Date: Thu, 19 Mar 2009 07:32:40 -0400
Reply-To: "Crooks, Steven" <scrooks**At_Symbol_Here**RTI.ORG>
Sender: DCHAS-L Discussion List <DCHAS-L**At_Symbol_Here**LIST.UVM.EDU>
From: "Crooks, Steven" <scrooks**At_Symbol_Here**RTI.ORG>
Subject: Re: Procuring Acetonitrile
Comments: To: List Moderator
In-Reply-To: A<3705B59A-AED0-4457-A01E-627C39FDEEE3**At_Symbol_Here**>

Sounds like potentially viable minimization and addressing a supply 
issue.  It also sound a lot like "treatment"....   Curious to know if 
operator is a TSDF and how others have grappled with the "treatment" 
interpretation for those who are only LQGs.

Steve Crooks, MS, CIH, CSP
Mgr., Occupational Health & Environment
RTI International
Occupational Health and Environment
Bldg 11 203B
3040 Cornwallis Road POB 12194
Research Triangle Park, NC 27709-2194
TEL 919.316.3910
FAX 919.541.1222

-----Original Message-----
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**] On Behalf Of 
List Moderator
Sent: Wednesday, March 18, 2009 11:00 AM
To: DCHAS-L**At_Symbol_Here**LIST.UVM.EDU
Subject: Re: [DCHAS-L] Procuring Acetonitrile

From: Carolyn Sampson 
Date: March 18, 2009 10:41:27 AM EDT (CA)
Subject: RE: [DCHAS-L] Procuring Acetonitrile

We started capturing our waste and distilling it several years ago as  
a cost savings so we have inadvertently protected ourselves at least a  
little.  We use a simple benchtop still (located in a hood).  You need  
to account for the water content.  (84% acetonitrile, 16% water)

Also, depending on your sensitivity needs, you can simply re-use the  
waste.  That causes a baseline shift, of course, but you can sometimes  
deal with that for a short while.

Good luck!

Carolyn J. Sampson, Ph.D.
Environmental Manager & Chemical Hygiene Officer
Division of Innovation, Technology and Quality
General Mills, Inc.

Previous post   |  Top of Page   |   Next post

The content of this page reflects the personal opinion(s) of the author(s) only, not the American Chemical Society, ILPI, Safety Emporium, or any other party. Use of any information on this page is at the reader's own risk. Unauthorized reproduction of these materials is prohibited. Send questions/comments about the archive to
The maintenance and hosting of the DCHAS-L archive is provided through the generous support of Safety Emporium.