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David Sefcik (Fed)

Program Leader, National Legal Metrology, NIST Office of Weights and Measures

David Sefcik serves as national and international expert to industry and government on package and labeling regulations, checking the net content of packaged goods, method of sale of commodities, Weights and Measures laws and regulations, price verification test procedures, and unit pricing regulations. He is an editor of NIST Handbook 130 “Uniform Laws and Regulations in the area of legal metrology” and NIST Handbook 133 “Checking the Net Contents of Packaged Goods”.  He is also the lead instructor and trainer for the states in the application of these laws, regulations, and test procedures.

David investigates complex regulatory issues based on expert knowledge of retail marketing practices, federal and state regulations, and commercial practices.  He is an active member in the National Conference on Weights and Measures (NCWM) and its various committees and workgroups (Laws and Regulations, Packaging and Labeling, Fuels and Lubricants, and Moisture Loss), and has been a leader in the development of national standards in legal metrology as published in the NIST Handbooks.  David has also been a Chair for various NIST working groups in partnership with representatives from states, industry, trade associations and Federal agencies, which included sectors related to verifying the net contents of ice glazed seafood, the method of sale for meat, poultry, seafood, and fish sold in service departments, the method of sale for aerosols and similar pressurized containers, and the development of a best practice guide for unit pricing.

David also brings over 20 years of management experience in the grocery industry to NIST OWM where he played many roles in ensuring company compliance with weights and measures laws and regulations. Responsibilities ranged from store management, industrial engineering, information systems field support, overseeing pricing and scanning accuracy and integrity, supply chain management and emerging technologies, to developing a company-wide weights and measures program and overseeing compliance at the regional and store level with Federal, state, and county laws and regulations.

Current Professional Activities

  • National Conference on Weights and Measures (NCWM), Laws and Regulations Committee
  • National Conference on Weights and Measures (NCWM), Packaging and Labeling Subcommittee
  • National Conference on Weights and Measures (NCWM), Fuels and Lubricants Subcommittee

Professional and Special Affiliations

  • Co-Chair
    • Uniform Code Council (UCC-GS1), Reduced Space Symbology Workgroup
    • Magazine Publishers, Retail Advisory Council, Logistics Task Force on Scan Based Trading 
    • Joint Industry (FMI/GMA) Coupon Committee
    • Uniform Code Council GS1 Coupon Re-Engineering Workgroup
  • Member
    • UCC Global Standards Maintenance Process and Physical Technical Requirements Group
    • UCC Shipping Container, Marking, and Labeling Committee
    • Food Marketing Institute and UCC Quality Work Groups
    • National Conference on Weights and Measures
    • New Jersey Retail Food Council
    • International Produce Electronic Identification Board
    • Produce Marketing Association E-Commerce Committee
    • Ahold Radio Frequency identification (RFID) Steering Committee




2024 National Price Verification Survey

NIST Office of Weights and Measures (OWM) is collaborating with the National Conference on Weights and Measures (NCWM), together with 28 state and 38 local


2022 NIST Summary of U.S. Legal Metrology Activities

Lisa Warfield, Tina G. Butcher, Richard A. Harshman, Jan Konijnenburg, Gloria Diane Lee, David Sefcik, Juana Williams, Katrice Lippa
The NIST Office of Weights and Measures (OWM) presents its first report 2022 NIST Annual Summary of U.S. Legal Metrology Activities report. This report includes

Checking the Net Contents of Packaged Goods

Tina G. Butcher, David Sefcik, Lisa Warfield, Elizabeth Benham, Shelby Bowers, Katrice Lippa
This handbook has been prepared as a procedural guide for the compliance testing of net content statements on packaged goods. Compliance testing of packaged

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

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
Created October 9, 2019, Updated August 30, 2023