From:
Stephen Nicolosi <nicolosi**At_Symbol_Here**MINDSPRING.COM>
Subject:
[DCHAS-L] Accident ID and Control_Re: [DCHAS-L] Risk assessment training exercise
Date:
Jun 22, 2023 07:51 UTC
Reply-To:
ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID:
<8a42d08d-7c11-4130-ac29-5671cff10e4c**At_Symbol_Here**MW2NAM12FT068.eop-nam12.prod.protection.outlook.com>
In-Reply-To:
<BN7PR01MB3876406E18BAC0DE99356BC5EE5DA@BN7PR01MB3876.prod. exchangelabs.com>
Patricia,
It depends on what you are looking for. If you want an example
using the ACS methodology, I cannot help you. If you are interested
in discovering and controlling low probability high consequence
accidents, then I believe my materials are of value to you, or at least
deserve some review. Elements of the methodology have been accepted
and used in many technologies (e.g., nuclear, aerospace, chemical
process, medicine, automotive, etc.), but, to the best of my knowledge,
have not been embraced by the ACS.
I have attached some materials that may be of some value to you.
The approach considers equipment failures, unintentional human errors,
intentional human errors, external events (e.g., loss of electric power,
loss of cooling water), and other potential accident initiators including
influences from whatever else is present in the laboratory. In
particular, it provides a framework for identifying low probability high
consequence accident scenarios that require some level of controls to
help prevent serious accidents from occurring.
More information is available at:
http://www.ravensbyre.net/safetyanalysis/safetyanalysis.html
Regarding data,you will find a paucity of data for laboratory
experiments. I initiated some communications a number of years ago
to begin to collect such data in a central repository but there was no
interest at the time. For example, are there any known failures of
the internal water cooling coils or central tube on a condenser that
released water onto hot liquid inside an apparatus (thereby creating
possibilities for unwanted reactions or a steam explosion)?
For commonly encountered laboratory accidents, the university infirmary
might be an excellent potential source of data provided they have enough
data recorded to link injuries treated with the experiments or materials
that caused them.
Please feel free to call me if you wish to discuss he subject
further. I usually do not pick up the phone for numbers i do not
recognize so please leave a message if you do call.
Stephen L. Nicolosi
520-747-9249
Tucson, AZ
At 6/21/2023, you wrote:
Hello all,
I am in the process of designing a one-day safety training exercise for
our lab teaching assistants. I would like to include an exercise in doing
a risk assessment for a proposed experiment, in either a teaching or
research setting. I was wondering if anyone knows of any case studies
available for use in such an exercise, either on-line or in a textbook
perhaps.
Thanks,
Patricia Leach
Lab Manager
Department of Chemistry & Biochemistry
The University of Texas at Dallas
Office: SLC 3.513
Office: (972) 883-6583
Cell: (469) 891-6426
patricia.leach**At_Symbol_Here**utdallas.edu
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