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Physical Measurement Laboratory

Office of Weights and Measures

OWM Staff and Technical Experts Directory

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Federal Staff | Associates & Interns | Organization Chart

NIST OWM is made up of more than 30 experts that are weights and measures coordinators, physical scientists and engineers, national and international standards experts, training and administrative professionals, and legal, laboratory and scientific metrologists.

Technical Experts Directory

Administration | Publications | Training | Metric (SI) | Laboratory Metrology | International Legal Metrology | Laws and Regulations | Measuring Systems | Weighing Systems | Small Volume Provers |  Other Measuring Devices |   NCWM Committees | NCWM NTEP Sectors
 

 Type of Information

Contact

 Phone

Email

Weights and Measures
Katrice Lippa, Chief   1-301-975-3116

katrice.lippa [at] nist.gov
General Inquiries     owm [at] nist.gov

OWM Administration
Office Manager Barbara Cohn 1-301-975-4004 barbara.cohn [at] nist.gov
Publication Coordinator Vacant    

Training Coordinator

 Yvonne Branden 1-301-975-3272 yvonne.branden [at] nist.gov
OWM Web Administrator Yvonne Branden 1-301-975-3272 yvonne.branden [at] nist.gov
OWM Contacts System Administrator Yvonne Branden 1-301-975-3272 yvonne.branden [at] nist.gov
AV Productions Coordinator Rich Montgomery 1-301-975-4002
richard.montgomery [at] nist.gov
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NIST Publications
NIST Handbook 44, Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Diane Lee 1-301-975-4405 diane.lee [at] nist.gov

NIST Handbook 130, Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality

  • Packaging and labeling,
  • Method of sale,
  • Unit pricing,
  • Fuels and Automotive Lubricants Regulation, and
  • Price verification.
 Lisa Warfield 1-301-975-3308 lisa.warfield [at] nist.govclass="spamspan"
John McGuire 1-202-981-1750 john.mcguire [at] nist.gov

NIST Handbook 133, Checking the Net Contents of Packaged Goods

  • Packaged commodities,
  • Weight,
  • Volume,
  • Count, and
  • Thickness.
 Lisa Warfield 1-301-975-3308 lisa.warfield [at] nist.govclass="spamspan"
John McGuire 1-202-981-1750 john.mcguire [at] nist.gov
David Sefcik 1-301-975-4868 david.sefcik [at] nist.govclass="spamspan"
NIST Handbook 105 Series, Specifications & Tolerances for Field Standards Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
NIST Handbook 143: State Weights and Measures Laboratories Program Handbook Micheal Hicks 1-301-975-4615

micheal.hicks [at] nist.gov
NIST SP 811: Guide for the Use of International System of Units (SI) Elizabeth Benham 1-301-975-3690 elizabeth.benham [at] nist.gov
NIST SP 330: The International System of Units (SI) Elizabeth Benham 1-301-975-3690

elizabeth.benham [at] nist.gov

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OWM Training
General Inquiries     owmtrain [at] nist.gov
Laboratory Metrology Isabel Chavez Baucom 1-301-975-2128 isabel.chavez.baucom [at] nist.gov
Laws & Regulations, Prepackaged Commodities, Price Verification, and Package  Labeling David Sefcik 1-301-975-4868 david.sefcik [at] nist.gov
John McGuire 1-202-981-1750 john.mcguire [at] nist.gov
Metric System (SI) Training and Education Outreach Elizabeth Benham 1-301-975-3690 elizabeth.benham [at] nist.gov
Weighing, Measuring, and Other Devices Training Tina Butcher 1-301-975-2196

tina.butcher [at] nist.gov
Loren Minnich 1-202-430-0435

loren.minnich [at] nist.gov

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Metric (SI)
Metric System (SI) Information Elizabeth Benham 1-301-975-3690 elizabeth.benham [at] nist.gov
Federal Agency Metric Progress Reports Elizabeth Benham 1-301-975-3690 elizabeth.benham [at] nist.gov
Unit Conversion Elizabeth Benham 1-301-975-3690 elizabeth.benham [at] nist.gov
U.S. Metrication Elizabeth Benham 1-301-975-3690

