AccuStandard manufactures the widest line of organic, inorganic and petroleum certified chemical reference standards. AccuStandard is ISO 9001 Certified & ISO 17025 accredited. The 35,000+ standards available covering EPA, ASTM and European methods include: • QA/QC Standards, Dioxins, PCBs, PBDEs, PAHs, Pesticides & Metabolites, AccuStandard is the only manufacturer to ...