From: Jack Reidy <jreidy2**At_Symbol_Here**STANFORD.EDU>
Subject: [DCHAS-L] Face masks and solvents
Date: Thu, 25 Jun 2020 22:37:27 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: BYAPR02MB56868A884CFA7CFFC4A4BFA28C920**At_Symbol_Here**BYAPR02MB5686.namprd02.prod.outlook.com


All,

 

I could have sworn this had come up already but after browsing through every DCHAS email since March 1st I couldn’t find an answer. We have received several questions from labs about the risk of solvent vapors being “trapped” in cloth face masks. Some seem to be concerned that they will just be trapped in the breathing space, others are worried that they’ll “stick” to the masks and desorb later. Here’s what I’ve been thinking so far:

 

 

To be clear, not wearing a face covering is not an option. This isn’t in our hands, our county government has mandated it and, to my understanding, is uninterested in making exceptions. Thanks in advance for the help/advice.

 

Sincerely,

 

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

 

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