chlorine dioxide test kitMonitor ClO2 levels on-site with the NEW Chlorine Dioxide Test Kit. The Chlorine Dioxide Test Kit uses the reliable and EPA-accepted DPD method to monitor ClO2 concentration, while eliminating chlorine interference through the addition of glycine. With 100 test per kit and an available range of 0-10 mg/L and resolution of 0.1 mg/L, operators can accurately monitor around the 0.8 mg/L regulated limit. Use this kit as a cost-effective method for maintaining optimum chlorine dioxide levels in your plant. USEPA-accepted for waste water and potable water. Approved by some states for potable water under specific conditions. Check with your regulatory agency.