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DCHAS-L Discussion List Archive

From: Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] An interesting mask video
Date: Fri, 31 Jul 2020 15:37:58 +0000
Reply-To: Monona Rossol <actsnyc**At_Symbol_Here**CS.COM>
Message-ID: 1117554874.8423065.1596209878704**At_Symbol_Here**mail.yahoo.com
In-Reply-To


VOCs  don't build up behind the mask, but your own bad breath is hazard enough since it only contains about 16% oxygen and over 40,000 ppm CO2.  That qualifies it as a hazardous atmosphere.

Monona


-----Original Message-----
From: Tyrell Towle <tyrelltowle**At_Symbol_Here**GMAIL.COM>
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Fri, Jul 31, 2020 11:07 am
Subject: Re: [DCHAS-L] An interesting mask video

What did we learn from the video? My take-away is that VOCs do indeed build up behind masks, which is a concern that has been expressed before. This demonstration has nothing to do with the dynamics of how coronavirus might be contained behind a mask or spread without one. This demonstration reminds me of the demonstrations that Dr. Oz performs on his show - demonstrations that have nothing to do with the phenomenon being described except to provide a visual. "Look at how the fat melts away!"  (it was some kind of water soluble starch or something being doused with water....).

-Tyrell

On Thu, Jul 30, 2020 at 10:53 AM Nicole Thomas <thoma519**At_Symbol_Here**purdue.edu> wrote:
Thanks for sending the video. It was great! It was humorous and educational..

Kind Regards,
Nicole C. Thomas

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Melinda Box <melinda.box**At_Symbol_Here**GMAIL.COM>
Sent: Thursday, July 30, 2020 10:50:46 AM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: Re: [DCHAS-L] An interesting mask video
 
I think this will be a huge help in communicating with those who might dig their heels in.

Thanks!

On Thu, Jul 30, 2020 at 11:33 AM Jack Reidy <jreidy2**At_Symbol_Here**stanford.edu> wrote:
It certainly does make a point! I was a bit curious about the video creator, especially given his "see you in a couple years" sign off and the response in some of the video comments. Turns out he came out of "retirement" to make this after not posting a video since September 2017.
 
Jack Reidy (he/him)
Research Safety Specialist, Assistant Chemical Hygiene Officer
Environmental Health & Safety
Stanford University
484 Oak Road, Stanford, CA, 94305
Tel: (650) 497-7614
 
 
 
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Monona Rossol
Sent: Wednesday, July 29, 2020 1:52 PM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] An interesting mask video
 
Just my kind of video.  Thanks a lot of fun.  Thank gosh it was done outside.  Not a demo for the faint of heart.
 
Monona

-----Original Message-----
From: davivid <davivid**At_Symbol_Here**WELL.COM>
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Wed, Jul 29, 2020 4:00 pm
Subject: [DCHAS-L] An interesting mask video
I just ran across a mask effectiveness video you may find interesting.
It's not one of those lab coat/goggles professional type ones. This one
is aimed at a more blue collar audience and definitely gets the point
across.
 
It's not something you would do for a class demo. See how many safety
issues you can find.
 
 
Cheers!
 
Dave Lane
Principal
Clavis Technology Development
 
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