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AW: VARIATIONS IN BACKGROUND







-----Ursprüngliche Nachricht-----

Von: owner-radsafe@list.vanderbilt.edu

[mailto:owner-radsafe@list.vanderbilt.edu]Im Auftrag von William V

Lipton

Gesendet: Donnerstag, 12. September 2002 13:46

An: JGinniver@AOL.COM

Cc: radsafe@list.vanderbilt.edu

Betreff: Re: VARIATIONS IN BACKGROUND





Please note that NCRP Report No. 45 is obsolete.  It has been superseded by

NCRP

Report No. 94, "Exposure of the Population in the United States and Canada

from

Natural Background Radiation (1987)."



----------------------------------------------------



Two questions:



1) 1987 has been "long ago" - is there a newer one availabe?



2) I the report available somewhere on the internet? (Maybe even in SI

units.....)



(Third one: Has the exposure from natural background radiation changed

dramatically during this time or is it just that new research was

added.....)





Best regardsm



Franz





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