§ 835.403 - Air monitoring.  


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  • § 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 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]