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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