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DOE-HDBK-1130-98
Module 9: Radioactive Contamination Control
Instructor's Notes
3)
Minimize cross-contamination (e.g., put a glove on
a contaminated hand).
F.
Decontamination
Decontamination is the removal of radioactive
materials from locations where it is not wanted. If
removable contamination is discovered,
decontamination is the normal means of control.
EO7 Identify the normal
1.
Personnel decontamination
methods used for
decontamination.
a)
Normally accomplished using mild soap and
lukewarm water per radiological control
organization instructions.
b)
More aggressive decontamination techniques are
performed under the guidance of the Radiological
Controls Organization.
2.
Equipment and area decontamination
Equipment and area decontamination is the removal
of radioactive materials from tools, equipment,
floors, and other surfaces in the work area.
NOTE:
In some situations, decontamination is
not possible.
a.
Economic considerations: Cost of time and labor to
decontaminate the location may outweigh the
hazards of the contamination present.
b.
Radiological conditions: Radiation dose rates or
other radiological conditions may present hazards
which exceed the benefits of decontamination. The
decontamination activity may not be ALARA, in
that it costs, rather than saves personnel dose.
c.
Hazardous conditions: The physical or chemical
conditions in the area may prevent entry for
decontamination purposes.
95


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