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RE: Mount St Helens
I flew missions around Mt.St. Helens about a month before the big eruption
and again a few hours after the eruption to collect gases for lab analysis,
including for radon.
It's been a long time, but I seem to recall slightly elevated
concentrations of radon. If so, there would have been a transient increase
in radon daughters. I don't remember any other unusual radioactivity
associated with the eruption. Vernon Andrews
-----Original Message-----
From: RoyalH@mir.wustl.edu [SMTP:RoyalH@mir.wustl.edu]
Sent: Thursday, June 01, 2000 9:34 AM
To: Multiple recipients of list
Subject: Re: Mount St Helens
For info on the radiation dose from the Mount St. Helens eruption try
Essien, I.O., D.N. Sandoval, and P.K. Kuroda, Deposition of excess amount
of natural U from the atmosphere. Health Physics, 1985. 48(3): p. 325-31.
Soldat, J.K., et al., Radiation doses from Mount St. Helens 18 May 1980
Eruption. Science, 1981. 213(4507): p. 585.
-----Original Message-----
From: Dan Burnfield <Danb@DNFSB.GOV>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Date: Tuesday, May 30, 2000 10:41 AM
Subject: Re LANL
>The Chairman of our Board remembers talking to Dixie Rae after the Mount
St
Helens eruption and getting information regarding increased levels of
radiation from the blast. Does anyone know of any reports on this
phenomena? Your help would be greatly appreciated.
>
>Thank you
>
>Dan Burnfield, CHP PE
>
>Defense Nuclear Facilities Safety Board
>625 Indiana Ave, NW Ste. 700
>Washington, DC 20004
>
>Tel: 202.694.7113
>Fax: 202.208.6518
>Email danb@dnfsb.gov
Henry D. Royal, M.D. 314 362-2809
Division of Nuclear Medicine
Mallinckrodt Institute of Radiology
510 S. Kingshighway Blvd.
St. Louis, MO 63110
Please note my new e-mail address: <royalh@mir.wustl.edu>
Messages will forward from old address into the new year.
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