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|  DOE-HDBK-1109-97
Radiological Safety Training for Radiation-Producing (X-Ray) Devices
Instructor=s Guide
Lesson Plan
Instructor=s Notes
Continuous direct or electronic surveillance to
prevent unauthorized entry.
A device that generates audible and visual alarms in
sufficient time to permit evacuation.
In addition to the above measures, for very high
radiation areas (areas accessible to individuals in which
radiation levels could result in an individual receiving a
dose in excess of 500 rads in 1 hour), additional
measures shall be implemented to ensure individuals
are not able to gain access.
C.
RADIOLOGICAL POSTINGS
i.
Purpose of Posting.
The two primary reasons for radiological posting
are:
1.
To inform workers of the radiological
conditions and
2.
To inform workers of the entry
requirements for an area.
ii. General Posting Requirements.
10 CFR 835.601(c)
1.
Signs contain the standard radiation
symbol colored magenta or black on a
yellow background.
2.
Signs shall be clearly and conspicuously
10 CFR 835.601(d)
posted to alert personnel to the presence
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