We want to hear from you. Persist Third Party Validation OMRI Listed® for use in certified organic operations under the USDA National Organic Program Certified by the USDA as an all-natural, 100% biobased product (BioPreferred® program) Approved by CDFA for Organic Crop and Food Production (OIM) Certified carbon negative by Puro.Earth, the world’s leading carbon crediting program info@vgridenergy.com+1 (805) 482-9040513 Calle San Pablo, Camarillo, CA 93012 Persist® premium biochar, Karrikaid®, and PAF liquid plant enhancer are manufactured by VGrid, a California-based biomass energy producer