Green Book

You are here: EPA Home > Green Book > Carbon Monoxide (1971) Federal Register Notice Classification Changes

Carbon Monoxide (1971) Federal Register Notice Classification Changes

Data is current as of September 30, 2017
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