Ozone Designations for the 2015 Standards - Illinois
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Illinois State Recommendation (PDF)(2 pp, 43 K)
- Illinois State Recommendation - Technical Support Document (PDF)(83 pp, 4 MB)
- EPA's Response to Illinois (PDF)(3 pp, 440 K)
- EPA's Technical Support Document - Chicago (PDF)(25 pp, 2 MB)
- EPA's Technical Support Document (PDF)(26 pp, 2 MB)
- Illinois State Recommendation (April 26, 2018) (PDF)(1 pg, 23 K)
- Final EPA Technical Support Document (Chicago, IL-IN-WI) (PDF)(25 pp, 5 MB)
- Final EPA Technical Support Document for St. Louis, MO-IL (PDF)(27 pp, 2 MB)