WASHINGTON, DC – The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) today issued a final rule that provides employers with two new fit testing protocols for ensuring that employees’ respirators fit properly.

The new protocols are the modified ambient aerosol condensation nuclei counter (CNC) quantitative fit testing protocol for full-facepiece and half-mask elastomeric respirators, and the modified ambient aerosol CNC quantitative fit testing protocol for filtering facepiece respirators.  Both protocols are variations of the original OSHA-approved ambient aerosol CNC protocol, but have fewer test exercises, shorter exercise duration, and a more streamlined sampling sequence.

These two quantitative methods add to the four existing in Appendix A of OSHA’s Respiratory Protection Standard, which contains mandatory respirator fit-testing protocols that employers must choose from to protect employees from hazardous airborne contaminants. The rule does not require employers in general industries, shipyard employment, and construction to update or replace their current fit testing methods, and does not impose additional costs.

The rule becomes effective September 26, 2019.

Let CTI handle your quantitative or qualitative fit testing needs for you to help you stay in-compliance with current respirator regulations.  Still uncertain whether you can continue a “voluntary respirator program” or must have a mandatory Written Respirator Program? See CTI’s blog article to know the difference.

Published by Glenn Miller

Senior Compliance Manager Mr. Miller provides a broad range of consulting services to CTI’s clients based on over 30 years of experience in the chemical industry. Along with helping to coordinate CTI’s diverse consulting projects and assisting in CTI’s marketing efforts, he specializes in HazCom programs, dangerous goods handling and labeling (GHS, HMIS and NFPA), transportation compliance (DOT/IATA and IMDG), site audits, global regulatory compliance (REACH, TSCA), Process Safety Management, and training. You may direct questions to our Senior Compliance Manager, Glenn Miller, at 216.341.1800, ext. 14

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