Re: [Histonet] Neutralization of Formalin

From:"Bob Nienhuis"

We used to do that, but are not allowed to do it anymore. Apparently, the
Formulex produces some
stuff that is nastier than the original formalin, We send to a waste
disposal company.

UCLA / VA Medical Center
Sepulveda, CA

On 9/28/07, Schaundra Walton  wrote:
> Hi everyone!
>   Our lab neutralizes our 10% formalin before dumping it down the
> drain.  We use Formalex (American Master Tech) to neutralize and then add
> sodium hydroxide to balance the pH.  We had been using residual formaldehyde
> test strips to test the ppm (Market Lab) before dumping, but they have been
> discontinued.  We have tried to replace them with EM formaldehyde test
> strips (Fisher Scientific), but we are having trouble getting them to
> work.  Anyone else neutralizing their formalin?  What are you using and are
> you testing it before dumping it?
> Schaundra Walton BS HTL(ASCP)
> Swedish American Hospital
> 1401 E. State St.
> Rockford, IL 61104
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