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Re: Tokaimura fallout detection



For those of you that saw a 4th quarter increase in gross beta on your
environmental samples, wouldn't it be logical to gamma spect these filters
before implying a relationship to the Tokai event?

Mike Lantz

NOEL HANSEN wrote:

>             SUBJECT:  Tokai fallout detection in Southern California
>
>             We at San Onofre Nuclear Generating Station (San Clemente
>        CA) have
>             noted that the gross beta activity from our environmental
>        particulate
>             air samples is elevated for the collection period ending
>        October 26,
>             1999. The values average 6.4e-2 pci/m3.  This week has the
>        highest
>             average and the highest single gross beta reading since
>        June 1986 when
>             we were seeing fallout from Chernobyl.  The lag time from
>        the
>             Tokaimura accident (~ 3 weeks) is consistent with the
>        fallout lag time
>             from the Chinese weapons tests in the early 80's and from
>        the
>             Chernobyl accident.
>             Has another member seen elevated radiological
>        enviornmental monitoring
>             data from this time frame?  hansenna@songs.sce.com  Noel
>        Hansen (949)
>             368-8123
>
>
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