---
kind: "section"
citation: "10 C.F.R. § 35.2432"
title: "10"
number: "35.2432"
heading: "Records of calibration measurements of brachytherapy sources."
url: "https://uscodex.org/cfr/10/35.2432"
---

# §35.2432. Records of calibration measurements of brachytherapy sources.

- (a) A licensee shall maintain a record of the calibrations of brachytherapy sources required by [§ 35.432](/cfr/10/35.432.md) for 3 years after the last use of the source.
- (b) The record must include—
  - (1) The date of the calibration;
  - (2) The manufacturer's name, model number, and serial number for the source and the instruments used to calibrate the source;
  - (3) The source output or activity;
  - (4) The source positioning accuracy within the applicators; and
  - (5) The name of the individual, the source manufacturer, or the calibration laboratory that performed the calibration.

## Notes

### Amendments

[67 FR 20370, Apr. 24, 2002, as amended at 68 FR 19326, Apr. 21, 2003]

### Authority

Authority: Atomic Energy Act of 1954, secs. 81, 161, 181, 182, 183, 223, 234, 274 (42 U.S.C. 2111, 2201, 2231, 2232, 2233, 2273, 2282, 2021); Energy Reorganization Act of 1974, secs. 201, 206 (42 U.S.C. 5841, 5846); 44 U.S.C. 3504 note.

### Source

Source: 67 FR 20370, Apr. 24, 2002, unless otherwise noted.

### Amendments

[67 FR 20370, Apr. 24, 2002, as amended at 68 FR 19326, Apr. 21, 2003]