Following are Requests for Redesignation and Maintenance Plans Indiana has submitted to United States Environmental Protection Agency (U.S. EPA) for Vigo County, Indiana, listed by applicable National Ambient Air Quality Standard (NAAQS).
Ozone
1997 8-Hour Ozone Standard
- Documents - December 27, 2019 to July 5, 2005 [ZIP]
- Federal Register Notice Concerning U.S. EPA Approval of the Limited Maintenance Plan Update for the Terre Haute, Indiana (Vigo County) 1997 8-Hour Ozone Area (December 27, 2019)
- Limited Maintenance Plan Update for the Terre Haute, Indiana (Vigo County) 1997 8-Hour Ozone Area (April 25, 2019)
- MOBILE6.0 to MOVES MVEB Replacement Update to the Maintenance Plan for the 1997 8-Hour Ozone Standard for Vigo County, Indiana (July 2, 2013)
- Federal Register Notice Concerning U.S. EPA Approval of the Request for Redesignation and Maintenance Plan for the Vigo County (Terre Haute, IN) 8-Hour Ozone Nonattainment Area to Attainment (January 5, 2006)
- Vigo County (Terre Haute, IN) 8-Hour Ozone Request for Redesignation and Maintenance Plan Submittal-Transmittal Letter and Request for Redesignation and Maintenance Plan (July 5, 2005)
- Appendix A-D
Sulfur Dioxide (SO2)
Fayette and Harrison Townships in Terre Haute, Indiana, make up the area of Vigo County designated by U.S. EPA under the 2010 primary 1-hour SO2 NAAQS.
2010 Primary 1-Hour SO2 Standard
- Documents - July 8, 2019 to October 24, 2018 [ZIP]
- Federal Register Notice Concerning U.S. EPA's Approval of the Request for Redesignation and Maintenance Plan for the Terre Haute, Indiana, Area to Attainment of the 2010 Sulfur Dioxide Standard (July 8, 2019)
- Terre Haute, Indiana Partial Vigo County (Fayette and Harrison Townships) 2010 1-Hour Sulfur Dioxide Request for Redesignation and Maintenance Plan Submittal (October 24, 2018)