[ RadSafe ] How popular are solar homes ?
parthasarathy k s
ksparth at yahoo.co.uk
Thu Jun 22 19:05:00 CDT 2006
Dear Dr Farber,
A concerted effort to inform public on the relative radiation exposures from different activities received by population is essential. But any such move from those who support nuclear power will have an adverse effect as it will be interpreted as a "diversionary tactics". Public will continue to worry about atoms of Cs-137 in the sea; they will not bother about radon in their homes.
How popular is such solar homes? Any statistics?
----- Original Message ----
From: Stewart Farber <farbersa at optonline.net>
To: LNMolino at aol.com; radsafe at radlab.nl
Cc: Stewart Farber <radproject at optonline.net>; radpproject at aol.com
Sent: Friday, 23 June, 2006 1:33:01 AM
Subject: [ RadSafe ] Re: Thorium in gas lamps [ & Rn-222 in solar homes --risk perception in seeking the "simpler" life ]
An analogous thought to that expressed by Lou Molino about individuals
seeking the "simpler" life relates to those who will build or occupy a solar
heated home having a heat storage reservoir of 80 to 100 tons of crushed
Solar homes of this type result in amazingly high emanations of Rn-222 from
the crushed rock heat storage reservoir into the house air passing directly
through it when heat is demanded after storing the gathered BTUs during
periods of sunlight. Since these type of solar homes are built to be very
tight from an air infiltration standpoint to conserve the heat gathered by
the hot air panels, the occupants typically receive lung doses far, far
higher than uranium miners are allowed to receive under Federal regs.
So while solar home occupants in this type home received lung doses of tens
of rad or more, they worry about and put down nuclear power plants that
might result in doses to members of the general public from operation or
waste disposal from the nuclear fuel cycle in the fraction of a mrem -- a
hundred thousand to a million times lower when figuring the QF for alpha
dose to the lung from their solar home.
My calculations of the likely Rn-222 levels in solar heated homes with
crushed granite heat storage reservoirs and my contacts with Dr. John Harley
at the time at the DOE Environmental Measurments Lab, and colleagues at the
New Hampshire Department of Health led to several studies by DOE in the late
1970s showing just how elevated the Rn-222 levels were in these solar homes.
When the initial set of measurements were made in one home in Conway, NH
during the summer of 1978, with the windows open ,showed sharply elevated
Rn-222 levels, the EML wanted to arrange to do winter measurements when the
house was buttoned up tight.
The homeowner said he would not permit wintertime measurements because
accurate measurements of the actual Rn-222 levels inside a solar home would
be "inimical to solar power development".
Risk perception, and decisionmaking in Bizzaro land.
Stewart Farber, MS Public Health
radproject at aol.com
----- Original Message -----
From: <LNMolino at aol.com>
To: <radsafe at radlab.nl>
Sent: Thursday, June 22, 2006 2:13 PM
Subject: Re: [ RadSafe ] Thorium in gas lamps
> In a message dated 6/22/2006 11:54:18 A.M. Central Daylight Time,
> GRAHNk at comcast.net writes:
> They contain radioactive material and have a warning about inhaling or
> ingesting the ash.
> The sad part about that warning is that the folks that are likely to buy
> these items for "simpler" living and the like are likely never to consider
> inhaling or ingesting the ash of a burnt mantle!
> Louis N. Molino, Sr., CET
> Freelance Consultant/Trainer/Author/Journalist/Fire Protection
> LNMolino at aol.com
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