Environmentalists challenge EPA approval of California ozone plan

May 22, 2019
Environmentalists are suing EPA in the U.S. Court of Appeals for the 9th Circuit over the agency’s approval of a plan by California’s San Joaquin Valley for reducing emissions to comply with the federal ozone ambient air standard, arguing the state’s plan falls short of Clean Air Act requirements and is therefore unlawful. The Association of Irritated Residents’ (AIR) May 17 petition for review challenges the valley’s state implementation plan (SIP) for achieving the 2008 ozone national ambient air quality...


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