[Code of Federal Regulations]
[Title 10, Volume 4]
[Revised as of January 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 10CFR835.501]

[Page 481]
 
                            TITLE 10--ENERGY
 
                    CHAPTER III--DEPARTMENT OF ENERGY
 
PART 835--OCCUPATIONAL RADIATION PROTECTION--Table of Contents
 
                    Subpart F--Entry Control Program
 
Sec. 835.501  Radiological areas.


    (a) Personnel entry control shall be maintained for each 
radiological area.
    (b) The degree of control shall be commensurate with existing and 
potential radiological hazards within the area.
    (c) One or more of the following methods shall be used to ensure 
control:
    (1) Signs and barricades;
    (2) Control devices on entrances;
    (3) Conspicuous visual and/or audible alarms;
    (4) Locked entrance ways; or
    (5) Administrative controls.
    (d) Written authorizations shall be required to control entry into 
and perform work within radiological areas. These authorizations shall 
specify radiation protection measures commensurate with the existing and 
potential hazards.
    (e) No control(s) shall be installed at any radiological area exit 
that would prevent rapid evacuation of personnel under emergency 
conditions.

[58 FR 65485, Dec. 14, 1993, as amended at 63 FR 59684, Nov. 4, 1998]