My understanding is the it should not be less than 70 degrees and pref.erably verticalJames A. Kaufman, Ph.D.
Chair, ICASE Committee on Safety in Science Education
International Council for Associations of Science Educationwww.icaseonline.net
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
P We thank you for printing this e-mail only if it is necessaryIn 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.
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