Re: [APD] Copper

["Wise, Nicholas" <Nicholas_Wise at lgeenergy.com>]

> > Why not use CPVC? 
> 
>  From the EPA:
> 
> There are numerous concerns about the occurrence and 
> toxicological significance of various species of organotins 
> in drinking water. A recent report indicates that unlike PVC 
> systems, new CPVC systems have the potential to contaminate 
> drinking water with organotin compounds for a longer period 
> of time after installation (Forsyth and Jay 1997).
> 
> http://www.epa.gov/EPA-WATER/1998/March/Day-02/w5313.htm
 
In the same article, it is noted that organotin levels from CPVC are not
know to be harmful, but just warranting further investigation.

-Nick

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