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 [Non-text portions of this message have been removed]
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Re: [Homebrew_PCBs] Re: Getting ready to switch from Ferric Chloride to ???????
2008-10-07 by Stefan Trethan