From: Katharine Thayer (kthayer@pacifier.com)
Date: 05/02/00-01:07:47 AM Z
> Linda Phillips wrote:
> >
> >
you folks don't just shrug and dump this waste down
> > the drain? Do you?
> >
I'm not sure it was clear from my earlier response that I never "dump"
dichromate solution down the drain, and don't advocate such "poison
dumping." Both mixed dichromate and mixed gum emulsion are used up as I
work so there is never any excess to "dump" down the drain. When I
referred to "disposing" of dichromates, I meant only disposing of the
wash water used in development, and I assumed that's what the question
was about. If anyone is disposing of a quantity of the solution itself,
it should of course be handled as a hazardous waste.
Katharine Thayer
Katharine Thayer wrote:
the answer was
> that in the amounts we use, the material becomes quite diluted enough in
> a municipal sewer system not to constitute a problem, and that's true
> even if there were several people in any given city doing the same
> thing. However, I wouldn't be comfortable disposing of the stuff into a
> septic tank system.
> Katharine Thayer
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