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From: pzavon**At_Symbol_Here**ROCHESTER.RR.COM
Subject: Re: [DCHAS-L] Face shields ineffective at trapping aerosols, says Japanese supercomputer
Date: Thu, 24 Sep 2020 15:41:16 -0400
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: 000e01d692aa$ac051c40$040f54c0$**At_Symbol_Here**rochester.rr.com
In-Reply-To <27f00d8c-affc-58e1-fa35-393efef3bcfb**At_Symbol_Here**well.com>
Not particularly new information for those of us with some understanding of filtration and aerosols. Still, to quote and paraphrase W. S. Gilbert, "Always happy to have my opinion supported by a competent authority." But as a computer model, "Is this a competent authority?"
Peter Zavon, MS, CIH
Penfield, NY
PZAVON**At_Symbol_Here**Rochester.rr.com
-----Original Message-----
From: ACS Division of Chemical Health and Safety On Behalf Of davivid
Sent: Thursday, September 24, 2020 3:16 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: [DCHAS-L] Face shields ineffective at trapping aerosols, says Japanese supercomputer
This article just came out in The Guardian.
"Plastic face shields are almost totally ineffective at trapping respiratory aerosols, according to modelling in Japan, casting doubt on their effectiveness in preventing the spread of coronavirus."
https://www.theguardian.com/world/2020/sep/22/face-shields-ineffective-trapping-aerosols-japanese-supercomputer-coronavirus
Dave Lane
Principal
Clavis Technology Development
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