CHO / STS
Southwest Research Institute Laboratory
Pine Bluff Chemical Agent Disposal Facility
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We have purchased nomex lab coats for pyrophoric users on campus and tested the nomex pilot's gloves in our Chemistry Department at UC Irvine. The researchers are in favor of using the pilot's gloves. The gloves are fitted and are sized from 7 to 11. The vendor is Fisher Safety and the gloves are manufactured by Sperian. Part numbers and pricing are listed below:
Description (Attach any supportive price lists, flyers or brochures.)
Nomex Flight Gloves, Size 7, 12 pairs/pack
Nomex Flight Gloves, Size 8, 12 pairs/pack
Nomex Flight Gloves, Size 9, 12 pairs/pack
Rebe cca Lally, CIH
University of California Irvine
Environmental Health and Safety Office
Latimer, Lee wrote, On 5/15/2009 11:32 AM:
Thanks for the comments on “Pilots Gloves.” Can you provide a link to what you mean by these as it isn’t immediately clear? I assume you are referring to gloves that are Nomex or neoprene and go most of the way to your elbow covering the wrist and forearm including the closure to a lab coat sleeve if it is not gathered..
Referring to your note and George’s, finding the balance point to when non-syringe techniques are appropriate in terms of scale is always a concern. She was transferring about 50 mL, as I understand, which is more typically done by cannula into a dropping funnel for subsequent measured addition rate. For sample sizes below 10 mL, few are familiar with transfer techniques that are not syringes. The use of a shut off valve to prevent drips, etc. and the use of inert atmosphere tubes are improvements, but still involve syringes. Above 10 mL becomes a discussion point about techniques in a research environment vs the same questions in scale-up situations. The UC Riverside link on the CA FACE Alert page and the Aldrich page inserts with their organometallics provide a good set of instructions for small scale transfers though it is not as complete as I would like to see.
As a direct outcome of this accident, I am putting together a training session on organometallics handling and transfer techniques to be required for all of our synthetic chemists. While it will be a refresher for all, being sure to cover it will catch a few who may not have gotten all the lessons in graduate school as well as reminding all of our safety measures and requirements.
Please continue to contribute comments in this area so we minimize the chances of repeats.
From: DCHAS-L Discussion List [mailto:DCHAS-L**At_Symbol_Here**list.uvm.edu] On Behalf Of NEAL LANGERMAN
Sent: Friday, May 15, 2009 6:22 AM
Subject: [DCHAS-L] UCLA "Alert"
Below is the content of an email I just sent to the people who published the pyrophoric alert.
As a chemist and an expert in handling reactive materials, I have reviewed your pyrophoric chemical ALERT and strongly disagree with the gloves shown in the figure. The gloves being used protect against the much less severe chemical hazard, not against the significant fire hazard. The figure shows the result of an inadequate hazard recognition and risk assessment, translated into an inappropriate PPE assessment.
“Pilots Gloves” with thin mil nitrile under them, if wanted, is the appropriate PPE. In addition, a device such as a Unishield should be used to protect the face, and fire retardant clothing, such as a Nomex lab coat, not the cotton one shown, should be used.
There is a lot of mis-information both about the incident and the correct way to handle pyrophoric chemicals.
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