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Previous by Date: Subject: Re: [DCHAS-L] cloth face masks Date: Thursday, June 4, 2020 at 8:06:23 PM Author: Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> |
Next by Date: Subject: [DCHAS-L] Chemical Safety headlines (12 articles) Date: Fri, 5 Jun 2020 07:50:06 -0400 Author: DCHAS Membership Chair |
We plan to wear disposable masks during lab. Does anyone see a problem with this?
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--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchasYup. That's the "pardon me for coughing in your face" study. I got it. Take a look at the drawiings. A simulated cough goes directly toward the front of the shield, and OF COURSE, only a few percent of the droplets get around the shield. Good, one down and 359 other directions someone could cough at you and the numbers would be very different. And it doesn't count at ALL for the aerosol that would now be suspended in the air and floating all over.
Moona
-----Original Message-----
From: Jeffrey Lewin <jclewin**At_Symbol_Here**MTU.EDU>
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Sent: Thu, Jun 4, 2020 3:32 pm
Subject: Re: [DCHAS-L] cloth face masks
Debbie,
This has been posted to other forums.
Jeff
Moving Personal Protective Equipment Into the Community
Face Shields and Containment of COVID-19
On Thu, Jun 4, 2020 at 3:21 PM Debbie M. Decker <00001204b93f9a5e-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:
--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchasBulwark is marketing an FR face covering. They are expensive and expected to be washed by the wearer. I'm not recommending FR face coverings, any more than I recommend an FR head covering for those who wear a head covering for religious or cultural reasons.I am, though, recommending natural fibers as much as possible which is similar to guidance for proper lab attire, under a lab coat. Personally, I'm wearing a two layer face covering, made from close-woven cotton fabric. Easily laundered and comfortable to wear all day, if need be. Managing fogged up safety eyewear is another conversation.I've heard some chatter about substituting a face shield - either a medical/animal care style or an impact-resistant face shield - for a cloth face covering. Thoughts on that option? I haven't seen research on effectiveness, just some anecdotes.My $0.02. Your mileage may vary.Debbie M. Decker, CCHO, ACS FellowPast Chair, Division of Chemical Health and SafetyCouncilor and Programming Co-ChairUniversity of California, Davis(530)754-7964(530)304-6728Birkett's hypothesis: "Any chemical reactionthat proceeds smoothly under normal conditions,can proceed violently in the presence of an idiot."From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU> On Behalf Of Patricia Redden
Sent: Thursday, June 4, 2020 11:13 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] cloth face masksCDC is recommending the use of cloth face mask in academic institutions, but the question is what is the best fabric for them. Lab coats in academic labs are supposed to be chemical- and fire-resistant. Does this apply to face masks as well? If so, is there a source for them?Patricia Redden, Ph.D.Professor, Chemistry DepartmentFellow, American Chemical SocietyFellow, ACS Division of Chemical Health and SafetySAINT PETER'S UNIVERSITYThe Jesuit University of New Jersey2641 John F. Kennedy BoulevardJersey City, New Jersey 07306p: (201)761-6440f: (201)761-6431Named #1 in the nation for transformation in 2018 by the American Council on Education/Fidelity Investments--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchas
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--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchasJeff LewinDirector of Chemical Laboratory OperationsResearch Integrity OfficeLaboratory Operations207 Advanced Technology Development Complex (ATDC)
Michigan Technological University
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