| | 1: | | Title: | | | | | Volume/Number: | 2010 June 1 | | | | Issuing Agency: | | | | | Description: | This document describes Illinois Draft Maintenance Plan for the Illinois portion of the Chicago fine particulate matter (PM2.5) nonattainment area (NAA), hereafter referred to as the Chicago NAA. An approved 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 Chicago NAA to attainment of the 1997 annual PM2.5 NAAQS. | | | | Date Created: | 06 07 2010 | | | | Agency ID: | | | | | ISL ID: | 000000042573 Original UID: 22095 FIRST WORD: Maintenance | |
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