Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

I'm new at this and I want to do my first pcb. I have a cad software,
copper board, ferric chloride, drills, ect, ect. By doing a lot of
reading I think I have a god idea on how to do it. However, of all
the webpages and articles I found on how to make a pcb non of them
talk about what to do with the left over feric chloride. I don't
think my sewage piping would like me dumping the stuff down the
toilet and neither would the enviromentalist. So, my question is,
what am I suposed to do with the feric chloride once I make my first
pcb? Do I have to take it to a collectionn falicility? Is there a way
to neutralise it so I can dump it in the drain and is so, is this
legal or good to do?