NAVAL RESEARCH LABORATORY
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DECEMBER
1954
7
JANUARY
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" GUMMED PAPER
1
AIR FILTER COLLECTIONS ( DISINTEGRATIONS /MINUTE /FT>)
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MARCH
1955
Fig. 1 - Comparison of daily concentrations of fission products collected by
fu
ee
s
C04.
gummed paper andair filters
wee
ately men: