PM-2.5 (1997) Federal Register Notice Classification Changes

Data is current as of March 31, 2024
Ordered by Classification

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

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SERIOUS
San Joaquin Valley, CA
Change from Subpart 1 to Moderate
Proposed Approval	11/21/2013	78 FR 69806
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Reclassify from Moderate to Serious
Proposed Approval	01/12/2015	80 FR 1482
Final Approval	04/07/2015	80 FR 18528	Effective: 05/07/2015
MODERATE
Atlanta, GA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Baltimore, MD
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Chattanooga, TN-GA-AL
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Harrisburg-Lebanon-Carlisle, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Johnstown, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Knoxville, TN
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Lancaster, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Libby, MT
Change from Subpart 1 to Moderate
Proposed Approval	11/21/2013	78 FR 69806
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Liberty-Clairton, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Los Angeles-South Coast Air Basin, CA
Change from Subpart 1 to Moderate
Proposed Approval	11/21/2013	78 FR 69806
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Louisville, KY-IN
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Martinsburg-Hagerstown, WV-MD
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Philadelphia-Wilmington, PA-NJ-DE
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Pittsburgh-Beaver Valley, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Reading, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
St. Louis, MO-IL
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
Washington, DC-MD-VA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
York, PA
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014
FORMER SUBPART 1
Philadelphia-Wilmington, PA-NJ-DE
Change from Subpart 1 to Moderate
Final Approval	06/02/2014	79 FR 31566	Effective: 07/02/2014

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