Air Monitoring Wedron, Illinois
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.