---
kind: "section"
citation: "10 C.F.R. § 835.401"
title: "10"
number: "835.401"
heading: "General requirements."
url: "https://uscodex.org/cfr/10/835.401"
---

# §835.401. General requirements.

- (a) Monitoring of individuals and areas shall be performed to:
  - (1) Demonstrate compliance with the regulations in this part;
  - (2) Document radiological conditions;
  - (3) Detect changes in radiological conditions;
  - (4) Detect the gradual buildup of radioactive material;
  - (5) Verify the effectiveness of engineered and administrative controls in containing radioactive material and reducing radiation exposure; and
  - (6) Identify and control potential sources of individual exposure to radiation and/or radioactive material.
- (b) Instruments and equipment used for monitoring shall be:
  - (1) Periodically maintained and calibrated on an established frequency;
  - (2) Appropriate for the type(s), levels, and energies of the radiation(s) encountered;
  - (3) Appropriate for existing environmental conditions; and
  - (4) **Routinely tested for operability.**

## Notes

### Amendments

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

### Authority

Authority: 42 U.S.C. 2201, 7191; 50 U.S.C. 2410.

### Source

Source: 58 FR 65485, Dec. 14, 1993, unless otherwise noted.

### Amendments

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