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Microbio Digest, Vol 53, Issue 5

Microbio Digest, Vol 53, Issue 5 - Microbiology Forum

Microbio Digest, Vol 53, Issue 5 - Discuss Microbiology Science and Protocols here. Post questions on the study of viruses, fungi, parasites and bacteria here. Microbiology Forum.


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Old 10-07-2009, 10:04 PM
jorge1907@aol.com
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Default Microbio Digest, Vol 53, Issue 5




Unlike my arrogant colleague?- I know contact plates are in current and common?use in hygienic manufacturing application and counts are related to the surface area of contact with the contact plates.? The data are quirte relevant to clean room hygiene.

No - as is obvious - there is no way to take TNTC? to a quantitation.??If you experience spreaders - you take the same precautions as in any culture - medium that diminshes, early counts, even overlay (tho you need a steady hand).

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Subject: Microbio Digest, Vol 53, Issue 5




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Today's Topics:

1. Re: Rodac Plates (John Gentile)


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Message: 1
Date: Tue, 6 Oct 2009 19:49:53 -0400
From: John Gentile <[Only registered users see links. ]>
Subject: [Microbiology] Re: Rodac Plates
To: [Only registered users see links. ]
Message-ID: <2009100619495316807-yjgent@nospamcoxnet>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 2009-10-05 11:41:10 -0400, "Cherie Parker"
<[Only registered users see links. ]> said:


I thought contact plates went out with bleeding times. I don't think
there are any clear meaninful guidelines for how to quantify plates.
What may be an acceptable count now may be TNTC in a few hours. The
environment is rather dirty so what is the purpose? To try to educate
someone on how to clean? It might be more important to examine what
cleaning solutions they are using. Most cleaning crews I've run into
seem to make the strongest formula they can instead of going by the
manufacturers directions. How many times have you walked into a public
bathroom and been assaulted by the fumes of the disinfectant? If a
solution works best at 2% it doesn't
work better at 10 or 20%, but look
at what they are doing. Even in our lab, most of our bleach solutions
were much more than the 5% recommended. After washing a bench down, it
sometimes smelled like an over chlorinated pool!
We stopped doing any environmental cultures because no one could
interpret them.
--
John Gentile MS, M(ASCP)
Laboratory Information Mgr.
VA Medical Center
Providence, RI
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