D.C. Circuit poised to hear suit over ending ‘once in’ air toxics policy

The U.S. Court of Appeals for the District of Columbia Circuit is poised to hear oral argument April 1 in a suit filed by California and environmentalists over EPA air chief Bill Wehrum’s memo scrapping a “once in, always in” policy, which critics say makes it easier for facilities to escape strict air toxics controls by lowering emissions. The long-running policy held that industrial sectors subject to strict Clean Air Act maximum achievable control technology (MACT) emissions standards as “major”...