[Code of Federal Regulations]
[Title 10, Volume 1]
[Revised as of January 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR20.1902]

[Page 340-341]
 
                            TITLE 10--ENERGY
 
                CHAPTER I--NUCLEAR REGULATORY COMMISSION
 
PART 20_STANDARDS FOR PROTECTION AGAINST RADIATION--Table of Contents
 
                   Subpart J_Precautionary Procedures
 
Sec. 20.1902  Posting requirements.

    (a) Posting of radiation areas. The licensee shall post each 
radiation area with a conspicuous sign or signs bearing the radiation 
symbol and the words ``CAUTION, RADIATION AREA.''
    (b) Posting of high radiation areas. The licensee shall post each 
high radiation area with a conspicuous sign or signs bearing the 
radiation symbol and the words ``CAUTION, HIGH RADIATION AREA'' or 
``DANGER, HIGH RADIATION AREA.''
    (c) Posting of very high radiation areas. The licensee shall post 
each very high radiation area with a conspicuous sign or signs bearing 
the radiation symbol and words ``GRAVE DANGER, VERY HIGH RADIATION 
AREA.''

[[Page 341]]

    (d) Posting of airborne radioactivity areas. The licensee shall post 
each airborne radioactivity area with a conspicuous sign or signs 
bearing the radiation symbol and the words ``CAUTION, AIRBORNE 
RADIOACTIVITY AREA'' or ``DANGER, AIRBORNE RADIOACTIVITY AREA.''
    (e) Posting of areas or rooms in which licensed material is used or 
stored. The licensee shall post each area or room in which there is used 
or stored an amount of licensed material exceeding 10 times the quantity 
of such material specified in appendix C to part 20 with a conspicuous 
sign or signs bearing the radiation symbol and the words ``CAUTION, 
RADIOACTIVE MATERIAL(S)'' or ``DANGER, RADIOACTIVE MATERIAL(S).''

[56 FR 23401, May 21, 1991, as amended at 60 FR 20185, Apr. 25, 1995]