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

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

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


SEVERE 15

San Diego County, CA
Reclassify from Moderate to Severe 15
Proposed Approval 04/08/2021 86 FR 18227
Final Approval 06/02/2021 86 FR 29522 Effective: 07/02/2021

MODERATE

Kern County (Eastern Kern), CA
Reclassify from Moderate to Serious
Proposed Approval 08/13/2021 86 FR 44677

Nevada County (Western part), CA
Reclassify from Moderate to Serious
Proposed Approval 08/13/2021 86 FR 44677

Sacramento Metro, CA
Reclassify from Moderate to Serious
Proposed Approval 08/13/2021 86 FR 44677


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