Ozone Designations - 2015 Standards - Indiana State Recommendations and EPA Response

Ozone Designations for the 2015 Standards - Indiana

Scroll to the bottom for most recent documents. 

• Indiana State Recommendation (pdf) (2.23 MB)
• EPA's Response to Indiana (pdf) (432.23 KB)
• EPA's Technical Support Document - Chicago (pdf) (1.64 MB)
• EPA's Technical Support Document - Cincinnati (pdf) (1.95 MB)
• EPA's Technical Support Document - Louisville (pdf) (1.37 MB)
• Final EPA Technical Support Document (Chicago, IL-IN-WI) (pdf) (4.34 MB)
• Final EPA Technical Support Document Louisville, KY-IN (pdf) (1.33 MB)
• May 2021 - Chicago, IL-IN-WI Nonattainment Area Final Area Designations for the 2015 Ozone National Ambient Air Quality Standards Technical Support Document (TSD) for Counties Remanded to EPA (pdf) (2.78 MB)