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From: Bridget Morris <0000193824b50d68-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>
Subject: Re: [DCHAS-L] LC with Acetonitrile Ventilation
Date: Jun 2, 2026 20:14 UTC
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: <AS1PR02MB7821988DC9B15D5E72C5C4FD85122**At_Symbol_Here**AS1PR02MB7821.eurprd02.prod.outlook.com>
In-Reply-To: <SJ0PR04MB8259BAE25E1D95416F55FD9DD2122**At_Symbol_Here**SJ0PR04MB8259.namprd04.prod.outlook.com>
You will need a solvent waste container that includes a manifold for the opening to keep vapors in the container. All of the waste lines would route through the manifold. The manifold will also have a location for a vapor cartridge filter
to be placed. This will give you a closed loop system that can be placed outside of a fume hood.
There are several different manufacturers. Look up LC Waste Containers for Exposure control.
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From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
On Behalf Of Rachel A Kaiser
Sent: Tuesday, June 2, 2026 12:31 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] LC with Acetonitrile Ventilation
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Hello!
We are hoping to do some work with the LC this summer using acetonitrile but are concerned about ventilation of the fumes. Our waste currently runs to a bottle that has a closed funnel. Do labs typically have their
LC waste container in a fume hood for ventilation? Our LC is currently in a fairly small room that has one large vent in the ceiling. Any thoughts or recommendations would be greatly appreciated!
Thank you,
Rachel Kaiser ’22 (she/her/hers)
Chemistry Lab Coordinator | Chemical Hygiene Officer
Wittenberg University
(937)327-6442
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