[ RadSafe ] BNL tritium, etc.

[Dan McCarn]

Good to know that I can still do the calculation!

On Thu, Feb 2, 2012 at 9:08 AM, William Lipton <doctorbill34 at gmail.com>wrote:

> Isotopic specific activities are listed in DOT - PHMSA regulations, at 49
> CFR 173.435.  For tritium, the listed specific activity is 9.7 E3 Ci/g.  6
> MCi leads to 619 g, close enough for government work.  Your other
> calculations check out.
>
> Bill Lipton
> It's not about dose, it's about trust.
>
>
>
> On Thu, Feb 2, 2012 at 12:16 AM, Dan McCarn <hotgreenchile at gmail.com>
> wrote:
>
> > Hi - I was wondering about the natural tritium concentration, so I did a
> > straightforward calculation of the mass of tritium required for 6 MCi /
> > Year.  The answer that I got was a disappointing 623.6 grams / year.  Is
> > that correct?
> >
> > I then looked at the US inventory of reactor-produced tritium in 1996 -
> 75
> > kg.  So the US produced 225 kg since 1955-1996 and nature produced 41
> years
> > x 623.6 grams / year = 25.6 kg in the same time period.
> >
> > Would someone please check my calculations?
> >
> > 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 Tue, Jan 31, 2012 at 12:19 PM, <JPreisig at aol.com> wrote:
> >
> > > Dear Radsafe,
> > >
> > >
> > >        From :    _jpreisig at aol.com_ (mailto:jpreisig at aol.com)    .
> > >
> > >
> > >        Hey all,
> > >
> > >        There was a price to be paid for  the BNL tritium problem.  AUI
> > > (Associated Universities Inc.,
> > >         Harvard, Yale, Princeton,  Penn, Cornell, Columbia, Rochester,
> > > Johns Hopkins etc)
> > >         eventually lost the  contract to run/manage Brookhaven Lab.
> > >
> > >        Brookhaven Science Associates  (SUNY/Stony Brook, Contractor
> > > Organization etc.) won this
> > >        contract.
> > >
> > >        RHIC --- the Relativistic Heavy  Ion Collider, NSLS I, etc.
> > > continue to do fairly serious physics
> > >                     here in the USA.
> > >
> > >       In the High Energy physics realm, the  CERN Large Hadron Collider
> > is
> > > the place to be for
> > >       physicists.
> > >
> > >       Regards,   Joseph R. (Joe)  Preisig, PhD
> > >
> > >
> > >
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-- 
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