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Subject: Chemical Safety headlines from Google (13 articles)
Date: Wed, 14 Dec 2011 07:28:24 -0500
Author: "Secretary, ACS Division of Chemical Health and Safety" 		Next by Date:
Subject: GHS Webinar part 3 of 3
Date: Wed, 14 Dec 2011 11:29:39 -0500
Author: ILPI


Date: Wed, 14 Dec 2011 08:14:27 -0800
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: Larry McLouth <ldmclouth**At_Symbol_Here**LBL.GOV>
Subject: Perchloric Acid Hood Duct Design Criteria
X-To: dchas-l**At_Symbol_Here**med.cornell.edu
X-cc: Laurel Davis 
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.

I'd appreciate it if you could point me to any references you may be
aware of regarding this subject.

Regards

Larry

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