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Title
Technical support document for recommended nonattainment boundaries in Illinois for the 24-hour PM2.5 National Ambient Air Quality Standard [AQPSTR 07-04]
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- Technical support document for recommended nonattainment boundaries in Illinois for the 24-hour PM2.5 National Ambient Air Quality Standard (20080812185155_recommendations.pdf)
Description
This report provides the basis for recommendations by the Illinois Environmental Protection Agency (IEPA) for attainment nonattainment designation boundaries for all areas in the State of Illinois for the 24-hour PM2.5 standard. Based on the most recent three years of ambient monitoring data (2004-2006), only three counties in Illinois are currently violating the 24-hour PM2.5 NAAQS, Cook, Will and Madison counties. Based on an analysis of the factors contained in federal guidance, the IEPA is recommending that portions of the Chicago and Metro-East metropolitan areas be designated as nonattainment for the 24-hour PM2.5 standard. The recommended boundaries also reflect U.S. EPA guidance to show that: 1) violations are not occurring in the excluded portions of the recommended area and 2) the excluded portions do not contain emission sources that contribute to the observed violations. The remaining areas of Illinois should be classified as attainment areas for the PM2.5 standard.
Subject Classification
- Laws and regulations: Environmental laws and regulations
- Laws and regulations: State statutes: Environmental laws
- Natural resources and the environment: Air quality
- Natural resources and the environment: Environmental laws and regulations
Sample text from the file
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Issuing Agency
Illinois
Bureau of Air
Related Materials: http://www.epa.state.il.us/public-notices/2007/general-notices.html#pm25-standards
Contact
Name: Rob Kaleel
Organization: Illinois Environmental Protection Agency, Bureau of Air
1021 North Grand Ave., East
P.O. Box 19276
Springfield, IL 62794-9276
Network Address: rob.kaleel@illinois.gov
Phone: 217-524-4343
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- MIME Type: application/pdf
- Language(s): EN-English
- Creation Date (from issuing agency): 12 2007
- File Modification Date On Web Server: Tue, 22 Jan 2008 15:49:55 GMT
- Document Modification Date (from issuing agency): 12 2007
- Date Accepted Into Depository: Thu, 14 Aug 2008 15:31:43 GMT
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- Web Address On Date Of Deposition: http://www.epa.state.il.us/public-notices/2007/pm25-standards/recommendations.pdf
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