Radiological Training for Tritium Facilities
MODES OF EXPOSURE AND BIOLOGICAL
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BEHAVIOR OF TRITIUM - How can I be exposed to
tritium and what would it do to me?
A. External Dose
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Tritium is not an external hazard.
The tritium beta when it is
Tritium is not a dose concern if it is
stopped (particularly in high
located outside the body.
atomic numbered materials,
e.g., lead) will produce a low
Tritium betas will not penetrate a
energy x-ray. This x-ray
cannot penetrate into the body,
because of the low energy of
We are interested only in tritium inside
There may be rare
circumstances where external
dose should be considered (i.e.,
using large quantities of
Tritium is an "internal" radiation hazard.
Modes of Exposure
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Tritium can deliver a radiation dose if it gets
inside our bodies. Modes of entry include: