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85 FR 31182

05/22/2020
Update Type: 
Notices

EPA announced the availability of the Policy Assessment for the Ozone National Ambient Air Quality Standards, which was prepared as part of the current review of NAAQS for photochemical oxidants including ozone and serves to bridge the gap between the currently available scientific and technical information and the judgments required of the Administrator in determining whether to retain or revise the existing ozone NAAQS. 

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Update Volume

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Update Issue

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