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GBlist: Re: metal roofs for rainwater collection

Jim: Before the cistern we will be using a sediment filter. After the
cistern a slow sand filter and UV treatment (as back-up).
Jorg Ostrowski,  M. Arch. A.S. (MIT), B. Arch. (Toronto), Ecotect 
 in full-time professional practice since 1976 (Straw Bale since 1978),    
 3 demonstration projects in Canada built 1979, 1981, 1994, +80,000 visitors
 - living a conserver lifestyle & working in a sustainable home and office
Web Site [under construction]: http://www.ucalgary.ca/~jdo/ecotecture.htm

On Wed, 16 Apr 1997, James (Jim) G Hardwick CPA wrote:

> Is the metal surface safe for above?  Not sure.  Water is not a problem
> many people think about here in central Virginia, as they do, for example,
> in our favorite US Virgin Islands.
> This time of year one would need a pollen filter here.  And what about the
> damn birds, or am I newbie to think anyone would try to use it for drinking?
> I will speak to the metal roof contractor about it and report.
> jh

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