Homebrew PCBs

yes sure the ground will filter it just fine, we are talking tiny
quantities for rinsing.

I would have expected it to read "surface water" not "ground water" in
such a situation as yours. Understand it now.


ST

On 16 Mar 2008 12:07:46 -0400, DJ Delorie <dj@...> wrote:

>
> It drains into the perimeter drain for the basement, hence the sign.
> The pipe eventually ends up draining out in the woods downhill of the
> house, which is technically groundwater.  It's not ideal, but the
> septic lines are a couple of feet higher than the sink - not that I'd
> want that stuff in my septic tank.  Tanks have living biomass in them,
> you know.
>
> Mostly I wanted a source of water (hot and cold).  I use plain water
> for my woodworking stuff also.  I can also keep the water running
> while playing with the chemicals, in case something bad happens I can
> do a quick rinse.
>
> As for the rest of the chemicals - even if I rinse the pcb's off in it
> after etching, the amount of copper that goes in there is less than
> what my copper pipes are putting into the ground, and we've already
> got a ton of iron in the ground anyway.  There is sufficient distance
> between the outlet and other water systems to provide filtration.
>
> To top it all off, my wife works for a company that does water
> systems, and she says it's acceptable.  The sign is mostly to keep out
> woodworking stuff, like solvents, stains, paint thinners, oil
> finishes, etc.
>