> This is a complicated matter. specifically, what are you trying to
> accomplish? In my database, I have 13,000 + different formulas for
> sensitized products. For the most part, Diazo materials are processed in
> ammonia fumes, and some sensitizers billed as diazo contain dicromates.
> dicromates can cause severe ulcers which take a long time to heal. Perhaps
> I can help if I know specifically what you are looking to achieve.
I'd like to hear more about your database!
- Wayde
(wallen@boulder.nist.gov)