Date: Mon, 30 Nov 2009 09:41:15 -0500
Reply-To: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: Joseph Passante <Joe**At_Symbol_Here**EHRS.UPENN.EDU>
Subject: HF digestion safety

Does anyone on this list have experience with proper exhaust design  
for small scale digestion using 48% HF?  The geochemistry researcher I  
am working with anticipates evaporating 2 liters of concentrated HF  
per month in a fume hood.

I am interested in scrubbing technologies and if anyone has designed  
local exhaust systems that do not involve a fume hood.



Joseph R. Passante, CIH, CHO
Associate Director
Chemical Hygiene Officer
Environmental Health & Radiation Safety
University of Pennsylvania

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