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Directory of Accredited Laboratories


CALIBRATION LABORATORIES


Dimensional


The Calibration Laboratories Accreditation Program was established in response to a request from the National Conference of Standards Laboratories (NCSL). Under the Calibration Laboratories LAP, laboratories are accredited to perform calibrations, at specified ranges and uncertainties, in one or more of the eight fields of calibration covering in excess of eighty parameters. To become accredited, laboratories must meet the requirements set forth in NIST Handbook 150, 'NVLAP Procedures and General Requirements.' NIST Handbook 150-2F, 'Calibration Laboratories Technical Guide for Dimensional Measurements,' was developed to assist laboratories in achieving accreditation by providing guidelines for good calibration laboratory practices. Click here to view NIST Handbook 150-2F.

Calibration laboratories are accredited by NVLAP for compliance with the general requirements of ISO/IEC 17025, 'General requirements for the competence of testing and calibration laboratories.' Laboratories wishing to do so may also be evaluated and recognized for compliance to ANSI/NCSL Z540-1, 'Calibration Laboratories and Measuring and Test Equipment - General Requirements', Part 1. This will require that the laboratory address those requirements of ANSI/NCSL Z540-1-1994 that are not sufficiently addressed by ISO/IEC 17025. A short checklist is provided at Supplemental Checklist for Verification of Compliance to ANSI/NCSL Z540-1-1994, Part 1.

Listed below are all laboratories accredited as of January 8, 2009, to perform calibrations in the field of Dimensional Measurements, for the specific parameters, ranges and uncertainties listed in their scope of accreditation. See NIST Handbook 150-2F for a list of the parameters available within this field.

The scopes of accreditation have been scanned and saved as PDF documents. To view the scopes for the following laboratories, you must have Adobe Acrobat Reader (tm) loaded on your computer. You may download this viewer for free on all platforms from the Adobe Acrobat web site.

If you are unable to load and use Adobe Acrobat Reader, please e-mail NVLAP at NVLAP@nist.gov, or call NVLAP at (301) 975-4016.


Return to NVLAP Program Listing

CA
PSI Standards Laboratory, Tracy, CA [200669- 0]
Southern California Edison Company, Westminster, CA [105014- 0]
State of California Metrology Laboratory, Sacramento, CA [200791- 0]
United Calibration Corporation, Huntington Beach, CA [200521- 0]
VLSI Standards, Inc., San Jose, CA [200302- 0]
GA
SWFLANT Metrology Laboratory Operated by Lockheed Martin, Kings Bay, GA [200403- 0]
IN
Indiana Division of Weights and Measures, Indianapolis, IN [200421- 0]
MA
David L. Ellis Co., Incorporated, Acton, MA [200127- 0]
Instron Calibration Laboratory, Norwood, MA [200301- 0]
MD
Maryland Department of Agriculture, Weights and Measures Sec., Annapolis, MD [200494- 0]
MI
Michigan Dept. of Agriculture, E.C. Heffron Metrology Laboratory, Williamston, MI [200408- 0]
MO
Honeywell FM&T Metrology, Kansas City, MO [200108- 0]
NC
North Carolina Standards Laboratory, Raleigh, NC [200495- 0]
NJ
Dwight Calibration & Instrument LLC, Lyndhurst, NJ [200405- 0]
NM
Sandia National Laboratories, Albuquerque, NM [105002- 0]
NY
NYS Bureau of Weights & Measures Metrology Laboratory, Albany, NY [200464- 0]
OH
State of Ohio Metrology Laboratory, Reynoldsburg, OH [200420- 0]
Webber Gage Division / L.S. Starrett Co., Cleveland, OH [200038- 0]
OK
Oklahoma Bureau of Standards, Oklahoma City, OK [200396- 0]
RI
Mahr Federal Inc., Providence, RI [200605- 0]
TN
Oak Ridge Metrology Center, Oak Ridge, TN [105000- 0]
TX
Transcat - Houston, Houston, TX [200730- 0]
WA
Strategic Weapons Fac. Pacific Cal. Lab. Oper. by Lockheed Martin, Silverdale, WA [200406- 0]
CANADA
United Testing Sys. Canada, Ltd., CONCORD ONT L4K 1K7, CANADA [200311- 0]
JAPAN
Asanuma Giken Co., Ltd., Shizuoka-ken 431-1103, JAPAN [200536- 0]


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For questions concerning the National Voluntary Laboratory Accreditation Program, contact us:

National Voluntary Laboratory Accreditation Program, Standards Services Division, NIST, 100 Bureau Drive, Stop 2140, Gaithersburg, MD 20899-2140
Phone: (301) 975-4016, Fax: (301) 926-2884, Email: NVLAP@nist.gov

Date created: July 26, 2002
Last Updated: January 8, 2009

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