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|  DOE-HDBK-1130-98
m. Authorizing signatures and unique identifying designation or number.
4.
Responsibilities of the worker when using an RWP
a.
Workers must read and comply with the RWP requirements.
b.
Workers must acknowledge they have read, understood, and agreed to comply with the
RWP prior to entering the area and after any revision to the RWP. This is done by
signature or through electronic means.
c.
Radiological Control or a supervisor should be contacted prior to work if the RWP
appears to be incorrect or is difficult to understand.
d.
Do not make substitutions for specified requirements.
e.
Report to Radiological Control personnel if radiological controls are not adequate or are
not being followed.
B.
Radiological Postings
1.
Radiological postings are used to:
a.
Alert personnel to the presence of radiation and radioactive materials.
b.
Aid in minimizing personnel dose.
c.
Prevent the spread of contamination.
In addition, 10 CFR 835, Subpart F, specifies requirements for personnel entry controls for
HR and VHR Areas.
2.
Posting requirements
a.
Areas and materials controlled for radiological purposes will be designated with a
magenta or black standard three-bladed radiological warning symbol (trefoil) on a yellow
background.
b.
Fixed barriers such as walls, rope, tape, or chain will designate the boundaries of posted
areas. Where possible, the barriers will be yellow and magenta in color.
c.
The barriers should be placed to clearly mark the boundary of the radiological areas.
d.
Entrance points to radiologically controlled areas should have signs or postings stating
the entry requirements, such as "Personnel Dosimeters, RWP and Respirator Required."
e.
In some cases, more than one radiological condition may be present. The area shall be
posted to include all of the radiological conditions that are present.
f.
In areas of ongoing work activities, the dose rate and contaminatio n levels (or ranges of
each) may be included in postings.
g.
The posting will be placed where it is clearly visible to personnel.
51
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