"3M Scott Fire & Safety posted a notice to make 3M Scott cylinder and valve assembly users aware of a small number of cylinder valves experiencing noticeable rates of leakage when the valve handwheel is opened.
See the user notice dated December 2023 for more information. It can be found on the NIOSH Respirator User Notices Issued by Manufacturers webpage under the 3M Scott Fire & Safety section."
(Shared from yesterday's CDC NIOSH email update.)
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