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Page Title:
Measuring Radioactive Contamination |
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|  DOE-HDBK-1106-97
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It may be released when the surface is disturbed (buffing, grinding, using
volatile liquids for cleaning, construction, etc.).
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Over time it may "weep," leach, or otherwise become loose or transferable.
2.
Removable/transferable contamination
Removable/transferable contamination is contamination that can be readily removed
or transferred from surfaces.
o
It may be removed or transferred by casual contact, wiping, brushing, or
washing.
o
Air movement across this type of contamination could cause the contamination
to become airborne.
3.
Airborne contamination
Airborne contamination is contamination suspended in air.
This creates a particular hazard because of the possibility of intake by inhalation.
Inhalation is the most common mode of uptake of radioactive material in the working
environment. In addition to the hazard to the worker, radioactive materials may be
carried into ventilation systems, the material may be deposited on surfaces over a
large area, and there is the potential for releases outside of the facility.
C.
Measuring Radioactive Contamination
Because radioactive contamination is radioactive material, the units are the same, e.g.,
disintegrations per minute (dpm) for both.
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