Fw: GBlist: Legionella and Open Radiant Heat Systems

["Dr. Carmine F. Vasile" <gfx-ch@email.msn.com>]

 CBS News Online: "Overlooking Legionnaires'
 Legionnaires' disease may kill up to 4,500 people a year, but no one knows
 for sure. Only one in five hospitals follows federal guidelines to test
 pneumonia patients for it." Quote from
 http://cbsnews.com/now/section/0,1636,3420-412,00.shtml; links to:
 http://cbsnews.com/now/story/0,1597,257730-412,00.shtml &
 http://www.hcinfo.com/outbreaks-news.htm

> ----- Original Message -----
> From: "Speireag Alden" <Joshua.M.Alden.91@alum.dartmouth.org>
> To: "Green Building List" <Joshua.M.Alden.91@alum.dartmouth.org>
> Sent: Monday, December 04, 2000 5:44 AM
> Subject: Re: GBlist: Legionella and Open Radiant Heat Systems
>
>
> > Sgrìobh Brian Hood:
> >
> > >Not to rip open the can of worms, but estimates are that 5 to 15% of
all
> > >pneumonias are directly caused by Legionella from water systems, that
> > >because only very recently have simple tests become available it is
> probable
> > >that in most cases the role of Legionella in non-cluster pneumonias is
> > >overlooked, that hospitals testing for Legionella in their own HW
systems
> > >find it 60% of the time, and that it's almost impossible to remove on a
> > >permanent basis. For one thing, no mater how hot the tank is Legionella
> will
> > >often colonize the faucet spout, shower head, or other outlet. It will
> > >migrate out into underused lines (stagnant water). Many or most of us
are
> > >already living with it.
> >
> >      Thanks for the information.  I knew that it was endemic in water
> > systems generally, and that it couldn't reach sufficiently high
> > concentration to be dangerous in cold water lines (unless they warmed
> > up quite a bit and stayed stagnant), but I didn't know how often it
> > was implicated in pneumonia.
> >
> >      I guess the lesson here is that we need to keep the pipes active.
> > I'm not concerned on that count for my situation; we have four people
> > living in 600 square feet.  All the taps get used daily.
> >
> > -Speireag.
> > --
> > Speireag Alden, aka Joshua Macdonald Alden
> > Usually found somewhere in the wilds of New Hampshire.
> > ______________________________________________________________________
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> >
>


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