---
kind: "section"
citation: "10 C.F.R. § 35.2632"
title: "10"
number: "35.2632"
heading: "Records of teletherapy, remote afterloader, and gamma stereotactic radiosurgery full calibrations."
url: "https://uscodex.org/cfr/10/35.2632"
---

# §35.2632. Records of teletherapy, remote afterloader, and gamma stereotactic radiosurgery full calibrations.

- (a) A licensee shall maintain a record of the teletherapy unit, remote afterloader unit, and gamma stereotactic radiosurgery unit full calibrations required by §§ [35.632](/cfr/10/35.632.md), [35.633](/cfr/10/35.633.md), and [35.635](/cfr/10/35.635.md) for 3 years.
- (b) The record must include—
  - (1) The date of the calibration;
  - (2) The manufacturer's name, model number, and serial number of the teletherapy, remote afterloader, and gamma stereotactic radiosurgery unit(s), the source(s), and the instruments used to calibrate the unit(s);
  - (3) The results and an assessment of the full calibrations;
  - (4) The results of the autoradiograph required for low dose-rate remote afterloader units; and
  - (5) **The signature of the authorized medical physicist who performed the full calibration.**

## Notes

### 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.