Jump to main content.


Carbon Monoxide (1971) Federal Register Notice
Changes to a Higher Classification

As of July 02, 2014
Ordered by Classification

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

Local Navigation


Jump to main content.