EPA, Sierra Club Spar Over Legality Of State Air Monitoring Plan Mandates

EPA and the Sierra Club are sparring over the legality of an agency rule outlining air monitoring mandates for states, at odds over whether states must supply the agency with detailed air quality monitoring plans, subject to public notice and comment, as part of their formal Clean Air Act programs for attaining federal air quality standards. Both sides in Sierra Club v. EPA, et al. , pending in the U.S. Court of Appeals for the District of Columbia Circuit, on...