NIOSH’s Research on Respirator Fit

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NIOSH has obtained ISO/IEC 17025 accreditation for 12 test methods associated with air-purifying respirator testing. This is the first step toward complete ISO/IEC 17025 accreditation of the NIOSH respirator approval test procedures.

ISO/IEC 17025 enables laboratories to demonstrate that they operate competently and generate valid results, thereby promoting confidence in their work both nationally and around the world.

It also helps facilitate cooperation between laboratories and other bodies by generating wider acceptance of results between countries. Test reports and certificates can be accepted from one country to another without the need for further testing, which, in turn, improves international trade.

The video highlights a NIOSH research project investigating new methods for the evaluation of respirator fit in real time using an infrared camera and ultrasound technology.