[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: 10CFR835.403]

[Page 480-481]
 
                            TITLE 10--ENERGY
 
                    CHAPTER III--DEPARTMENT OF ENERGY
 
PART 835--OCCUPATIONAL RADIATION PROTECTION--Table of Contents
 
             Subpart E--Monitoring of Individuals and Areas
 
Sec. 835.403  Air monitoring.

    (a) Monitoring of airborne radioactivity shall be performed:
    (1) Where an individual is likely to receive an exposure of 40 or 
more DAC-hours in a year; or
    (2) As necessary to characterize the airborne radioactivity hazard 
where

[[Page 481]]

respiratory protective devices for protection against airborne 
radionuclides have been prescribed.
    (b) Real-time air monitoring shall be performed as necessary to 
detect and provide warning of airborne radioactivity concentrations that 
warrant immediate action to terminate inhalation of airborne radioactive 
material.

[63 FR 59683, Nov. 4, 1998]