OMRI Listed certification document for EnviroChlorite 15 Chlorine Dioxide and Acidified Chlorite Solution Precursor manufactured by Enviro Tech Chemical Services Inc, an Arxada company. The product is categorized as NOP: Chlorine Dioxide and approved for Crop Management Tools and Production Aids. Status: Allowed with Restrictions. Certification expires on 1-Jun-2027. Restrictions state “Residual chlorine levels in the water in direct crop contact (when used pre-harvest) or as water from cleaning irrigation systems applied to the soil should not exceed the maximum residual disinfectant level under the Safe Drinking Water Act (4 mg/L (4 ppm) expressed as chlorine, 0.8 mg/L (0.8 ppm) expressed as chlorine dioxide), except that chlorine products may be used in edible sprout production according to EPA label directions. May be used up to maximum labeled rates for disinfecting and sanitizing equipment or tools. No intervening event is necessary before equipment is used in contact with organic crops.”