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TSI’s PortaCount Respirator Fit Testers Compatible With New OSHA Modified CNC Protocols

SHOREVIEW, Minn., Sept. 28, 2019 /PRNewswire/ — OSHA has accepted two newly Modified Ambient Aerosol Condensation Nuclei Counter (CNC) Quantitative Respirator Fit Test Protocols. The new protocols go into effect on September 26, 2019. The Modified CNC protocols reduce the time needed to…