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Directorate of Science, Technology and Medicine (DSTM) |
| Nationally Recognized Testing Laboratories (NRTLs) |
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In Focus |
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Welcome to the Nationally Recognized Testing Laboratory (NRTL) Program, which is a part of OSHA’s Directorate of Science, Technology, and Medicine. The Program recognizes private sector organizations as NRTLs, and recognition signifies that an organization has met the necessary qualifications specified in the regulations for the Program. The NRTL determines that specific equipment and materials ("products") meet consensus-based standards of safety to provide the assurance, required by OSHA, that these products are safe for use in the U.S. workplace.
For purposes of meeting the NRTL product-approval requirements in OSHA standards, e.g., those under Subpart S of 29 CFR Part 1910, OSHA only accepts equipment or products approved by one of the NRTLs listed below. See the OSHA web pages for information on each NRTL's scope of recognition, or contact OSHA or the NRTL for additional information.
Organizations Currently Recognized By OSHA as NRTLs:
- Applied Research Laboratories, Inc. (ARL)
- Canadian Standards Association (CSA)
(also known as CSA International)
- Communication Certification Laboratory, Inc. (CCL)
- Curtis-Straus LLC (CSL)
 Electrical Reliability Services, Inc. (ERS)
(also known as eti Conformity Services and formerly Electro-Test, Inc. (ETI))- Entela, Inc. (ENT)
- FM Global Technologies LLC (FM)
(also known as FM Approvals and formerly Factory Mutual Research Corporation)
- Intertek Testing Services NA, Inc. (ITSNA)
(formerly ETL)
- MET Laboratories, Inc. (MET)
- NSF International (NSF)
- National Technical Systems, Inc. (NTS)
- SGS U.S. Testing Company, Inc. (SGSUS)
(formerly UST-CA)
- Southwest Research Institute (SWRI)
- TUV America, Inc. (TUVAM)
- TUV Product Services GmbH (TUVPSG)
- TUV Rheinland of North America, Inc. (TUV)
- Underwriters Laboratories Inc. (UL)
- Wyle Laboratories, Inc. (WL)
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Click on the NRTL name shown above to view its scope of recognition (the list of standards, sites, and programs that OSHA has recognized for the NRTL). See March 9, 1995, Federal Register notice for more detailed information about the programs that an NRTL may use. Also see the FAQs.
Options:
More Options:
If you need further information regarding the NRTL Program, please call (202) 693-2110, and ask to speak to the staff of the Program. Also, you can send an email to NRTL Program.
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