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Federal Register Notices Related to
Particulate Matter (PM-2.5) 1997 Standard Designations and Classifications

Ordered Chronologically in Descending Order
As of November 13, 2009
Last Notice

10/06/2009 Greensboro-Winston Salem-High Point NORTH CAROLINA 74 FR Page 51249 Proposed Approval Clean Air/Attainment Determination
10/06/2009 Hickory, NC NORTH CAROLINA 74 FR Page 51246 Proposed Approval Clean Air/Attainment Determination
09/29/2009 Baltimore, MD MARYLAND 74 FR Page 49834 Proposed Approval Extension of Comment Period
09/29/2009 Martinsburg, WV-Hagerstown, MD MARYLAND 74 FR Page 49834 Proposed Approval Extension of Comment Period
09/29/2009 Martinsburg, WV-Hagerstown, MD WEST VIRGINIA 74 FR Page 49833 Proposed Approval Extension of Comment Period
09/29/2009 Parkersburg-Marietta, WV-OH WEST VIRGINIA 74 FR Page 49833 Proposed Approval Extension of Comment Period
09/29/2009 Wheeling, WV-OH WEST VIRGINIA 74 FR Page 49833 Proposed Approval Extension of Comment Period
09/25/2009 Johnstown, PA PENNSYLVANIA 74 FR Page 48863 Final Approval Clean Air/Attainment Determination
09/25/2009 Lancaster, PA PENNSYLVANIA 74 FR Page 48863 Final Approval Clean Air/Attainment Determination
09/25/2009 Reading, PA PENNSYLVANIA 74 FR Page 48863 Final Approval Clean Air/Attainment Determination
09/25/2009 York, PA PENNSYLVANIA 74 FR Page 48863 Final Approval Clean Air/Attainment Determination
09/24/2009 Chicago-Gary-Lake County, IL-IN ILLINOIS 74 FR Page 48690 Proposed Approval Clean Air/Attainment Determination
09/24/2009 Evansville, IN INDIANA 74 FR Page 48690 Proposed Approval Clean Air/Attainment Determination
08/27/2009 Martinsburg, WV-Hagerstown, MD WEST VIRGINIA 74 FR Page 43653 Proposed Approval Correction
08/27/2009 Parkersburg-Marietta, WV-OH WEST VIRGINIA 74 FR Page 43653 Proposed Approval Correction
08/27/2009 Wheeling, WV-OH WEST VIRGINIA 74 FR Page 43653 Proposed Approval Correction
07/31/2009 Baltimore, MD MARYLAND 74 FR Page 38161 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Johnstown, PA PENNSYLVANIA 74 FR Page 38158 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Lancaster, PA PENNSYLVANIA 74 FR Page 38158 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Martinsburg, WV-Hagerstown, MD MARYLAND 74 FR Page 38161 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Martinsburg, WV-Hagerstown, MD WEST VIRGINIA 74 FR Page 38154 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Parkersburg-Marietta, WV-OH WEST VIRGINIA 74 FR Page 38154 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Reading, PA PENNSYLVANIA 74 FR Page 38158 Proposed Approval Clean Air/Attainment Determination
07/31/2009 Wheeling, WV-OH WEST VIRGINIA 74 FR Page 38154 Proposed Approval Clean Air/Attainment Determination
07/31/2009 York, PA PENNSYLVANIA 74 FR Page 38158 Proposed Approval Clean Air/Attainment Determination
01/12/2009 Washington, DC-MD-VA DISTRICT OF COL 74 FR Page 1146 Final Approval Clean Air/Attainment Determination
01/12/2009 Washington, DC-MD-VA MARYLAND 74 FR Page 1146 Final Approval Clean Air/Attainment Determination
01/12/2009 Washington, DC-MD-VA VIRGINIA 74 FR Page 1146 Final Approval Clean Air/Attainment Determination
10/22/2008 Washington, DC-MD-VA DISTRICT OF COL 73 FR Page 62945 Proposed Approval Clean Air/Attainment Determination
10/22/2008 Washington, DC-MD-VA MARYLAND 73 FR Page 62945 Proposed Approval Clean Air/Attainment Determination
10/22/2008 Washington, DC-MD-VA VIRGINIA 73 FR Page 62945 Proposed Approval Clean Air/Attainment Determination
08/25/2008 Harrisburg-Lebanon-Carlisle, PA PENNSYLVANIA 73 FR Page 49949 Final Approval Clean Air/Attainment Determination
06/13/2008 Harrisburg-Lebanon-Carlisle, PA PENNSYLVANIA 73 FR Page 33754 Proposed Approval Clean Air/Attainment Determination

First Notice

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