EPA Completes Second Round of Sulfur Dioxide Designations

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) (648.41 KB)
• Fact Sheet (pdf) (148.97 KB)
• List of Areas Designated in June 2016 (pdf) (85.84 KB)
• Response to Comments (pdf) (1.99 MB)
• Arkansas Technical Support Document (pdf) (366.78 KB)
• Colorado Technical Support Document (pdf) (1.28 MB)
• Georgia Technical Support Document (pdf) (322.63 KB)
• Hawaii Technical Support Document (pdf) (361.58 KB)
• Illinois Technical Support Document (pdf) (2.06 MB)
• Indiana Technical Support Document (pdf) (1.7 MB)
• Iowa Technical Support Document (pdf) (1.67 MB)
• Kansas Technical Support Document (pdf) (556.97 KB)
• Kentucky Technical Support Document (pdf) (369.96 KB)
• Louisiana Technical Support Document (pdf) (1.57 MB)
• Maryland Technical Support Document (pdf) (1.2 MB)
• Michigan Technical Support Document (pdf) (2.36 MB)
• Mississippi Technical Support Document (pdf) (282.75 KB)
• Missouri Technical Support Document (pdf) (996.07 KB)
• Nebraska Technical Support Document (pdf) (1.13 MB)
• New York Technical Support Document (pdf) (547.23 KB)
• North Carolina Technical Support Document (pdf) (865.84 KB)
• North Dakota Technical Support Document (pdf) (431.93 KB)
• Ohio Technical Support Document (pdf) (988.1 KB)
• Oklahoma Technical Support Document (pdf) (370.68 KB)
• South Dakota Technical Support Document (pdf) (472.91 KB)
• Tennessee Technical Support Document (pdf) (1.04 MB)
• Texas Technical Support Document (pdf) (2.19 MB)
• Wisconsin Technical Support Document (pdf) (579.48 KB)