What about a facility where the hoods are tied into the ventilation
system? The building will be shut for a considerable amount of time
with the systems off.

Should hood sashes be closed?
Should we try to have building automation system (computerized) have
the hoods run for a set period of time each week?

Thanks in advance!!!

On 31/03/2020, James Kaufman wrote:
> I have a copy of the article if anyone needs it. Hi name was Roland Daigle
> and he worked for Windsor Pharmaceutical in Nova Scotia.
>
> PS. "There's more to lab safety than just labs!"
>
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>
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> On Mon, Mar 30, 2020 at 11:34 AM ILPI Support wrote:
>
>> 1. It‰??s a Bad Idea if there is any chance that anyone will be performing
>> work that requires a hood and is unaware of the shutdown or chooses to
>> ignore the shutdown. In 2009, a Canadian worker DIED because he
>> performed
>> work with trimethylsilyldiazomomethane during a fume hood shutdown. I
>> can‰??t find an article that actually confirms the cause of death:
>> https://www.cbc.ca/news/canada/nova-scotia/protective-fume-hoods-turned-off-before-lab-worker-s-death-1.798585
>> Likewise, workers may not be skilled or informed enough to understand
>> that a shut down hood provides no protection. At the very least you
>> would
>> have to put huge signs on each hood and tape them shut. But I still
>> would
>> not underestimate the will of a student intent on finishing their
>> dissertation etc. to bypass these signs nonetheless.
>>
>> 2. Chemicals or waste stored in the hoods (yes, yes, we all know about
>> proper hood use vs. how they are actually used), may emit vapors, develop
>> a
>> leak, or undergo a spontaneous reaction/explosion that releases toxic or
>> flammable vapors or liquids. A functioning hood could prevent such
>> releases.
>>
>> My writeup on fume hoods in the SDS HyperGlossary has various links to
>> fume hood/ventilation considerations:
>> http://www.ilpi.com/msds/ref/fumehood.html
>>
>> Rob Toreki
>>
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>>
>>
>>
>> On Mar 30, 2020, at 10:59 AM, Dr. Joseph M. Crockett <
>> jcrocket**At_Symbol_Here**BRIDGEWATER.EDU> wrote:
>>
>> ‰??I've received the following from a colleague at another school.
>>
>> The powers that be want to save money by shutting down the hoods in our
>> building. That doesn‰??t seem like a good idea to me and I have asked
>> others
>> and they agree, but no one can tell me why we shouldn‰??t shut them down.
>> Do
>> you have any insights on this? Should I be concerned if all the hoods get
>> shut down? If so, why?‰??
>>
>> I agree with the department, not the PTB, but would like more feedback
>>
>> Joe C
>>
>>
>> [image: BC Logo] *Joseph M Crockett*
>> *A LeRoy and Wanda H Baker Chair of Science*
>> *Professor of Chemistry*
>> Department of Chemistry
>> Bridgewater College
>> Phone: 540-828-5431 | bridgewater.edu <https://www.bridgewater.edu/>
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--
Best Regards,

-Eric

Eric W. Goff
Chemistry Educator

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