TABLE I
DOSE RATE CALIBRATION OF SPECTROMETER
Peak Energy (MeV)
0.5 °
Source
Distribution
Isotope
Peak
Counts/ur/hr
pal40_1,140
Exponential
6000
Rul03-Rn103
Exponential
35000
RulO06_RA1l O06
Exponential
18000
2193 -Nb?5
Exponential
21000
x40
Uniform
59550
Bpi2zl4(y series)
Uniform
700
7T1208(Th series)
Uniform
750
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