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EPA Floats Aug. 1 Deadline To Decide On Ozone NAAQS Reconsideration

June 11, 2018
EPA is suggesting to a federal appeals court that it will decide by Aug. 1 on whether to reconsider the Obama-era decision to tighten the ozone air standard, with agency air chief William Wehrum said to favor accelerating a Clean Air Act-mandated review of the standard due by Oct. 1, 2020, in lieu of launching the reconsideration process. The Obama EPA in October 2015 tightened the ozone national ambient air quality standard (NAAQS) from 75 parts per billion (ppb) down...

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