From: Debbie M. Decker <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sent: Fri, Jul 18, 2014 1:36 pm
Subject: Re: [DCHAS-L] Use of fire resistant lab coat
The Nomex fabric is intrinsically fire resistant - it isn't an applied coating.
For the 100% cotton fire resistant coats we're using in teaching - the textile
thread itself is treated but the garment isn't treated once manufactured.
We require undergraduates to purchase 100% cotton lab coats to be worn in the
teaching labs. It was difficult to pick out our Teaching Assistants in the sea
of white lab coats and they requested a different color coat. The only 100%
cotton coat available in a color (light blue) was flame retardant. They've been
happily wearing them for a year.
There is a time and place to wear an FR coat and that's working with
pyrophoric/water reactive materials or high volumes of flammable solvents in the
presence of an ignition source. FR coats are not appropriate to be worn when
working with corrosives or biological materials. You could also make a case, I
think, that if use of pyrophoric/water reactive materials occurs in a glove box,
the glove box is the engineering control and additional PPE isn't indicated..
We've also found the durability of a Nomex lab coat leaves something to be
desired.
It's important to wear the proper PPE to mitigate the hazards for the task at
hand. Blanket requirements without regard to actual hazards serves no purpose
and undermines our credibility as health and safety professionals.
"Just wrapping people up in a lab coat doesn't automatically make them safe.."
Debbie M. Decker, CCHO
Safety Manager
Department of Chemistry
University of California, Davis
122 Chemistry
1 Shields Ave.
Davis, CA 95616
(530)754-7964
(530)304-6728
dmdecker**At_Symbol_Here**ucdavis.edu
Birkett's hypothesis: "Any chemical reaction
that proceeds smoothly under normal conditions,
can proceed violently in the presence of an idiot."
-----Original Message-----
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Ken
Simolo
Sent: Friday, July 18, 2014 9:36 AM
To: DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU
Subject: Re: [DCHAS-L] Use of fire resistant lab coat
Some have concerns regarding the health impacts of some of the chemicals used to
provide the fire resistance.
Ken
On Jul 18, 2014, at 12:23 PM, Ralph B. Stuart <ralph.stuart**At_Symbol_Here**CORNELL.EDU> wrote:
> A question I'm wondering about as we as a professional community consider the
aftermath of the UCLA lab fire and its legal follow up is whether there is a
reason beyond finances to not use fire resistant lab coats in the lab setting. I
recognize that both the initial and maintenance costs associated with fire
resistant coats are significantly higher than alternatives, but I wonder if
there are other disadvantages associated with their use.
>
> Thanks for any information about this.
>
> - Ralph
>
> Ralph Stuart, CIH CCHO
> Chemical Hygiene Officer
> Department of Environmental Health and Safety Cornell University
> Ithaca, NY 14850
>
> rstuart**At_Symbol_Here**cornell.edu
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