[ RadSafe ] BNL tritium, etc.
doctorbill34 at gmail.com
Thu Feb 2 10:08:54 CST 2012
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.
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
> > the place to be for
> > physicists.
> > Regards, Joseph R. (Joe) Preisig, PhD
> > _______________________________________________
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