[Histonet] Yellow Walls in the Lab

Joe Nocito jnocito <@t> satx.rr.com
Tue Jun 6 18:32:54 CDT 2006

gee, we have purple walls ( the interior designer calls it eggplant). I'll 
let y'all know what color we get in a couple of years, maybe sooner. 
Remember Bent plumbing? That's what I'm talking about.

Histology Manager
Pathology Reference Lab
San Antonio, TX
----- Original Message ----- 
From: "Rene J Buesa" <rjbuesa <@t> yahoo.com>
To: "Smith Wanda" <Wanda.Smith <@t> HCAhealthcare.com>; 
<histonet <@t> lists.utsouthwestern.edu>
Sent: Tuesday, June 06, 2006 10:41 AM
Subject: Re: [Histonet] Yellow Walls in the Lab

> Wanda:
>  Probably this is a combination between your lab environment and the 
> type/quality of the paint used.
>  Try first to find out the type of paint used and if it is of the alkyd 
> type. White alkid wall paints become yellowish when there is not enough 
> light and also in the presence of ammonia and chlorine.
>  Try to find out the amount of light in your lab and note if yellowing is 
> more acute in the less exposed to light areas. Sometimes ammonia is used 
> as a "sectioning helper" of hard blocks and chlorine is sometimes used to 
> clean/disinfect counter surfaces.
>  A combination of all these factors can be the cause for your wall 
> yellowing.
>  Hope this will help you.
>  René J.
> Smith Wanda <Wanda.Smith <@t> HCAhealthcare.com> wrote:
>  Good Morning Netters,
> As much as I hate to admit this...the walls in my lab where the tissue 
> processors, embedding center, UPS for the embedding center, and microtomes 
> are, they are turning yellow. It has been happening gradually, however now 
> when the histotechs wipe the counters each day, the paper towel is yellow. 
> It almost looks like nicotine tar, but they assure me they are not smoking 
> in there in the mornings!!!
> My lab is 3 years old and they designed it with adequate ventilation to 
> remove fumes, but I'm at a loss on this one. Please help!!!!!
> Wanda
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