EPA Draws Stiff Criticism Over Plan To Retain Secondary Ozone Limit

May 25, 2023
EPA is drawing stiff criticism from most of its science advisors, the National Park Service and environmentalists over a staff recommendation that the “secondary,” or welfare-based federal ozone limit remain unchanged, pointing to persistent damage to plant life at ozone levels deemed protective by EPA. A majority of EPA’s Clean Air Scientific Advisory Committee (CASAC) and its special ozone review panel met virtually May 23 - 24 to consider the committee’s response to EPA’s revised policy assessment document (PA), in...

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