8-Hour Ozone (2015) Federal Register Notice Classification Changes

Data is current as of June 30, 2021
Ordered by Classification

Click on the 'FR' link to view the Federal Register Notice

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MODERATE
San Diego County, CA
Reclassify from Moderate to Severe
Proposed Approval	04/08/2021	86 FR 18227
Reclassify from Serious to Severe
Final Approval	06/02/2021	86 FR 29522	Effective: 07/02/2021

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