Particulate Matter (PM-10) Federal Register Notice
Changes to a Higher Classification

As of December 14, 2012
Ordered by Classification

SERIOUS

Clark Co, NV
Reclassify from Moderate to Serious
Final Approval	01/08/1993	58 FR Page 3334	Effective:02/08/1993

Coachella Valley, CA
Reclassify from Moderate to Serious
Final Approval	01/08/1993	58 FR Page 3334	Effective:02/08/1993

Imperial Valley, CA
Reclassify from Moderate to Serious
Proposed Approval	08/10/2001	66 FR Page 42187
Court-Order	10/09/2003	99 FR Page 14995
Court-Order	12/18/2003	99 FR Page 17741
Proposed Approval	08/11/2004	69 FR Page 48835
Final Approval	08/11/2004	69 FR Page 48792	Effective:09/10/2004

Los Angeles South Coast Air Basin, CA
Reclassify from Moderate to Serious
Final Approval	01/08/1993	58 FR Page 3334	Effective:02/08/1993

Owens Valley, CA
Reclassify from Moderate to Serious
Final Approval	01/08/1993	58 FR Page 3334	Effective:02/08/1993

Phoenix, AZ
Reclassify from Moderate to Serious
Proposed Approval	06/07/1995	60 FR Page 30046
Final Approval	05/10/1996	61 FR Page 21372	Effective:06/10/1996

San Joaquin Valley Air Basin, CA
Reclassify from Moderate to Serious
Final Approval	01/08/1993	58 FR Page 3334	Effective:02/08/1993

Wallula, WA
Reclassify from Moderate to Serious
Proposed Approval	11/16/2000	65 FR Page 69275
Proposed Approval	12/12/2000	65 FR Page 77544
Direct Final	02/09/2001	66 FR Page 9663	Effective:03/12/2001

Washoe Co, NV
Reclassify from Moderate to Serious
Proposed Approval	11/22/2000	65 FR Page 70326
Direct Final	01/08/2001	66 FR Page 1268	Effective:02/07/2001

MODERATE

Fort Hall Indian Reservation, ID
Reclassify from Moderate to Serious
Proposed Approval	06/19/1998	63 FR Page 33605

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Particulate Matter (PM-10) Federal Register Notice
Changes to a Higher Classification