Following are Requests for Redesignation and Maintenance Plans Indiana has submitted to United States Environmental Protection Agency (U.S. EPA) for St. Joseph and Elkhart counties, Indiana, listed by applicable National Ambient Air Quality Standard (NAAQS).
Ozone
1997 8-Hour Ozone Standard
- Documents - December 13, 2019 to May 30, 2006 [ZIP]:
- Federal Register Notice Concerning U.S. EPA Approval of the Full Maintenance Plan Update for the South Bend-Elkhart, Indiana (St. Joseph and Elkhart Counties) 1997 8-Hour Ozone Area (December 13, 2019)
- Full Maintenance Plan Update for the South Bend-Elkhart, Indiana (St. Joseph and Elkhart Counties) 1997 8-Hour Ozone Area (June 20, 2019)
- MOBILE6.2 to MOVES MVEB Replacement Update to the South Bend-Elkhart (St. Joseph and Elkhart Counties) Maintenance Area under the 1997 8-Hour Ozone Standard (August 17, 2012)
- Federal Register Notice Concerning U.S. EPA Approval of the Request for Redesignation and Maintenance Plan for the South Bend-Elkhart (St. Joseph and Elkhart Counties) 8-Hour Ozone Nonattainment Area to Attainment (July 19, 2007)
- St. Joseph and Elkhart Counties 8-Hour Ozone Request for Redesignation Request and Maintenance Plan Submittal (May 30, 2006)