Mario, We have combustion research labs and catalyst research labs that all emit carbon monoxide. Obviously we have the engines and reactors exhausted into hoods, but our emergency power here is not the most dependable, hence the need for secondary protection. We used to use MSI Orion 4 gas detectors. Those units have been discontinued and I can not get parts for them, so I recently switched to Drager X-am 5000s. These are 5 gas detectors that can be clipped onto your clothing for "passive" detection if actively working in a hazard area. They have an optional pump accessory with tubing or probes for active detection that I use when responding to a "strange odor" call or a general alarm in one of our "hazardous" labs. They are supposed to be calibrated every 6 months and the Drager office here in Qatar will do it for about $200 each. For the total Drager setup I paid about $2200 each, but I am sure you can find them cheaper in the US. I hope this helps, Brandon Chance, M.S. Safety and Environmental Compliance Manager Office of Building Operations & HSSE Texas A&M University at Qatar brandon.chance**At_Symbol_Here**qatar.tamu.edu PO Box 23874 | Doha, Qatar TAMUQ Building Room 225E | Education City (o) +974.4423.0495 | (m) +974.6668.3552 | SkypeIn USA 001.281.764.1776 www.qatar.tamu.edu It’s Time For Texas A&M On 10/31/11 2:47 AM, "Garcia-Rios Mario"
wrote: Hello Everyone, I recently became the first CHO at my institution and joined the ACS DCHAS. The LISTSERV has already provided me with valuable information. Our institution is small and Chemistry is a "service" area to the rest of the College (including a small Biology Program). Last week we had a report from a staff member of a "strong and ugly odor" coming from a chemistry lab. The staff member called Public Safety and they called me. It turns out that the lab tech had just prepared reagents containing cyclohexane. After the incident was determined to be "minor", the Public Safety Chief told me that his office used to have a Portable Gas Detector, but that said detector was lost. Can any of you recommend such a device? Brand? Detectors? Thanks in advance for any assistance, Mario Mario G. Garcia-Rios, Ph.D. Associate Professor, Biology and Chemistry Chemical Hygiene Officer Mount Ida College 777 Dedham Street Newton, MA 02459 (617) 928-4061
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