Natural Gas Drilling: Congress Launches Investigation Into Dangerous Practices By Halliburton

04/21/2010 05:12 am ET | Updated May 25, 2011

Two of the largest companies involved in natural gas drilling have acknowledged pumping hundreds of thousands of gallons of diesel-based fluids into the ground in the process of hydraulic fracturing, raising further concerns that existing state and federal regulations don't adequately protect drinking water from drilling.

Rep. Henry A. Waxman, D-Calif., who released the information in a statement [2] Thursday, announced that the House Committee on Energy and Commerce, which he chairs, is launching an investigation into potential environmental impacts from hydraulic fracturing.

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