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Subject: [DCHAS-L] Fwd: Science News Summary for Fri, Jul 18, 2025

Date: Jul 18, 2025 14:37 UTC

Author: Stephen Taylor <stephen**At_Symbol_Here**LABSAFETYINSTITUTE.ORG>

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Subject: Re: [DCHAS-L] How should DCM be handled in a chemical hygiene plan?

Date: Jul 21, 2025 19:44 UTC

Author: Info <info**At_Symbol_Here**ILPI.COM>

From: Jonathan Dannatt <jdannatt**At_Symbol_Here**UDALLAS.EDU>

Subject: [DCHAS-L] How should DCM be handled in a chemical hygiene plan?

Date: Jul 21, 2025 14:42 UTC

Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>

Message-ID: <CAEiU9vCnn0vSCCJzUWzghP1f2akiiqHWXPBU6rdEHbUefJqUJA**At_Symbol_Here**mail.gmail.com>

In-Reply-To:  

Demystify: 
Hey all, 

We are updating our chemical hygiene plan and were wondering if you all could provide some guidance on how DCM should be written in the plan. We have a category for halogenated wastes, but with the new rules do we need to separate halogenated waste from DCM? Do we need to include more language about measuring exposure, etc? 

Thank you for any help you can provide. 

Warmest regards, 
Jonathan


--

Jonathan Dannatt, Ph.D.

Associate Professor

Department of Chemistry

University of Dallas

O: (972) 721-5065

Ejdannatt**At_Symbol_Here**udallas.edu

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