WASHINGTON, Oct. 2 (TNSFR) -- The U.S. Environmental Protection Agency is requesting public information and comment to aid in the development of changes to the Regional Haze Rule (RHR), which aims to protect visibility in mandatory Class I Federal areas, such as certain national parks and wilderness areas.

EPA's Advance Notice of Proposed Rulemaking indicates a priority is streamlining the RHR's requirements. These regulations dictate how states must submit state implement . . .

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