From: Jim Doughty <jdoughty**At_Symbol_Here**MIT.EDU>
Subject: [DCHAS-L] SPM Flex Problems?
Date: Fri, 20 Oct 2017 15:59:07 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: D16116908C860F4F902952A08F7C91050128075AE5**At_Symbol_Here**



Does anyone use the Honeywell SPM Flex? This is a tape-based detector by which the target gas stains the tape and the intensity of the stain is read optically and is proportional to concentration. We seem to have nothing but problems with ours with regard to false detections. I am in Cambridge, Ma and pretty sure we don’t have background arsine and fluorine.





James N. Doughty, CIH

Industrial Hygiene Senior Officer

Environment, Health and Safety Office

Massachusetts Institute of Technology

Room N52-496






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