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 will need Adobe 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)