Steve
From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU]
On Behalf Of Monona Rossol
Sent: Tuesday, May 5, 2020 9:53 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] [EXTERNAL] [DCHAS-L] Wearing cloth mask in the lab
Of course they don't stop the aerosol. Can't imagine anyone with brains would think a piece of cloth could do this. If it could, we could dump NIOSH certification
and buy babushkas. Instead, the DIY masks:
1) reduce exposure of others round you to the big stuff you generate.
2) keep most of the big droplets from landing on surfaces to contaminate others,
3) help remind you, or even prevent you, from touching your nose and mouth,
4) provide a feeling you and those around you are at least doing something, and
5) remind you to stay the hell away from others by 6 feet or more.
The countries that wear masks do better in the numbers game. And it is not from the efficacy of the mask to capture the aerosol.
Monona
-----Original Message-----
From: Frazier, Alicia S <ASFrazier**At_Symbol_Here**MARATHONPETROLEUM.COM>
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Sent: Tue, May 5, 2020 11:42 am
Subject: Re: [DCHAS-L] [EXTERNAL] [DCHAS-L] Wearing cloth mask in the lab
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
on behalf of Yamaira Gonzalez <000003a8c5269e98-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Sent: Monday, May 4, 2020 8:31:32 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Subject: [EXTERNAL] [DCHAS-L] Wearing cloth mask in the lab
Good morning,
What is the latest about wearing cloth mask while doing lab work? Does anyone know of a good article? Pros and cons.
Regards, yamy
On Fri, Apr 24, 2020 at 9:27 AM, Stuart, Ralph
> In fact, just compiling a list of coronavirus-related issues that should be addressed would be valuable.
>
I'll throw one in: An issue I am concerned about in regard to reopening any public area is the cloth mask protocol. Cloth masks are community health measures rather than personal safety measures, so I would be reluctant to impose OSHA style expectations on the use of cloth masks by the public. On the other hand, I can imagine that these masks are likely to become reservoirs for many contaminants beyond the Covid virus.
I think that we face a major challenge in maintaining the quality of the cloth masks if we ask people to wear them in public areas while relying on the wearers to maintain them. I suspect that professional laundry services will be required to assure co-workers and the community that the masks are being appropriately cleaned.
A related question is: Are labs public areas? Few academic labs I have seen have security protocols that control who enters them and it will take a significant change in both protocol and culture in change this situation.
Thanks for asking an interesting question.
- Ralph
Ralph Stuart, CIH, CCHO
Environmental Safety Manager
Keene State College
603 358-2859
ralph.stuart**At_Symbol_Here**keene.edu
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