AMS USDA Quality Standards

Federal Alcohol Administration Permits (Alcohol, Tobacco, Firearms, and Explosives, U.S. Department of Justice)

U.S. Code of Federal Regulations (GPO)

FDA Center for Food Safety and Applied Nutrition
— Pesticides and Veterinary Medicine (add link & description)

FDA Center for Veterinary Medicine  

Information on Maximum Residue Levels (MRLs) 

Standards.Gov: offers background materials and useful links for locating information about the use of standards in government. Its primary focus is on federal agency use of standards for regulatory and procurement purposes. (NIST)

Environmental Protection Agency (EPA) Prevention Pesticides and Toxic Substances