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Subject: Re: [DCHAS-L] Exxtremely Cool Visual (not simulation) of Exhalation Streams

Date: Dec 12, 2020 12:32 UTC

Author: Margaret Rakas <mrakas**At_Symbol_Here**SMITH.EDU>

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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: Dec 12, 2020 12:50 UTC

Author: Ray Cook <raycook**At_Symbol_Here**APEXHSE.COM>

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From: Doug Cody <dsc1950**At_Symbol_Here**GMAIL.COM>

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: Dec 12, 2020 12:36 UTC

Reply-To: ACS Division of Chemical Health and Safety

In-Reply-To: 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

Demystify: 

Thanks Monona fir not sleeping and doing this synopsis. Your conclusions are well thought out and I believe prove that in a pinch these FFRs can be used to a great degree of success when they need to be used. 

Doug Cody, CSP, CSHM
Farmingdale State

Sent from my iPhone

On Dec 12, 2020, at 7:25 AM, Glover, Sam (glovers) <glovers**At_Symbol_Here**ucmail.uc.edu> wrote:

=EF=BB=BF
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

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