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David Sefcik (Fed)

News

Publications

2022 NCWM-NIST National Survey on 20 lb LPG (Propane) Cylinders

Author(s)
David Sefcik, Katrice Lippa, N. Alan Heckert, Stephen Benjamin, Ivan Hankins, Don Onwiler
The National Conference on Weights and Measures (NCWM) in partnership and cooperation with the NIST Office of Weights and Measures (OWM) and the Weights and

Report of the 105th & 106th National Conference on Weights and Measures

Author(s)
Shelby Bowers, Yvonne Branden, Tina G. Butcher, Richard A. Harshman, Gloria Diane Lee, David Sefcik, Lisa Warfield
The 105th Annual Meeting of the National Conference on Weights and Measures (NCWM) was held virtually July 12 - 16, 2020. The 106th Annual Meeting of the
Created October 9, 2019, Updated December 8, 2022