FW: [Histonet] Microwaves

[Donna Willis]

Charles,
Thought I would e-mail you to let you know that I contacted the below
mentioned folks at CAP and received a different answer than you to the CAP
question ANP.27170 "Are microwave devices used in accordance with
manufacturer's instructions?"  I was told that you should only use any
equipment in the lab according to manufacture instructions. 

Since I have given workshops on using microwave in the lab for the past 9
years, I try to keep up with the manuals from microwave manufacture.  I
currently have manuals from the following household microwave manufactures:
Sears Kenmore, Amana, Frigidaire, GE, Maytag, West Bend and Sanyo.  All the
manuals include a statement in the Safety Instructions that reads: "Use this
appliance ONLY for its intended use as described in this manual.  Do not use
corrosive chemicals or vapors in this appliance.  This type of oven is
specifically designed to heat, cook or dry food.  It is not designed for
industrial or laboratory use."

I have a manual from Sanyo from the late 80's that state in the Safety
Instructions "Use this appliance only for its intended use as described in
this manual."  Inside the manual only mentions using for cooking, defrosting
and reheating food.  

I suggest that you contact CAP again and get something in writing from them
that it is OK to use your household microwave for laboratory procedures. If
you do find out different information, would you please post it to the
Histonet?  I'm afraid that labs are going to receive deficiencies thinking
that it is OK to use Household units when it isn't 

Sincerely,

Donna Willis,HT(ASCP)HTL
Milestone Medical
North American Application Manager
2100 N. Hwy 360 Suite 506
Grand Prairie, Tx  75050
972-606-9986 office
214-725-6184 cell
 

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of
Charles.Embrey
Sent: Wednesday, September 05, 2007 11:38 AM
To: Kathleen Boozer; JR R; histonet <@t> lists.utsouthwestern.edu
Subject: RE: [Histonet] Microwaves

When CAP called me after my inspection the inspector said that
"manufacturer's Instructions" don't say food only.  He said that it
applied to the safety warnings about use.  If I hadn't gotten the word
directly from CAP I would still be confused but I am still using my
kitchen microwave to heat simple reagents and do special stains with
their blessing.  My first contact from CAP was Ed Gruber and he had me
fax my information to Wilson Kung.  Mr. Kung can be reached at
800-323-4040 X-7493

Charles Embrey, PA(ASCP)  

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Kathleen
Boozer
Sent: Tuesday, September 04, 2007 8:38 PM
To: JR R; histonet <@t> lists.utsouthwestern.edu
Subject: RE: [Histonet] Microwaves

CAP now says "in accordance with manufacturer's instructions".  In other
words, food only, no chemicals.  How do I get away with that?

>>> JR R <rosenfeldtek <@t> hotmail.com> 09/04/2007 16:58 >>>

I use a plain old GE turntable microwave for that.  It was like $150.00.
You do want the turntable kind and with a digital timer is best.  What
you want to do is test the microwave to see exactly how long it takes to
heat your solution to the required temperature in the exact container
(staining tub, probably?) that you will be using.
 

Jerry L. Ricks
Research Scientist
U.W. Medicine at South Lake Union
815 Mercer Street
Seattle, WA 98109
(206)-685-7190> Date: Tue, 4 Sep 2007 16:23:38 -0700> From:
BoozerKA <@t> ah.org> To: histonet <@t> lists.utsouthwestern.edu> Subject:
[Histonet] Microwaves> > What is the best microwave for a small lab
using it only for heating Bouin's and Silver Nitrate for special stains?
I just can't believe I would have to spend $30,000+ or slow down and use
a waterbath.> > > _______________________________________________>
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