Following are Requests for Redesignation and Maintenance Plans Indiana has submitted to United States Environmental Protection Agency (U.S. EPA) for Laporte County, 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 LaPorte County, Indiana, 1997 8-Hour Ozone Area (December 13, 2019)
- Full Maintenance Plan Update for the LaPorte County, Indiana, 1997 8-Hour Ozone Area (June 20, 2019)
- Federal Register Notice, Technical Corrections for the Approval Published on July 19, 2007, Concerning LaPorte County 8-Hour Ozone State Implementation Plan (August 8, 2007)
- Federal Register Notice Concerning U.S. EPA Approval of the LaPorte County 8-Hour Ozone Redesignation and Maintenance Plan (July 19, 2007)
- LaPorte County 8-Hour Ozone Request for Redesignation and Maintenance Plan Submittal (May 30, 2006)