July 25, 2013 - After reviewing input on initial nonattainment designations, EPA is designating parts of 16 states as nonattainment for the 2010 sulfur dioxide standard. EPA will address the designations for all other areas in separate actions in the future. 

• Final Rule (PDF) (15pp, 338k) - Federal Register - August 5, 2013
• Map of EPA Nonattainment Designations

• Fact Sheet (PDF)(3 pp, 74 K)
• List of Areas Designated Nonattainment in July 2013 (PDF)(1 pg, 61 K)
• Response to Comments (PDF)(63 pp, 441 K)
• Arizona Technical Support Document (PDF)(29 pp, 8 MB)
• Florida Technical Support Document (PDF)(30 pp, 2 MB)
• Iowa Technical Support Document (PDF)(19 pp, 2 MB)
• Illinois Technical Support Document (PDF)(13 pp, 667 K)
• Indiana Technical Support Document (PDF)(18 pp, 925 K)
• Kentucky Technical Support Document (PDF)(21 pp, 2 MB)
• Louisiana Technical Support Document (PDF)(18 pp, 233 K)
• Michigan Technical Support Document (PDF)(8 pp, 384 K)
• Missouri Technical Support Document (PDF)(30 pp, 2 MB)
• Montana Technical Support Document (PDF)(19 pp, 2 MB)
• New Hampshire Technical Support Document (PDF)(11 pp, 623 K)
• Ohio Technical Support Document (PDF)(22 pp, 1 MB)
• Pennsylvania Technical Support Document (PDF)(38 pp, 2 MB)
• Tennessee Technical Support Document (PDF)(11 pp, 638 K)
• West Virginia Technical Support Document (PDF)(17 pp, 779 K)
• Wisconsin Technical Support Document (PDF)(7 pp, 322 K)