From: "Glover, Sam (glovers)" <glovers**At_Symbol_Here**UCMAIL.UC.EDU>
Subject: Re: [DCHAS-L] NIOSH Technical Report P/N 2021-107: Filtering Facepiece Respirators with an Exhalation Valve: Measurements of Filtration Efficiency to Evaluate Their Potential for Source Control
Date: Sat, 12 Dec 2020 11:03:03 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: 0C5CDE0E-6B93-4E8C-878B-080EB1B0533A**At_Symbol_Here**ucmail.uc.edu
In-Reply-To
Demystify:
Another article in the press by NIOSH this week on the issue of efficacy of face masks, gators and face shields includes:
The Bottom Line : "These finds have important implications for guidance on source control and mitigation."
It maybe possible that this will open up a blocked avenue of RPE.
After review, I certainly welcome your comments.
Be Safe and Stay Healthy!
All My Best and Happy Holidays,
John B. Callen, Ph.D.
3M Personal Safety Division - Retired
ACS/DCHAS Founding Member
(312) 632-0195
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