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>>>B and W chemical are far less toxic than color chemistry. ( I
did teach in a
Physic Dept.) And in case you don't know history the first color pictures were made with black and white film. >>> The point was not how toxic b/w is; it was what might happen when
Kodachrome is developed in b/w chemistry. I do not know either way and I
doubt you do either. No offence. I will give you the effluents are probably not
all that toxic if disposed of properly.
By the way, I am quite familiar with early color. Kodachrome is a black and
white film as is the Technicolor IB process. Your point has nothing to do with
the issue.
Bob
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