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Subject: Re: Dental Schools and silica
Date: Tue, 21 Sep 2010 09:30:19 EDT
Author: ACTSNYC**At_Symbol_Here**CS.COM 		Next by Date:
Subject: Re: Dental Schools and silica
Date: Tue, 21 Sep 2010 09:42:50 -0400
Author: Kim Auletta


Date: Tue, 21 Sep 2010 09:25:54 EDT
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: ACTSNYC**At_Symbol_Here**CS.COM
Subject: Re: Peroxide Question

Hmmm. These people really sound useful in the art and theater shops where we find ancient MEK-P and related resin catalysts.  Where do we find these high hazard deactivation specialists?  Monona

In a message dated 9/21/2010 9:10:55 AM Eastern Daylight Time, mwb32**At_Symbol_Here**DREXEL.EDU writes:


We utilize a high hazard deactivation specialist to deactivate peroxide containing materials. The specialist utilizes a hydraulic remote opening device to open expired peroxide forming chemicals. Once the container is open the material is deactivated using ferrous salts, amines, aqueous sodium metabisulfite and stannous chloride, and sodium hydroxide. The deactivation material will depend on the type of peroxide former. Our hazardous waste hauler accepts the material once it is deactivated.   

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