en,
oS
ec.
Those who had ingested smaller quantities developed cancer
of the bones.
Such tumors usually developed more than
fifteen years after first exposure to the hazard
d.
Information from these cases subsequently provided valuable
data in establishing maximum permissible radiation doses
4,
Manhattan Project and AEC
a.
Excellent safety record achieved by the contractors of the
AEC and its predecessor, the Manhattan Engineering District
(1)
b.
Description of the safety record
Incidents at both AEC and private installations
(1)
Description of several incidents resulting in discernible injuries
(a)
Los Alamos decontamination accident (1957)
(vo)
Release of radioactive materials at a Texas plant
with subsequent contamination (1957)
(c)
Inadvertent plutonium criticality at Los Alamos
(1958)
Basic nature of matter (understanding of the nature of radiation
and its biological effects needed in order to comprehend how harmful
effects take place and how they can be avoided)
1.
Atomic structure
a.
Nucleus constitutes nearly all the mass and contains protons
and neutrons
(1)
Protons have positive electrical charge and are
heaviest of the particles
1-2
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