A comprehensive guide to mandatory and voluntary standards activities in the U.S. at the national level -- both governmental and non-governmental (trade associations, technical and professional societies). Excludes proprietary (company standards) and state and local levels of Government. Includes standards distributors, libraries, and information centers and union list of standards repositories by regional areas. Includes over 750 current descriptive commentaries. Subject index, acronyms and initials, and much more.