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From: Vivian L. Longacre <vlongacr**At_Symbol_Here**CALPOLY.EDU>
Subject: Re: [DCHAS-L] VOC measurement
Date: Thu, 1 Dec 2016 16:12:34 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: BY2PR08MB347108A3E14CB3034D7CBB9C88F0**At_Symbol_Here**BY2PR08MB347.namprd08.prod.outlook.com
In-Reply-To


I believe that you mean Volatile Organic Compounds (VOC) analysis by GC/MS.  A GC/MS analysis, whether it is in air, water/soil, etc. is an airtight system and will not pull in lab interference.  You will not be able to tune the MS consistently if you have air leaks and will end up burning out your source if you run with air leaks.  That being said, you will need venting of the system at the outlet inside the lab.


Vivian 


Vivian Longacre 
Safety Training Specialist
Environmental Health & Safety
Cal Poly State University
San Luis Obispo, CA

Direct 805.756.6628
vlongacr**At_Symbol_Here**calpoly.edu
From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU> on behalf of AbdulAziz AlRueshed <abdulaziz208**At_Symbol_Here**HOTMAIL.COM>
Sent: Thursday, December 01, 2016 6:35:29 AM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: [DCHAS-L] VOC measurement
 
Good Night Gentlemen,

we are plaining to commission GC-MS in our lab to conduct the Violated Organic Carbon (VOC ) of environmental samples.
Is this measurement  required to be done in the isolated lab to minimize the interferences or we can install the instrument in the open lab.

best regards,
AMR
Sent from my iPhone

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