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|  DOE-HDBK-1106-97
Lesson Plan
Instructor's Notes
EO1: DISTINGUISH
I.
RADIOLOGICAL CONTAMINATION
between ionizing
A.
Comparison of Radiation and Radioactive Contamination
radiation and radioactive
contamination.
Radiation is energy, contamination is a material. Exposure
to radiation does NOT result in contamination.
B.
Types of Contamination
EO2: DEFINE fixed,
removable, and airborne
Contamination can be grouped into 3 types:
contamination.
o
Fixed.
o
Removable/transferable.
o
Airborne.
1.
Fixed contamination
Fixed contamination is contamination that cannot be
readily removed from surfaces.
o
It cannot be removed by casual contact, wiping,
brushing, or washing.
o
It may be released when the surface is
disturbed (buffing, grinding, using volatile
liquids for cleaning, construction, etc.).
o
Over time it may "weep," leach, or otherwise
become loose or transferable.
8
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