REGULATORY APPROVALS FOR PRODUCTS MTI’s products are strictly monitored for compliance to regulatory requirements, such as those of the U.S. Food and Drug Administration (FDA), the Toxic Substances Control Act (TSCA), United States Pharmacopeia (USP), European Pharmacopeia (EP), Japanese Pharmacopeia (JP), Clean Water Act, California Proposition European Directives, Food Chemical Codex, CONEG Model Legislation (Heavy Metals), Chemical Inventory Lists, and NAFTA.