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Previous Section 185A Areas with a Maintenance Plan Requirement Under Section 110(a)(1) of the CAA

Data is current as of June 15, 2005

Areas Listed Alphabetically	No. Counties NAA	2010 Population	EPA Region	State(s)
Jacksonville, FL	1	778,879	4	FL
Lafayette, LA	1	190,503	6	LA
New Orleans, LA	4	1,055,441	6	LA
Preble Co, OH	1	42,337	5	OH
Yuba City, CA	2	114,135	9	CA

5 Total Areas	9	2,181,295

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.