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•Maintenance Plan for the Metro-East St. Louis Ozone Nonattainment Area for the 1997 8-Hour Ozone National Ambient Air Quality Standard (Revised) (1)
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Title:  

Maintenance Plan for the Metro-East St. Louis Ozone Nonattainment Area for the 1997 8-Hour Ozone National Ambient Air Quality Standard (Revised)

 
 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