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Subject: Re: [DCHAS-L] ATSDR vinyl chloride case study found: Was Re: C&EN: Ohio train derailment raises more questions

Date: Feb 25, 2023 05:55 UTC

Author: Alan Hall <oldeddoc**At_Symbol_Here**GMAIL.COM>

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Subject: [DCHAS-L] New Training

Date: Feb 25, 2023 13:45 UTC

Author: Richard Palluzi <000006c59248530b-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU>

From: Ralph Stuart <ralph**At_Symbol_Here**RSTUARTCIH.ORG>

Subject: [DCHAS-L] What we know − and don't know − about what caused UD's lab evacuation 2 weeks ago

Date: Feb 25, 2023 12:53 UTC

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

Message-ID: <79B1347E-9604-4363-9057-549B2B8EF3CF**At_Symbol_Here**rstuartcih.org>

In-Reply-To:  

Demystify: 

https://www.delawareonline.com/story/news/2023/02/24/university-delaware-lab-evacuation-questions-explosive-chemical/69911628007/

What we know − and don't know − about what caused UD's lab evacuation 2 weeks ago

Two weeks after a "safety-related incident" in the University of Delaware's Lammot du Pont Laboratory led to the evacuation of six buildings and a police-led "controlled detonation" on The Green in Newark, UD officials have provided an update on the incident with slightly more information.
However, details about what exactly led to this incident and what was occurring at the lab remain unknown to the public.
Here's what we can answer − and what we can’t.

What do we know about what happened?

Researchers in the Lammot du Pont Laboratory "inadvertently produced a small amount of a shock-sensitive explosive chemical" on Feb. 8, according to the university.Delaware State Police's explosive ordnance disposal unit removed the chemicals from the lab on Wednesday and took them to a "safe location" on the South Green for a "controlled detonation" at 5:45 p.m. There were no reported injuries, and all evacuated buildings were reopened for classes the following day.

(more at URL above)

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