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Page Title:
Contamination Monitoring Equipment |
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|  DOE-HDBK-1130-98
b.
Respiratory protection equipment
This is used to prevent the inhalation of radioactive materials. This training course
DOES NOT qualify a worker to wear respiratory protection equipment.
E. Contamination Monitoring Equipment
1.
Purpose
Contamination monitoring equipment is used to detect radioactive contamination on
personnel and equipment.
2.
Types and uses
Hand Held Contamination Monitor:
a.
Verify instrument is in service, set to proper scale, and has functioning audio
equipment.
b.
Note background count rate at frisking station.
c.
Frisk hands before picking up the probe.
d.
Hold probe approximately inch from surface being surveyed for beta/gamma and
inch for alpha.
e.
Move probe slowly over surface, approximately 2 inches per second.
f.
Perform frisk as follows:
1)
Head (pause at mouth and nose for approximately 5 seconds).
2)
Neck and shoulders.
3)
Arms (pause at each elbow).
4)
Chest and abdomen.
5)
Back, hips, and seat of pants.
6)
Legs (pause at each knee).
7)
Shoe tops.
8)
Shoe bottoms (pause at sole and heel).
9)
Personnel and supplemental dosimetry.
g.
The whole body survey should take at least 2-3 minutes.
h.
Carefully return the probe to holder. The probe should be placed on the side or face
up to allow the next person to monitor.
75
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