Re: Homemade rust removers

[Roland Dudley <cobra@cdc.hp.com>]

> 
>       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.
>

I think you could even mix it with lots of water an pour it in your
garden without much worry. 

Roland