Re: disposal of chromogen/substrates

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From:brian chelack <> (by way of histonet)
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Hi Ron;

I was just wondering if you have any documentation regarding the reaction
products that are formed when you add bleach to DAB.  If my memory serves me,
I believe that you may still be dumping potential carcinogens down the
drain.  Just
because the solution changes colour does not mean it becomes harmless.  I
wonder if John Keirnan has ever looked at this question; how about it John.


Brian Chelack

On Wed, 01 Dec 1999 10:19:20 -0400 ronald l. salisbury wrote:

> From: ronald l. salisbury <>
> Date: Wed, 01 Dec 1999 10:19:20 -0400
> Subject: Re: disposal of chromogen/substrates
> To: Amos Brooks <>
> Cc: "Terrett, Barb" <>,
>      histonet <>
> We add bleach to the DAB, wait 24 hrs and dispose of down the drain.
> Works great!  Ron

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