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Re: [permaculture] grey water and disinfecting
Chronological
Thread
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Chronological
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Thread
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From
: "Steve Read" <steveread@free.fr>
To
: "permaculture" <permaculture@lists.ibiblio.org>
Subject
: Re: [permaculture] grey water and disinfecting
Date
: Thu, 7 Jan 2010 09:13:14 +0100
Ultra-violet light at a wavelength of 240 - 280 nm is used to sterilise.
Steve
Re: [permaculture] grey water and disinfecting
,
katey culver, 01/06/2010
<Possible follow-up(s)>
Re: [permaculture] grey water and disinfecting
,
Steve Read, 01/07/2010
Re: [permaculture] grey water and disinfecting
,
Chris Wardle, 01/07/2010
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