PDF documents associated with PM2.5 exceptional events for Granite City, IL.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- EPA response letter - Granite City, IL (PDF)(2 pp, 230 K, 7/24/09)
- EPA technical support document - Granite City, IL (PDF)(10 pp, 453 K, 7/24/09)