General Posting Requirements

DOE-HDBK-1109-97

Radiological Safety Training for Radiation-Producing (X-Ray) Devices

Student's Guide

To inform workers of the radiological conditions and

To inform workers of the entry requirements for an area.

ii. General Posting Requirements.

Signs contain the standard radiation symbol colored magenta or black on a

yellow background.

Signs shall be clearly and conspicuously posted to alert personnel to the presence

of radiation. Signs may also include radiological protection instructions.

If more than one radiological condition exists in the same area, each condition

should be identified.

Rope, tape, chain, or similar barrier material used to designate radiological areas

should be yellow and magenta.

Physical barriers should be placed so that they are clearly visible from all

accessible directions and at various elevations.

Posting of doors should be such that the postings remain visible when doors are

open or closed.

Radiological postings that indicate an intermittent radiological condition should

include a statement specifying when the condition exists, such as

"CAUTION, RADIATION AREA WHEN RED LIGHT IS ON."

For a Radiation Area, wording on the posting shall include the words:

"CAUTION, RADIATION AREA."