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Date: Thu, 15 Dec 2011 04:37:35 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sender: DCHAS-L Discussion List <dchas-l**At_Symbol_Here**med.cornell.edu>
From: JAKSAFETY**At_Symbol_Here**AOL.COM
Subject: Re: Perchloric Acid Hood Duct Design Criteria
X-To: dchas-l**At_Symbol_Here**med.cornell.edu
My understanding is the it should not be less than 70 degrees and
pref.erably vertical
James A.
Kaufman, Ph.D.
Chair, ICASE Committee on Safety in Science
Education
International Council for Associations of Science Educationwww.icaseonline.net
President/CEO
The
Laboratory Safety Institute (LSI)
A Nonprofit International Organization
for
Safety in Science and Science Education
192 Worcester Road,
Natick, MA 01760-2252
508-647-1900 Fax: 508-647-0062 Skype: labsafe
Cell:
508-574-6264 Res: 781-237-1335
jim**At_Symbol_Here**labsafetyinstitute.org www.labsafetyinstitute.org
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In a message dated 12/14/2011 3:36:53 P.M. Eastern Standard Time,
ldmclouth**At_Symbol_Here**LBL.GOV writes:
Hi All
-
Is anyone aware of a prohibition against using 45 degree angle
ductwork
runs (as opposed to vertical runs) for a perchloric acid fume
hood?
This pertains to water washdown systems. This question
was posed to me
and I thought I'd seek your collective wisdom.
aware of
regarding this
subject.
Regards
Larry
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