DAVID
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contributed by three events.
The maximum lm gamma exposure
rate measured in 1972 was 5 uR/hr.
The mean and range
values for the prevalent radionuclides in surface soil samples
were:
Activity
(pCi/g)
Mean
239py
Range
C.05
0.004 - 0.23
90+
0.55
0.08 - 2.6
137o,
0.39
0.03 - 1.0
60a,
0.03
0.009 - 0.14
Radionuclide
No zero points,
radioactive material burials, or other
radiological hazards are known to exist on DAVID.
Cleanup
activities will include removal of physical hazards and
structures as specified in the Engineering Plan.
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