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Directory of Accredited Laboratories


Acoustical Testing Services


Accreditation is available for selected test methods in the areas of sound absorption, impedance, attenuation, vibration, power levels, emitted sound and hearing protection, among others. This accreditation program is designed to satisfy the requirements of contractors, state and local governments, and federal agencies specifying accreditation for laboratories that perform testing for compliance to acoustical design specifications and performance testing of acoustical materials and noise protection devices.

The present test methods for which a laboratory may seek accreditation are listed in NIST Handbook 150-8. Other test methods may be added to the program upon request, if they are found to be appropriate by NVLAP


Listed below are all laboratories accredited within this program as of January 30, 2009. For additional information, contact NVLAP at (301) 975-4016.

Send E-Mail to NVLAP at: NVLAP@nist.gov

Return to NVLAP Program Listing

CA
Howard Leight Acoustical Testing Laboratory, San Diego, CA [200475- 0]
Western Electro-Acoustic Lab., a div. of Veneklasen Assoc., Inc., Santa Clarita, CA [100256- 0]
CO
Johns Manville Technical Center, Littleton, CO [100425- 0]
FL
Certainteed Gypsum, Inc., Clearwater, FL [200520- 0]
IL
Alion Science and Technology / Riverbank Acoustical Laboratories, Geneva, IL [100227- 0]
USG Corporate Innovation Center- Construction Systems Laboratory, Libertyville, IL [200132- 0]
IN
Aearo Technologies, E-A-RCAL Acoustical Laboratory, Indianapolis, IN [100374- 0]
MI
Steelcase Acoustical Test Laboratory, Grand Rapids, MI [200576- 0]
MN
Orfield Laboratories, Inc., Minneapolis, MN [200248- 0]
Stork Twin City Testing Corporation, St. Paul, MN [200046- 0]
MO
Ruskin, Grandview, MO [200764- 0]
NY
IBM Hudson Valley Acoustics Laboratory, Poughkeepsie, NY [100323- 0]
Industrial Acoustics Company, Inc., Aero-Acoustics Laboratory, Bronx, NY [100404- 0]
Intertek Testing Services NA Inc., Cortland, NY [100402- 0]
NGC Testing Services, Buffalo, NY [200291- 0]
OH
Owens Corning Acoustic & Insulation Product Testing Laboratories, Granville, OH [100109- 0]
United McGill Airflow and Acoustical Testing Laboratory, Westerville, OH [200463- 0]
PA
Armstrong Acoustic Labs, Armstrong World Ind., Inc. Innov. Center, Lancaster, PA [100228- 0]
Michael & Associates, State College, PA [100427- 0]
NIOSH Pittsburgh Research Laboratory, Pittsburgh, PA [200716- 0]
TX
Dell Regulatory Test Laboratories, Round Rock, TX [200052- 0]
ETS- Lindgren Acoustic Research Laboratory, Cedar Park, TX [100286- 0]
Houston Acoustics Laboratory - Hewlett Packard Company, Houston, TX [200694- 0]
WI
Hufcor Acoustical Laboratory, Janesville, WI [100239- 0]
CANADA
Vibro-Acoustics Laboratory, Scarborough ON M1X 1A2, CANADA [100424- 0]
JAPAN
KONICA MINOLTA BUSINESS TECHNOLOGIES,INC.Mizuho Acoustic Test Lab, Toyokawa-shi, Aichi, 442-8503, JAPAN [500023- 0]
Ricoh Company LTD. Environmental Safety Center, Tokyo 143-8555, JAPAN [200345- 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 30, 2009

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