First published by MSHA
3M is notifying their customers of the following information related to certain 3M™ Versaflo™ TR-6590N Multi-Gas/HE Cartridge in your possession or control. The TR-6590N cartridges are used with the 3M™ TR-600 and TR-800 Powered Air Purifying Respirator (PAPRs). In recent testing, 3M discovered a potential for some TR-6590N cartridges not to meet the 42 CFR Part 84.179 Silica dust loading test – PAPR Series HE Filtration requirements. This means users of the TR-6590N cartridge may potentially see a reduced particulate filter service life when using an affected cartridge in a high particulate loading environment. Please see the attached 3M advisory notice.
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