June 30, 2016 - After reviewing all available data and information, EPA is completing a second round of area designations.   As described in the preamble to EPA’s SO₂ Data Requirements Rule, the EPA will designate all remaining areas by either December 31, 2017, or December 31, 2020.

• Final Rule (PDF) - Federal Register - July 12, 2016

• Map of Designated Areas (PDF)(1 pg, 664 K)
• Fact Sheet (PDF)(7 pp, 153 K)
• List of Areas Designated in June 2016 (PDF)(3 pp, 88 K)
• Response to Comments (PDF)(151 pp, 2 MB)
• Arkansas Technical Support Document (PDF)(11 pp, 376 K)
• Colorado Technical Support Document (PDF)(41 pp, 1 MB)
• Georgia Technical Support Document (PDF)(8 pp, 330 K)
• Hawaii Technical Support Document (PDF)(9 pp, 370 K)
• Illinois Technical Support Document (PDF)(32 pp, 2 MB)
• Indiana Technical Support Document (PDF)(29 pp, 2 MB)
• Iowa Technical Support Document (PDF)(30 pp, 2 MB)
• Kansas Technical Support Document (PDF)(14 pp, 570 K)
• Kentucky Technical Support Document (PDF)(12 pp, 379 K)
• Louisiana Technical Support Document (PDF)(26 pp, 2 MB)
• Maryland Technical Support Document (PDF)(27 pp, 1 MB)
• Michigan Technical Support Document (PDF)(27 pp, 2 MB)
• Mississippi Technical Support Document (PDF)(7 pp, 290 K)
• Missouri Technical Support Document (PDF)(34 pp, 1 MB)
• Nebraska Technical Support Document (PDF)(24 pp, 1 MB)
• New York Technical Support Document (PDF)(9 pp, 560 K)
• North Carolina Technical Support Document (PDF)(22 pp, 887 K)
• North Dakota Technical Support Document (PDF)(16 pp, 442 K)
• Ohio Technical Support Document (PDF)(21 pp, 1 MB)
• Oklahoma Technical Support Document (PDF)(10 pp, 380 K)
• South Dakota Technical Support Document (PDF)(17 pp, 484 K)
• Tennessee Technical Support Document (PDF)(19 pp, 1 MB)
• Texas Technical Support Document (PDF)(51 pp, 2 MB)
• Wisconsin Technical Support Document (PDF)(7 pp, 593 K)