DCHAS-L Archives · Post dated July 23, 2026
From: Bridget Morris <0000193824b50d68-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] Looking for Fume Hood Ventilation system cleaners
Date: Jul 23, 2026 19:11 UTC
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
In-Reply-To: Re: [DCHAS-L] Looking for Fume Hood Ventilation system cleaners
No Perchloric was used in these hoods or LEVs.
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From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
On Behalf Of James Kaufman
Sent: Thursday, July 23, 2026 10:48 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] Looking for Fume Hood Ventilation system cleaners
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Before doing anything to the ductwork, make sure they were not doing perchloric acid digestions in the hood.
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On Thu, Jul 23, 2026 at 8:33 AM Bridget Morris <0000193824b50d68-dmarc-request**At_Symbol_Here**lists.princeton.edu> wrote:
