Standards

http://nist.gov/

NIST, an agency of the U.S. Department of Commerce's Technology Administration, NIST's primary mission is to work with industry to develop and apply technology, measurements, and standards to improve product quality, ensure product reliability, modernize manufacturing processes and facilitate rapid commercialization...

http://standards.ieee.org/

IEEE Standards is a world leader in the development and dissemination of voluntary, consensus-based industry standards involving today's leading-edge electro-technology...