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Entry, Work In, and Exit from High Radiation Areas cont'd - hdbk-1130-98_ch10129
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DOE-HDBK-1130-98
Module 9: Radioactive Contamination Control
Instructor's Notes
D.
Access Controls for High and Very High
Radiation Areas
There are different controls that are used to prevent
the inadvertent entry or unauthorized access into
Radiological Areas. The following identifies
administrative and physical controls that are used
for HRAs.
EO4 State the administrative
and physical controls for
1.
Administrative controls
access to HRAs.
The following are administrative controls that may
be used to control access to HRAs. These are used
in addition to physical controls.
a.
Formal radiological reviews.
b.
RWPs.
c.
Pre-job briefings.
d.
Procedures.
e.
f.
Administrative control levels (ACLs).
g.
(Insert facility-specific information.)
2.
Physical controls
EO4 State the administrative
and physical controls for
One or more of the following features should be
access to HRAs.
used for each entrance or access point to an HRA
and shall be used for HRAs >1 rem in any one hour.
It should be noted again that no controls shall be
established in an HRA or VHRA that would prevent
rapid evacuation of personnel.
a.
A control device that prevents entry or upon entry
causes the radiation level to be reduced below that
level defining an HRA.
b.
An automatic device that prevents use or operation
of the radiation source.
c.
A control device that energizes a visible or audible
alarm.
82


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