AOAC INTERNATIONAL, founded in 1884, is an independent, third-party, nongovernment association of international industry organizations, government agencies, research institutions, and individual scientists. AOAC is a leader in delivering international voluntary consensus standards, Official Methods of Analysis (OMA), Performance Tested MethodSM (PTM) certification, laboratory proficiency testing programs, laboratory accreditation criteria, and scientific information and opportunities. AOAC methods are used globally to promote trade and to facilitate public health and public safety. The OMA Online provides fast and easy access to AOAC's Official MethodsSM.