What is the consensus for laboratory fume hoods when the system's connected to the general fire alarm, should the system automatically turn the fume hoods ON or OFF when the general fire alarm sounds? The priority for people is to get out, and not look around for things to turn ON or OFF - we let the automation handle that part. We have conflicting opinions between knowledgeable people who have good reasons to go either way on that.
The fume hoods are standard built-in ducted devices that are hepa-filtered at the roof stage. They're strictly working hoods, only enough solvents and other materials are used inside for doing the task at hand (not used for storage or anything else that might cause unnecessary hazards or obstruct efficient air flow).
Thanks for sharing your opinions.
Eric Clark, MS, CHMM, CCHO
Safety Officer, Public Health Scientist III
Los Angeles County Public Health Laboratory
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Monona Rossol
Sent: Monday, September 22, 2014 7:02 AM
Subject: Re: [DCHAS-L] October Fume hood design workshop planning
Wouldn't it be really cool if, included in the panel, there was an industrial ventilation engineer. I know one near Boston who is both a P.E., CIH. But there must be others. It is my experience that the slip ups often occur in the unseen tangle of ductwork, energy saving devices and exhaust stack design.
Monona Rossol, M.S., M.F.A., Industrial Hygienist
President: Arts, Crafts & Theater Safety, Inc.
Safety Officer: Local USA829, IATSE
181 Thompson St., #23
New York, NY 10012 212-777-0062
From: Secretary, ACS Division of Chemical Health and Safety <secretary**At_Symbol_Here**DCHAS.ORG>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sent: Mon, Sep 22, 2014 9:04 am
Subject: [DCHAS-L] October Fume hood design workshop planningI'm pleased to let the list know that four organizations are partnering to puton a day long "Fume Hood Design for the 21st Century: A Cross-DisciplinaryWorkshop". The goal of the workshop is to develop a report that describes keyquestions that should be considered at the institutional level in developingstandards for fume hood performance and options for answering those questions.For many institutions, this is an ongoing challenge, given the changing natureof the sciences hoods support; the complex group of stakeholders involved indesigning and operating lab ventilation system; and the changing lab ventilationtechnologies that have emerged in the last decade.
We have begun the planning process for the workshop content. The currentschedule of the workshop and an outline of the issues to be discussed can befound at
This is a blog-based site, so viewers have the ability to comment on thequestions we are considering. We'd appreciate feedback people have on the topicscurrently identified and others that should be considered as part of thisdiscussion.
The co-sponsors of the workshop are:- the New England Chapter of the International Institute for SustainablyLaboratories,- the American Chemical Society Division of Chemical Health and Safety,- the Campus Consortium for Environmental Excellence, and- the Campus Safety, Health and Environmental Management Association.
The workshop will take place on October 29, 2014 from 9 AM - 3 PM EasternDaylight Time at the Four Points Sheraton in Norwood, MA. Because we expect thatthere will be national interest in this topic, distance participation optionsare also available; contact Ralph Stuart at secretary**At_Symbol_Here**dchas.org for moreinformation..
Let me know if you have any questions about this.
Ralph StuartSecretaryDivision of Chemical Health and SafetyAmerican Chemical Society
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