Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

2019 Distinguished Associate Award - Mark Ruefenacht

For his excellence in metrology instruction for over 10 years, 40+ seminars, and 500+ participants; for leading metrology integration in forensic and medical applications.


Created June 19, 2020, Updated June 22, 2020