SiteTitle • | Maintenance Plan for the Metro-East St. Louis Ozone Nonattainment Area for the 1997 8-Hour Ozone National Ambient Air Quality Standard (Revised) | [X] |
| 1: | | Title: | | | | Volume/Number: | 2011 August 18 | | | Issuing Agency: | | | | Description: | This document describes Illinois Maintenance Plan for the Illinois portion of the St. Louis ozone nonattainment area (NAA), hereafter referred to as the Metro-East NAA. A Maintenance Plan is required before an area can be redesignated from nonattainment to attainment of a National Ambient Air Quality Standard (NAAQS). This document provides technical information required to support a request to redesignate the Metro-East NAA to attainment of the 1997 8-hour ozone NAAQS. This revision incorporates motor vehicle emissions estimates developed using the U.S. EPAs MOVES model. | | | Date Created: | 09-17-2015 | | | Agency ID: | AQPSTR 11-05 | | | ISL ID: | 000000056952 Original UID: 177962 FIRST WORD: Maintenance | |
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