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Previous Incomplete Data Areas with a Maintenance Plan
Requirement Under Section 110(a)(1) of the CAA
As of June 15, 2005
| LOUISIANA |
| Beauregard Par, LA |
| Grant Par, LA |
| LaFourche Par, LA |
| St James Par, LA |
| St Mary Par, LA |
| MICHIGAN |
| Saginaw-Bay City-Midland, MI |
| NEW HAMPSHIRE |
| Cheshire Co, NH |
| OREGON |
| Salem, OR |
| PENNSYLVANIA |
| Crawford Co, PA |
| Juniata Co, PA |
| Lawrence Co, PA |
| Northumberland Co, PA |
| Pike Co, PA |
| Schuylkill Co, PA |
| Snyder Co, PA |
| Susquehanna Co, PA |
| Warren Co, PA |
| Wayne Co, PA |
| TEXAS |
| Victoria, TX |
The 1-hour ozone standard, as well as designations and classifications for all 1-hour ozone nonattainment and maintenance areas, have been revoked except for the Greensboro, NC, Nashville, TN, and Denver, CO maintenance areas.
The former 1-hour ozone designations and classifications as of June 15, 2004, are being retained in subpart C of Part 81 for purposes of the anti backsliding provisions of 40 CFR 51.905. 40 CFR 51.905(c) references subpart C of part 81 for the areas affected by the anti-backsliding regulation. These classifications are either the nonattainment or maintenance classifications as of June 14, 2004.