From: Jack Reidy <jreidy2**At_Symbol_Here**STANFORD.EDU>
Subject: Re: [DCHAS-L] N-95 disinfection and reuse
Date: Mon, 30 Mar 2020 16:11:54 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: BYAPR02MB568668E248EE741323C7E8978CCB0**At_Symbol_Here**BYAPR02MB5686.namprd02.prod.outlook.com
In-Reply-To


All,

 

As a side note, if you saw the original version of the Stanford item, they have since expanded on it significantly, including adding many disclaimers. https://stanfordmedicine.app.box.com/v/covid19-PPE-1-1

 

Sincerely,

 

Jack Reidy (he/him)

Research Safety Specialist

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 Reinhardt, Peter
Sent: Friday, March 27, 2020 12:48 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] N-95 disinfection and reuse

 

Colleagues,

 

On 25 March the Stanford School of Medicine published a nice Q&A on the shortage of face masks and N-95 respirators. See file:///Users/pareinhardt/Downloads/mask-ppe-EBM-Stanford%20Medicine%20v1.2-3-25-2020.pdf

 

On pages 5-6 there is a good discussion of the various methods that can be used to disinfect N-95s, including a helpful table and references. One refence shows that hot water vapor from boiling water for ten minutes is an effective decontamination method.

 

At Yale, we plan to use vaporized hydrogen peroxide to decontaminate and reuse N-95s using the methods described here:

 

https://www.safety.duke.edu/sites/default/files/N-95_VHP-Decon-Re-Use.pdf

 

https://www.fda.gov/media/136386/download

 

Pete Reinhardt

Director, Yale Office of Environmental Health and Safety

 

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