The following documents contain air monitoring data on for TEOM, PM 4 Particulate Matter and Crystalline Silica and PM 4 Crystalline Silica from May 2015 - March 2016. The data was collected under a U.S. EPA-approved air monitoring program for particulate matter on dust leaving Wedron Silica Company and Technisand operations in Wedron. Data collection was overseen by U.S. EPA.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- PM 4 Crystalline Silica Data Summary May 2015 - March 2016 (PDF)(11 pp, 208 K, May 2015 - March 2016)
- PM4 Particulate Matter and Crystalline Silica Filter Data May 2015 - March 2016 (PDF)(220 pp, 4 MB, May 2015 - March 2016)
- TEOM Data May 2015 - March 2016 (PDF)(4725 pp, 24 MB, May 2015 - March 2016)