Particulate Matter (PM-10) Federal Register Notice
Attainment Date Extensions

Ordered by Classification
As of August 30, 2011

SERIOUS

Clark Co, NV
Extension from 12/31/2001 to 12/31/2006
Proposed Approval	01/22/2003	68 FR Page 2954
Final Approval	06/09/2004	69 FR Page 32273	Effective:07/09/2004

Coachella Valley, CA
Extension from 12/31/2001 to 12/31/2006
Proposed Approval	12/17/2002	67 FR Page 77204
Final Approval	04/18/2003	68 FR Page 19318	Effective:05/19/2003

Los Angeles South Coast Air Basin, CA
Extension from 12/31/2001 to 12/31/2006
Proposed Approval	12/17/2002	67 FR Page 77212
Final Approval	04/18/2003	68 FR Page 19316	Effective:05/19/2003

Phoenix, AZ
Extension from 12/31/2001 to 12/31/2006. Court remand, re-proposed, and confirmed
Proposed Approval	04/13/2000	65 FR Page 19963
Proposed Approval	10/02/2001	66 FR Page 50251
Final Approval	07/25/2002	67 FR Page 48718	Effective:08/26/2002
Court-Order	10/10/2004	99 FR Page 5953
Proposed Approval	07/01/2005	70 FR Page 38064
Final Approval	08/03/2006	71 FR Page 43979	Effective:09/05/2006
Final Approval	08/14/2008	73 FR Page 47542	Effective:09/15/2008

MODERATE

Salt Lake Co, UT
Extension from 12/31/1994 to 12/31/1995
Proposed Approval	09/21/2000	65 FR Page 57127
Final Approval	06/18/2001	66 FR Page 32752	Effective:07/18/2001

Utah Co, UT
Extension from 12/31/1994 to 12/31/1996
Proposed Approval	09/21/2000	65 FR Page 57127
Final Approval	06/18/2001	66 FR Page 32752	Effective:07/18/2001