A coalition of environmental groups have sued the U.S. EPA to compel the agency to require the disclosure of chemicals used in hydraulic fracturing. More from Bloomberg:

The nine environmental and open-government groups bringing the suit want the EPA to require that oil and gas companies join coal mines, electric utilities and other industries in reporting deadly chemicals used or released to the Toxic Release Inventory database.

The suit was criticized by a petroleum industry advocate as an attempt to force oil and gas producers into an unnecessary reporting requirement.

“What EIP fails to grasp, and has actually refused to acknowledge for several years, is that the TRI was never intended to cover oil and gas production, which is already subject to numerous environmental regulations at the state and federal level,” said Steve Everley, a spokesman for Energy in Depth, a program of the Independent Petroleum Association of America.

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