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Subject: Re: [Homebrew_PCBs] Re: Getting ready to switch from Ferric Chloride to ???????

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2008-10-07

As long as you don't dispose of a large amount at once in this way i don't
expect a problem.
What constitutes a "large amount" probably depends on the size of your
sewage treatment plant.

ST

On Tue, Oct 7, 2008 at 12:11 PM, Leon <leon355@...> wrote:

>
> I found this in an official doc on water quality:
>
> 20. Copper - copper is normally only found in polluted waters, although
> trace amounts are sometimes found in soft moorland waters. Normally, copper
> is found as a result of corrosion from copper and copper containing alloys
> in plumbing systems.
>
> As I said previously, there will be far more copper getting in the effluent
> from copper pipes than that in the the litre or so per year that I pour
> down
> the bog.
>
> Leon


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