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 =A0 -----Original Message----- From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu] 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 Carolyn J. Sampson, Ph.D. Environmental Manager & Chemical Hygiene Officer Division of Innovation, Technology and Quality General Mills, Inc.
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