From: Alan Hall <oldeddoc**At_Symbol_Here**GMAIL.COM>
Subject: Re: [DCHAS-L] PNNL Hydrogen Fire Event Video
Date: Mon, 28 Jan 2019 15:21:20 -0600
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: CALDugaa+oVoPVrTVLRTk-oiC1mSO6f3X_B=oPOMGB4fjqfuHCA**At_Symbol_Here**mail.gmail.com
In-Reply-To <009901d4b74a$f0852eb0$d18f8c10$**At_Symbol_Here**midwestchemsafety.com>


Et al,

And one might ask, depnding on what material the lab coat is made of, how much protection it actually has or is it more of a potential flammable hazard and one more layer to be removed following a chemical splash incident -- if it protects at all or merely serves as an occlusive dressing-type material for chemical skin contamination?

Alan
Alan H. Hall, M.D.
Medical Toxicologist

On Mon, Jan 28, 2019 at 3:16 PM Harry Elston <helston**At_Symbol_Here**midwestchemsafety.com> wrote:

Craig:


Don't put a lot of money on that stock. Many locations have various PPE requirements for entry and they very well could be following their own rules. I've walked into many research and industrial laboratories were lab coats were not required but eye protection was. It's all in the assessment.

Harry

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU> On Behalf Of Craig Merlic
Sent: Monday, January 28, 2019 1:44 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] PNNL Hydrogen Fire Event Video

Interesting video, but of six people shown in lab scenes, not one is wearing a lab coat.

Craig

Craig A. Merlic

Professor of Chemistry

UCLA Department of Chemistry and Biochemistry

Executive Director

UC Center for Laboratory Safety

http://cls.ucla.edu

Los Angeles, CA 90095-1569

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU> on behalf of Richard Palluzi <rpalluzi**At_Symbol_Here**VERIZON.NET>
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Date: Monday, January 28, 2019 at 10:43 AM
To: <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Subject: Re: [DCHAS-L] PNNL Hydrogen Fire Event Video

A superb video. One of the points they mentioned a bit casually is that plastic tubing has no fire resistance and little mechanical strength. Hence it is both easier to fail in an accident and more prone to failure. Many CPI research organizations have fairly restrictive rules about where it can be used (very low pressure, very low flows) and usually restrict it to a short connection if needed for flexibility.

Richard Palluzi

PE, CSP

Pilot plant and laboratory consulting, safety, design,reviews, and training

Linkedin Profile

Richard P Palluzi LLC

72 Summit Drive

Basking Ridge, NJ 07920

rpalluzi**At_Symbol_Here**verizon.net

908-285-3782

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU> On Behalf Of Robin M. Izzo
Sent: Monday, January 28, 2019 11:38 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] PNNL Hydrogen Fire Event Video

My colleague at the Princeton University Plasma Physics Lab (a DOE facility) sent me this video from the Safe Conduct of Research (SCoR) at the Pacific Northwest National Lab (PNNL). There was a hydrogen fire and explosion in one of their fuel cell research labs in September 2018. This video highlights their incident investigation and lessons learned, and provides a good example of why it is necessary to continue to question and improve safety even for operations that have remained unchanged for many years with no serious incidents. This video is very well done and very much appreciated.

https://youtu.be/K7nf0hdHvMk

Best,

Robin

^^^^^^^^^^^^^^^^^^^^^^^^

Robin M. Izzo, M.S.

Director

Environmental Health and Safety
Princeton University

609-258-6259 (office)

609-865-7156 (mobile)

Visit the EHS website at ehs.princeton.edu and the Emergency Management website at emergency.princeton.edu

(she/her/hers)

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