EPA is responding to three petitions requesting the Agency to reconsider certain area designations for the 2010 health based sulfur dioxide air quality standard.
After carefully reviewing a petition from Southern Illinois Power Cooperative, EPA is denying their request to reconsider the “nonattainment” designation for Williamson County, Illinois.
Sierra Club submitted two petitions requesting that EPA reconsider “unclassifiable” designations for
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portions of Franklin and St. Charles Counties, Missouri including the Ameren Labadie Energy Center and,
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the Gallia, Ohio Area, including the General James M Gavin Power Plant.
EPA is granting the Sierra Club petitions and will reconsider these designations during the final round of 2010 sulfur dioxide area designations to be completed by December 31, 2020.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Petition to Reconsider Sulfur Dioxide Area Designation for Williamson County, IL (PDF)(30 pp, 125 K)
- Air Quality Designations for the 2010 Sulfur Dioxide (SO2) Primary National Ambient Air Quality Standard - Round 2: Notice of Action Denying Petition for Reconsideration (PDF)(5 pp, 72 K)
- Response to Southern Illinois Power Cooperative (Bonebrake) - Williamson County, IL (PDF)(19 pp, 1 MB)
- Petition to Reconsider Sulfur Dioxide Area Designation for Portions of Franklin and St. Charles Counties, Missouri (PDF)(5 pp, 470 K)
- Response to Washington University School of Law (Lipeles) - Franklin and St. Charles County, MO (PDF)(1 pg, 270 K)
- Petition to Reconsider Sulfur Dioxide Area Designation for Gallia County, OH Area (PDF)(35 pp, 3 MB)
- Response to Sierra Club (Fabish) - Gallia County, OH Area (PDF)(1 pg, 260 K)
- Response to Sierra Club (Issod) - Gallia County, OH Area (PDF)(1 pg, 266 K)
- Response to Sierra Club (Mendoza) - Gallia County, OH Area (PDF)(1 pg, 267 K)