Fw: Environmental levels of fallout in Background

["James Reese" <james.reese@worldnet.att.net>]

Hello All

I am sending the message below for a colleague.  Please respond directly to
him.

Thanks

James H. Reese
Health Physicist
(916) 689-2680 tel.
(916) 689-6270 fax
james.reese@worldnet.att.net
----- Original Message ----- > > ----------
> > From: Mark Franklin P Civ SMALC/EMRP
> > Sent: Wednesday, November 24, 1999 1:00 PM
> > To: 'radsafe@romulus.ehs.uiuc.edu'
> > Subject: Environmental levels of fallout in Background
> > Importance: High
> >
> >
> > Radsafers:
> >
> > I am interested in reference information (published or website
available)
> > on any background study that investigated radionuclides (fission
products)
> > concentrations in the environment associated with nuclear fallout.  We
> > performed a background study at McAFB to gather information to support
> > on-going field investigation.  Historically, McClellan and other AFBs
> > sampled nuclear fallout world wide and some aircraft were decontaminated
> > because of  minor surface contamination.
> >
> > This information is needed to answer questions that we've had from the
> > community restoration advisory board. Hopefully information will support
> > the strategy in a background study that we performed. In the background
> > study, we focused on the longer lived fission products (Cs-137 and
Sr-90)
> > because of limited funding. We have been asked why Plutonium
(239/240/241)
> > was not evaluated.
> >
> > Our rationale at the time was that 1) Plutonium levels would be in trace
> > amounts compared to the longer lived fission products, 2) The field
> > investigation would evalutate the Cs-137 levels at the site compared to
> > background to determine whether the site was impacted and to determine
> > whether additional analyses are needed (such as for Sr-90 and other
> > radionuclides), 3) The longer lived radionuclides would be the drivers
in
> > determining risk at the site.
> >
> > I would appreciate any input. Thanks!
> >
> >
> > Franklin Mark
> > Remediation Project Manager
> > McClellan AFB, CA
> > mark.franklin@email.mcclellan.af.mil
> >
> >
> >
> >
>

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