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Staff and Technical Experts Directory

OWM Organization Chart (PDF)

 Type of Information

Contact

Telephone
Area Code (301)

Weights & Measures

Dr. Katrice Lippa, Chief 975-4004
Administrative Staff:      
Office Manager and General Inquiries barbara.cohn [at] nist.gov (Mrs. Barbara Cohn) 975-4004
Publication Coordinator Mrs. Shelby Bowers 975-3998

Training Coordinator, OWM Webmaster, and OWM Contacts System Administrator

yvonne.branden [at] nist.gov (Ms. Yvonne Branden) 975-3272

Technical Areas

Administration
History
U.S. System
Mr. Ken Butcher 975-4859
tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196

Laws & Regulations

Packaging and Labeling
Precious Metals Conversion
Price Verification
Retail and Unit Pricing Laws
Net Quantity of Contents
Mr. Ken Butcher 975-4859
david.sefcik [at] nist.gov (Mr. David Sefcik) 975-4868
Ms. Lisa Warfield 975-3308
Engine Fuel Quality & Biofuels lisa.warfield [at] nist.gov (Ms. Lisa Warfield) 975-3308
Metric Information Ms. Elizabeth Benham 975-3690
kenneth.butcher [at] nist.gov (Mr. Ken Butcher) 975-4859
OIML Packaging and Labeling (R79 & R87) Mr. Ken Butcher 975-4859
lisa.warfield [at] nist.gov (Ms. Lisa Warfield) 975-3308

International Legal Metrology Program

International Legal Metrology (OIML) charles.ehrlich [at] nist.gov (Dr. Chuck Ehrlich) 975-4834
Mr. Ralph Richter 975-3997
katya.delak [at] nist.gov (Dr. Katya Delak) 975-2520

Publications

NIST Handbook 105 Series, Specifications & Tolerances for Field Standards micheal.hicks [at] nist.gov (Dr. Micheal Hicks) 975-4615
NIST Handbook 44, Specifications, Tolerances and Other Technical Requirements for Weighing and Measuring Devices john.barton [at] nist.gov (Mr. John Barton) 975-4002
Mrs. Tina Butcher 975-2196
diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405
Mrs. Juana Williams 975-3989
NIST Handbook 130, Uniform Laws and Regulations in the Areas of Legal Metrology and Fuel Quality
 
david.sefcik [at] nist.gov (Mr. David Sefcik) 975-4868
Ms. Lisa Warfield 975-3308
NIST Handbook 133, Checking the Net Contents of Packaged Goods david.sefcik [at] nist.gov (Mr. David Sefcik) 975-4868
Ms. Lisa Warfield 975-3308

Measuring Systems

Metering Devices - General & Other tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Ms. Diane Lee 975-4405
juana.williams [at] nist.gov (Mrs. Juana Williams) 975-3989
Electric Vehicle Refueling Mrs. Tina Butcher 975-2196
juana.williams [at] nist.gov (Mrs. Juana Williams) 975-3989
Electric Watthour Type Electric Meters Mrs. Tina Butcher 975-2196
lisa.warfield [at] nist.gov (Ms. Lisa Warfield) 975-3308
Cryogenic Measuring Devices Mrs. Juana Williams 975-3989
Gas Pumps (Retail Motor Fuel Dispensers) tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Ms. Diane Lee 975-4405
juana.williams [at] nist.gov (Mrs. Juana Williams) 975-3989
Hydrogen & Compressed Gases Mrs. Juana Williams 975-3989
Liquefied Petroleum Gas (LPG) Meters tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Loading-Rack Meters Mrs. Tina Butcher 975-2196
diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405
Mrs. Juana Williams 975-3989
Mass Flow Meters tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Ms. Diane Lee 975-4405
juana.williams [at] nist.gov (Mrs. Juana Williams) 975-3989
Master Meters Mr. Val Miller 975-4004

Small Volume Provers

General Field Use diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405
Calibration, Witnessing Mr. Val Miller 975-4004
Vehicle-Tank Meters tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Ms. Diane Lee 975-4405
juana.williams [at] nist.gov (Mrs. Juana Williams) 975-3989

Weighing Systems

Weighing Devices - General Mr. John Barton 975-4002
Automatic Weighing Systems & OIML R51 kenneth.butcher [at] nist.gov (Mr. Ken Butcher) 975-4859
Belt-Conveyer Scales & OIML R50 Mr. John Barton 975-4002
Hopper Scales, Auto Bulk Weighing john.barton [at] nist.gov (Mr. John Barton) 975-4002
In-Motion Weighing-General Mr. John Barton 975-4002
OIML R134 (In-Motion Vehicle Weighing) john.barton [at] nist.gov (Mr. John Barton) 975-4002
Non-Automatic Weighing Instruments - OIML R76 Dr. Chuck Ehrlich 975-4834
Railway Track Scales & OIML R106 john.barton [at] nist.gov (Mr. John Barton) 975-4002
Uncertainties - Balances and Scales Dr. Micheal Hicks 975-4615

Other Device-Related Topics

Grain Moisture & Protein Analyzers & OIML R59 and OIML R146 diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405
Livestock Carcass Measuring Systems Ms. Diane Lee 975-4405
Multiple Dimension Measuring Devices john.barton [at] nist.gov (Mr. John Barton) 975-4002
Taximeters, Transportation Network Measuring Systems, and Odometers & OIML R21 Mr. John Barton 975-4002

Laboratory Metrology

Laboratory Technical Assistance - General isabel.chavez.baucom [at] nist.gov (Mrs. Isabel Chavez Baucom) 975-2128
Dr. Micheal Hicks 975-4615
Calibration Procedures micheal.hicks [at] nist.gov (Dr. Micheal Hicks) 975-4615
Measurement Traceability Dr. Micheal Hicks 975-4615
Proficiency Testing micheal.hicks [at] nist.gov (Dr. Micheal Hicks) 975-4615
Quality Management Systems Mrs. Isabel Chavez Baucom 975-2128
State Lab Program & Recognition isabel.chavez.baucom [at] nist.gov (Mrs. Isabel Chavez Baucom) 975-2128
Dr. Micheal Hicks 975-4615
Uncertainties micheal.hicks [at] nist.gov (Dr. Micheal Hicks) 975-4615

Training

Prepackaged Commodities, Price Verification, Package Labeling, and Laws & Regulations Training Mr. David Sefcik 975-4868
Laboratory Metrology Training isabel.chavez.baucom [at] nist.gov (Mrs. Isabel Chavez Baucom) 975-2128
Weighing, Measuring, and Other Devices Training Mrs. Tina Butcher 975-2196

National Conference on Weights & Measures (NCWM) Committees*

Executive Secretary douglas.olson [at] nist.gov (Dr. Douglas Olson) 975-2956
Laws & Regulations Committee Ms. Lisa Warfield 975-3308
Professional Development Committee tina.butcher [at] nist.gov (Mrs. Tina Butcher) 975-2196
Specifications & Tolerances Committee Mr. John Barton 975-4002
diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405

NCWM National Type Evaluation Program (NTEP) Sectors

NTEP Software Sector Dr. Katya Delak 975-2520
NTEP Grain Analyzers Sector diane.lee [at] nist.gov (Ms. Diane Lee) 975-4405
NTEP Measuring Sector Mrs. Tina Butcher 975-2196
NTEP Belt Conveyer Sector john.barton [at] nist.gov (Mr. John Barton) 975-4002
NTEP Weighing Sector Mr. John Barton 975-4002
Created May 18, 2011, Updated July 19, 2021