An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
NOTE: We are currently in the process of converting all our reports to ensure that they are 508 compliant. Currently some reports are unavailable. If you need one that is not linked above, please contact: %20cftt [at] nist.gov