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Stork Twin City Testing Corporation

NVLAP Lab Code: 200046-0

Address and Contact Information:

662 Cromwell Avenue
St. Paul, MN 55114-1776
Contact: Ms. Amy Ostergren
Phone: 651-659-7303
Fax: 651-659-7503
E-Mail: amy.ostergren@stork.com
Send E-Mail to Laboratory: Stork Twin City Testing Corporation
URL: http://www.storksmt.com/tct

NVLAP Accreditation Information

Listed below is the scope of accreditation for this laboratory as of November 1, 2009. For additional information, contact NVLAP at (301) 975-4016.

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

Acoustical Testing Services

Accreditation Valid From: April 1, 2009 Through: March 31, 2010

[08/P03] ASTM C423
Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

[08/P06] ASTM E90
Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions

[08/P10] ANSI S12.31
Determination of Sound Power Levels of Broad-Band Noise Sources in Reverberation Rooms

[08/P11] ISO 3744
Determination of Sound Power Levels of Noise Sources - Engineering Methods for Free-Field Conditions Over a Reflecting Plane

[08/P30] ASTM E1408
Laboratory Measurement of the Sound Transmission Loss of Door Panels and Door Systems

[08/P31] ASTM E336
Measurement of Airborne Sound Insulation in Buildings

[08/P32] ASTM E1007
Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures

[08/P37] ASTM E966
Guide for Field Measurement of Airborne Sound Insulation of Building Facades and Facade Elements

[08/P43] ASTM E1425
Standard Practice for Determining the Acoustical Performance of Exterior Windows and Doors

[08/P45] ISO 140, Part 3
Laboratory Measurement of Airborne Sound Insulation of Building Elements

[08/P46] ISO 3741
Determination of Sound Power Levels of Noise Sources - Precision Methods for Broad-Band Sources in Reverberation Rooms

[08/P52] ISO 3822
Laboratory Tests on Noise Emission from Appliance and Equipment Used in Water Supply Installations

[08/P54] SAE J1400
Laboratory Measurement of the Airborne Sound Barrier Performance of Automotive Materials and Assemblies

[08/P61] AAMA 1801
Acoustical Rating of Windows, Doors and Glazed Wall Sections

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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: November 1, 2009

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