While we are on the subject of flammable cabinets, what is the requirement for grounding them? The new ones in our recently renovated building were grounded by the contractor, now our Compliance Coordinator is on my case to get all others grounded. I could not find any guidance on grounding cabinets. All our cabinets contain either glass or plastic containers which are removed to dispense the contents. We do not have any containers from which the contents are dispensed by spigots while the container is in the cabinet. Grounding the cabinet does not seem to be necessary.
Steven S. Funck, MS, CSMM
Natural Sciences Laboratory Program Manager
One College Ave.
Mechanicsburg, PA 17055
Phone: (717) 796-1800 (ext. 2079)
Fax: (717) 691-6046
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Debbie M. Decker
Sent: Thursday, December 05, 2013 6:40 PM
Subject: Re: [DCHAS-L] Flammable cabinet storage best practices
Go here and access our guidance on vented flammable liquid storage cabinets: http://safetyservices.ucdavis.edu/ps/fp/fn/biefs/ventingFlammableStorageCabinets.pdf/view
Also, in the context of Fire Code compliance audits, our designated campus fire marshal offers this guidance:
"According to NFPA 30, Flammable and Combustible Liquids Code Handbook, venting a flammable storage cabinet is not necessary for fire protection purposes.
Flammable and combustible liquid storage cabinets are designed to protect the internal contents from a fire outside the cabinet. An improperly vented cabinet could compromise the ability of the cabinet to protect its contents from a fire.
According to NFPA 30, 6.3.4, "The cabinet is not required to be vented for fire protection purposes. However, the following shall apply:
(a) If vented for whatever reasons, the cabinet shall be vented outdoors or to the fume hood exhaust duct in such a manner that will not compromise the specific performance of the cabinet.
(b) If the cabinet is not vented, the vent openings shall be sealed with the bungs supplied or with bungs specified by the manufacturer."
If vapor or odor is an issue there is a product called VAP-R GARD. That can be attached to the inside of the cabinet I have attached the link.
Hope this helps -
Debbie M. Decker, CCHO
Department of Chemistry
University of California, Davis
1 Shields Ave.
Davis, CA 95616
Birkett's hypothesis: "Any chemical reaction that proceeds smoothly under normal conditions, can proceed violently in the presence of an idiot."
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Ralph B. Stuart
Sent: Thursday, December 05, 2013 12:22 PM
Subject: [DCHAS-L] Flammable cabinet storage best practices
A discussion today about proper venting of flammable storage cabinets led to the question of what is the best approach to managing chemical storage in the cabinet to control accumulating fugitive odors. I wonder if anyone has written guidance for a Chemistry Dept audience for that addresses this question?
Thanks for any help with this.
Ralph Stuart CIH
Chemical Hygiene Officer
Department of Environmental Health and Safety Cornell University
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