Re: Homemade rust removers

[William Hartwell Woodruff <woodruff@engin.umich.edu>]

        I have been told phosphoric acid is pretty tame stuff.
I think a chemist friend once told me the EPA suggested way of
disposing of it is down the drain with lots of water.

--
William Woodruff        woodruff@caen.engin.umich.edu