1. (a) Monitoring of individuals and areas shall be performed to:

   1. (1) Demonstrate compliance with the regulations in this part;
   2. (2) Document radiological conditions;
   3. (3) Detect changes in radiological conditions;
   4. (4) Detect the gradual buildup of radioactive material;
   5. (5) Verify the effectiveness of engineered and administrative controls in containing radioactive material and reducing radiation exposure; and
   6. (6) Identify and control potential sources of individual exposure to radiation and/or radioactive material.

2. (b) Instruments and equipment used for monitoring shall be:

   1. (1) Periodically maintained and calibrated on an established frequency;
   2. (2) Appropriate for the type(s), levels, and energies of the radiation(s) encountered;
   3. (3) Appropriate for existing environmental conditions; and
   4. (4) Routinely tested for operability.

[58 FR 65485, Dec. 14, 1993, as amended at 63 FR 59682, Nov. 4, 1998; 72 FR 31926, June 8, 2007]