EPA Prepares To Defend ‘Significant Impact Level’ Air Permit Screening

October 4, 2019
EPA at Oct. 7 appellate court oral argument will defend its use of “significant impact levels” (SILs) to ease Clean Air Act permitting for local regulators against environmentalists’ claim that the screening tools allow unlawful air pollution, while major industry groups are intervening to support the agency’s policy. In Sierra Club v. EPA, et al ., environmentalists are asking the U.S. Court of Appeals for the District of Columbia Circuit to scrap EPA’s guidance on how state regulators can use...


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