. Now, new evidence has emerged possibly linking natural gas drilling to groundwater contamination. ProPublica journalist Abrahm Lustgarten reports federal officials in Wyoming have found that at least three water wells contain chemicals used in hydraulic fracturing. Ref. Source 8
Congress to Investigate Safety of Natural Gas Drilling Practice Known as Hydraulic Fracturing
The top Democrats on the House Committee on Energy and Commerce have asked eight oil-field companies to disclose the chemicals they've used and the wells they've drilled in over the past four years. Last week, Waxman also revealed two of the largest gas drilling companies have pumped hundreds of thousands of gallons of diesel-based fluids into the ground in violation of a voluntary agreement with the Environmental Protection Agency. Ref. Source 3