We were first accredited by the Association for Assessment and Accreditation of Laboratory Animal Care (AAALAC International) in1980, and have maintained that accreditation to date. We were certified by the Japanese Ministry of Agriculture, Forestry and Fisheries (MAFF) in 1992. In addition, key members of our staff are members of the Society of Quality Assurance, the Chemical Producers and Distributors Association, the Society of Environmental Toxicology and Chemistry, and the Society of Toxicology.