Radiological Postings - hdbk1130cn20108

DOE-HDBK-1130-98

Module 6: Radiological Access Controls and Postings

Instructor's Notes

Report to Radiological Control personnel if

radiological controls are not adequate or are not

being followed.

B. Radiological Postings

Radiological postings are used to:

Alert personnel to the presence of radiation and

Aid in minimizing personnel dose.

Prevent the spread of contamination. In addition,

10 CFR 835 - Subpart F specifies requirements for

personnel entry controls for HR and VHR Areas.

Posting requirements

Areas and materials controlled for radiological

EO3 Identify the colors and

purposes will be designated with a magenta or

symbol used on radiological

black standard three-bladed radiological warning

postings.

symbol (trefoil) on a yellow background.

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.

The barriers should be placed to clearly mark the

boundary of the radiological areas.

Entrance points to radiologically controlled areas

should have signs or postings stating the entry

requirements, such as "Personnel Dosimeters,

RWP and Respirator Required."

In some cases, more than one radiological

See 10 CFR 835.603.

condition may be present. The area shall be

posted to include all of the radiological conditions

that are present.

In areas of ongoing work activities, the dose rate

and contamination levels (or ranges of each) may

be included in postings.

The posting will be placed where it is clearly

visible to personnel.