EPA asks gas companies for their ‘secret’ fracking formulas

The U.S. Environmental Protection Agency announced today that it has asked nine natural gas service companies to voluntarily give information about the chemical composition of fluids used in the hydraulic fracturing or “fracking” process.

Fracking fluids are known to contain dozens of chemicals, designed to make the fluids work better when drillers crack into gas deposits deep in the earth. But the exact composition of companies’ formulas was exempted in 2005 from the Clean Water Act, which requires companies to make public chemicals being introduced into the environment.

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