Jump to main content or area navigation.

Contact Us

Green Book Nonattainment Areas

Carbon Monoxide (1971) Federal Register Notice Classification Changes

As of June 17, 2016
Ordered by Classification
Click on the 'FR Page' link to view the Federal Register Notice

SERIOUS
  
Anchorage, AK
Reclassify from Moderate > 12.7 ppm to Serious
Proposed Approval        12/02/1997      62 FR Page 63687     
Final Approval        06/12/1998      63 FR Page 32128     Effective:07/13/1998
  
Denver-Boulder, CO
Reclassify from Moderate > 12.7 ppm to Serious
Proposed Approval        07/09/1996      61 FR Page 36004     
Final Approval        03/10/1997      62 FR Page 10690     Effective:04/09/1997
  
Fairbanks, AK
Reclassify from Moderate <= 12.7 ppm to Serious
Proposed Approval        08/08/1997      62 FR Page 42717     
Final Approval        02/27/1998      63 FR Page 9945     Effective:03/30/1998
  
Las Vegas, NV
Reclassify from Moderate > 12.7 ppm to Serious
Proposed Approval        06/26/1997      62 FR Page 34419     
Final Approval        10/02/1997      62 FR Page 51604     Effective:11/03/1997
  
Phoenix, AZ
Reclassify from Moderate <= 12.7ppm to Serious.
Proposed Approval        05/10/1996      61 FR Page 21415     
Final Approval        07/29/1996      61 FR Page 39343     Effective:08/28/1996
  
Spokane, WA
Reclassify from Moderate > 12.7 ppm to Serious
Proposed Approval        07/01/1996      61 FR Page 33879     
Final Approval        03/12/1998      63 FR Page 12007     Effective:04/13/1998


Go Top

Jump to main content.