Estabrooks, H Bates (IHK) estabrookshb at y12.doe.gov
Thu Apr 11 05:01:19 CDT 2013

```Who'd have known?  You never know what learning opportunities await each day.  :-)

-----Original Message-----
From: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Dan McCarn
Sent: Thursday, April 11, 2013 1:18 AM
To: The International Radiation Protection (Health Physics) Mailing List

Now you've gone and done it!  And there is a gravity to the situation that
you've overlooked.  The milligal is already well defined!

The *gal*, sometimes called *galileo*, (symbol *Gal*) is a unit of
acceleration <http://en.wikipedia.org/wiki/Acceleration> used extensively
in the science of gravimetry
<http://en.wikipedia.org/wiki/Gravimetry>.[1]<http://en.wikipedia.org/wiki/Gal_(unit)#cite_note-1>
[2] <http://en.wikipedia.org/wiki/Gal_(unit)#cite_note-SIbrochure-2>[3]<http://en.wikipedia.org/wiki/Gal_(unit)#cite_note-3>
The
gal is defined as 1 centimeter per second squared (1 cm/s2). The
*milligal* (mGal)
and *microgal* (µGal) refer respectively to one thousandth and one
millionth of a gal.

Dan ii

Dan W McCarn, Geologist
108 Sherwood Blvd
Los Alamos, NM 87544-3425
+1-505-672-2014 (Home - New Mexico)
+1-505-670-8123 (Mobile - New Mexico)
HotGreenChile at gmail.com (Private email) HotGreenChile at gmail dot com

On Wed, Apr 10, 2013 at 6:36 AM, <dlawrencenewyork at aol.com> wrote:

> Yes, doesn't
>
>
> 1 milliGal = 3.78541E-03L
>
>
> :)
>
>
> Best Regards,
> David
>
>
>
>
> -----Original Message-----
> From: Estabrooks, H Bates (IHK) (IHK) <estabrookshb at y12.doe.gov>
> To: The International Radiation Protection (Health Physics) Mailing List <
> Sent: Wed, Apr 10, 2013 5:01 am
>
>
> Is this unit gender-dependent?  Are there milliGals?
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu [mailto:
> On Behalf Of Nick Tsurikov
> Sent: Tuesday, April 09, 2013 11:43 PM
> To: The International Radiation Protection (Health Physics) Mailing List
>
> Dear friends and colleagues,
> It is not too often that I find radiation protection and other official
> government documents humorous, in fact we don't have much of it in our
> profession...
> I thought that it will be interesting for many people to discover that
> (most likely due to  some king of typographical error) the new radiation
> measurement unit has been introduced in Western Australia, called
> "milliGuys".
> You can see/download the document 'Uranium in Western Australia; from the
> website of our Department of Mines and Petroleum, here:
> http://www.dmp.wa.gov.au/9997.aspx
> On page 40 (the last one) in 'U Facts' box on the bottom it says:
> "...evacuees from Chernobyl averaged 500 milliGuys of exposure to the
> thyroid, all 1080 evacuees screened for thyroid exposure in Fukushima had
> been exposed to less than 100 milliGuys per person."
> I wonder...  This present some funny pictures in my head...  I am also
> curious what KiloGuys or MegaGuys will look like and if one can see
> microGuys and nanoGuys under a microscope...
> Greetings from Western Australia
> Nick Tsurikov
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