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From: Jonathan Dannatt <jdannatt**At_Symbol_Here**UDALLAS.EDU>
Subject: Re: [DCHAS-L] Methylene chloride in teaching labs
Date: Jul 3, 2024 15:19 UTC
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: <CAEiU9vAapw+iMXzebP8z=kpW9RaN1H=E--POcs3iaxUWw8tg+w**At_Symbol_Here**mail.gmail.com>
In-Reply-To: <DM3PR08MB9587AF79C8FADAF93A3A44E4A3DC2**At_Symbol_Here**DM3PR08MB9587.namprd08.prod.outlook.com>
--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.orgGood afternoon,
Like many others, our institution is currently trying to assess the impacts of the new methylene chloride regulation from EPA, and a question has come up around use of this chemical in teaching labs. Our chemistry department currently uses methylene chloride for some of their higher level courses. Do activities with methylene chloride conducted in teaching labs qualify as “commercial use as a laboratory chemical”?
How is your institution addressing this issue (if it is relevant for you)?
Any input is appreciated!
Regards,
~AlexALEX HAGEN, CCHO
Laboratory Safety Inspection Program Manager
Environmental Health & Safety Department
fischera**At_Symbol_Here**uw.edu / www.ehs.washington.edu