Divided CASAC Backs Ozone Standard But Urges NAAQS Process Changes

January 22, 2020
A majority of EPA’s divided Clean Air Scientific Advisory Committee (CASAC) is backing agency staff’s finding that the existing ozone national ambient air quality standards (NAAQS) are adequate to protect public health, but CASAC is calling for a change to the NAAQS review process to reinstate special advisory panels for the assessments. The seven-member CASAC outlined its positions on the review of the 2015 ozone standards in two draft letters to EPA released Jan. 21 ahead of teleconferences slated for...

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