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- Subject: Re: Chromate
- From: "Ralph +or Meg Cooper" <email@example.com>
- Date: Thu, 1 Apr 1999 09:00:31 -0600
- List-Name: P2Tech
- Reply-To: "Ralph +or Meg Cooper" <firstname.lastname@example.org>
Several of my clients in the printing industry eliminated chromium from
their operations in the late 1980s and early 1990s. I would suggest looking
for the source of the chromium and seeing if it cannot be eliminated,
probably by substituting with a non-hazardous waste generating alternative.
Ralph E. Cooper, Ph.D.
J.D. expected May 1999
Case Western University School of Law
San Antonio, TX 78231
From: email@example.com <firstname.lastname@example.org>
To: email@example.com <firstname.lastname@example.org>;
Date: Thursday, April 01, 1999 8:55 AM
>I was wondering if anyone might be able to help me out. We have a division
>our company that makes screens for another division of our company that
>printing. The division that makes the screens is having a problem with high
>chromium numbers. This is being caused by washing the emulsions of off the
>screen so that they can be reused. The chromium(actually chromate) is
>from the emulsion on the screens. Does anyone have any suggestions in
>eliminating this problem. We know would could precipitate it out with SO2,
>we were wondering if there was another way, other rhan chemical treatment.
>you very much.