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.
as adopted by the 91st National Conference on Weights and Measures 2006
Summary of Handbook 44 Effective Dates for 2007 DOC | PDF
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