Weekly Focus

With Science Debate Closed, Ozone Review Enters Contentious Policy Phase

December 1, 2022
EPA’s advisers recently approved a Trump-era science assessment as adequate to support the agency’s reconsideration of federal ozone standards, but a more contentious debate awaits as the Clean Air Scientific Advisory Committee (CASAC) mulls EPA’s draft policy document that again recommends retaining existing limits. In the next phase of the reconsideration, EPA will seek the input of CASAC’s special ozone panel on its draft policy assessment (PA) document, which in its current form again recommends retaining current national ambient air...

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