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

As of June 15, 2005

Areas Listed Alphabetically Classification No. of
Counties
NAA
2000
Pop.
EPA
Region
State
Jacksonville, FL Section 185A 1 778,879 4 FL
Lafayette, LA Section 185A 1 190,503 6 LA
New Orleans, LA Section 185A 4 1,055,441 6 LA
Preble Co, OH Section 185A 1 42,337 5 OH
Yuba City, CA Section 185A 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.


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