DCHAS-L Discussion List Archive
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
Another article in the press by NIOSH this week on the issue of efficacy of face masks, gators and face shields includes:
https://www.tandfonline.com/doi/abs/10.1080/02786826.2020.1862409?journalCode=uast20
Original Articles
Efficacy of face masks, neck gaiters and face shields for reducing the expulsion of simulated cough-generated aerosols
Sent from my iPad
On Dec 12, 2020, at 5:46 AM, John Callen <jbcallen**At_Symbol_Here**gmail.com> wrote:
?
ALL,
The subject study is "hot-off-the-press" and is worthy of your consideration.
This summary has PDF Link so you can read the entire report (attached below).
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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