elizabeth.benham [at] nist.gov

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Laboratory Metrology
Laboratory Technical Assistance - General Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
Isabel Chavez Baucom 1-301-975-2128 isabel.chavez.baucom [at] nist.gov
Elizabeth Koncki 1-301-975-4859 elizabeth.koncki [at] nist.gov
Calibration Procedures Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
Measurement Traceability Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
Proficiency Testing Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
Quality Management Systems Isabel Chavez Baucom 1-301-975-2128 isabel.chavez.baucom [at] nist.gov
State Lab Program and Recognition Micheal Hicks 1-301-975-4615 micheal.hicks [at] nist.gov
Isabel Chavez Baucom 1-301-975-2128 isabel.chavez.baucom [at] nist.gov
Elizabeth Koncki 1-301-975-4859 elizabeth.koncki [at] nist.gov
Uncertainties Micheal Hicks 1-301-975-4615

micheal.hicks [at] nist.gov

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International Legal Metrology
International Legal Metrology (OIML) Chuck Ehrlich 1-301-975-4834 charles.ehrlich [at] nist.gov
Ralph Richter 1-301-975-3997 ralph.richter [at] nist.gov
Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Katya Delak 1-301-975-2520

katya.delak [at] nist.gov

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Laws and Regulations
OIML Packaging and Labeling (R79 & R87) David Sefcik 1-301-975-4868 david.sefcik [at] nist.gov
Lisa Warfield 1-301-975-3308 lisa.warfield [at] nist.gov
John McGuire 1-202-981-1750

john.mcguire [at] nist.gov

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Measuring Systems
Metering Devices - General Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Electric Vehicle Refueling Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Electric Watthour Type Electric Meters Lisa Warfield 1-301-975-3308 lisa.warfield [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Cryogenic Measuring Devices Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Retail Motor Fuel Dispensers (Gas Pumps) Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Hydrogen & Compressed Gases Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Liquefied Petroleum Gas (LPG) Meters John McGuire 1-202-981-1750 john.mcguire [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Loading-Rack Meters John McGuire 1-202-981-1750 john.mcguire [at] nist.gov
Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Juana Williams 1-301-975-3989 juana.williams [at] nist.gov
Mass Flow Meters Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Field Reference Meters Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Jan Konijnenburg  

jan.konijnenburg [at] nist.gov

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Weighing Systems
Weighing Devices - General Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Automatic Weighing Systems & OIML R51 Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Belt-Conveyer Scales & OIML R50 Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Hopper Scales, Auto Bulk Weighing Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Vehicle In-Motion (VIM) Weighing & OIML R134 Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Non-Automatic Weighing Instruments (NAWIs) & OIML R76 Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Railway Track Scales & OIML R106 Jan Konijnenburg   jan.konijnenburg [at] nist.gov
Uncertainties - Balances and Scales Micheal Hicks 1-301-975-4615

micheal.hicks [at] nist.gov

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Small Volume Provers
General Field Use Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Calibration, Witnessing Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Vehicle-Tank Meters Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Juana Williams 1-301-975-3989

juana.williams [at] nist.gov

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Other Measuring Devices
Grain Moisture & OIML R59; 
Protein Analyzers & OIML R146		 Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Livestock Carcass Measuring Systems Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
Multiple Dimension Measuring Devices (MDMD) Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
Taximeters, Transportation Network Measuring Systems, and Odometers & OIML R21 Juana Williams 1-301-975-3989

juana.williams [at] nist.gov

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National Conference on Weights & Measures (NCWM) Committees*
Executive Secretary Katrice Lippa 1-301-975-3116 katrice.lippa [at] nist.gov
Laws & Regulations Committee John McGuire 1-202-981-1750 john.mcguire [at] nist.gov
Lisa Warfield 1-301-975-3308 lisa.warfield [at] nist.gov
Professional Development Committee Tina Butcher 1-301-975-2196 tina.butcher [at] nist.gov
Specifications & Tolerances Committee
Loren Minnich 1-202-430-0435

loren.minnich [at] nist.gov
Juana Williams 1-301-975-3989

juana.williams [at] nist.gov

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NCWM National Type Evaluation Program (NTEP) Sectors
NTEP Software Sector Jan Konijnenburg   jan.konijnenburg [at] nist.gov
NTEP Grain Analyzers Sector Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
NTEP Measuring Sector Diane Lee 1-301-975-4405 diane.lee [at] nist.gov
NTEP Belt Conveyer/Weighing Sector Jan Konijnenburg   jan.konijnenburg [at] nist.gov
NTEP Multiple Weighing Dimension Measuring Device Loren Minnich 1-202-430-0435 loren.minnich [at] nist.gov
NTEP EVSE Workgroup Juana Williams 1-301-975-3989 juana.williams [at] nist.gov

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Metrology, Metric and Weights and measures

Contacts

Created March 10, 2023, Updated August 3, 2023