Green Book

You are here: EPA Home > Areas With a Maintenance Plan Requirement Under Section 110(A)(1) of the CAA

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

As of June 15, 2005

Jacksonville, FL
Lafayette, LA
New Orleans, LA
Preble Co, OH
Yuba City, CA
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standard, as well as designations and classifications for all 1-Hour Ozone nonattainment and maintenance areas, have been revoked except for the Greensboro, NC, Nashville, TN, and Denver, CO maintenance areas.

"Section 185A" was previously called "Transitional". 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.