---
kind: "section"
citation: "10 C.F.R. § 35.2643"
title: "10"
number: "35.2643"
heading: "Records of periodic spot-checks for remote afterloader units."
url: "https://uscodex.org/cfr/10/35.2643"
---

# §35.2643. Records of periodic spot-checks for remote afterloader units.

- (a) A licensee shall retain a record of each spot-check for remote afterloader units required by [§ 35.643](/cfr/10/35.643.md) for 3 years.
- (b) The record must include, as applicable—
  - (1) The date of the spot-check;
  - (2) The manufacturer's name, model number, and serial number for the remote afterloader unit and source;
  - (3) An assessment of timer accuracy;
  - (4) Notations indicating the operability of each entrance door electrical interlock, radiation monitors, source exposure indicator lights, viewing and intercom systems, and clock and decayed source activity in the unit's computer; and
  - (5) The name of the individual who performed the periodic spot-check and the signature of the authorized medical physicist who reviewed the record of the spot-check.
- (c) A licensee shall retain a copy of the procedures required by [§ 35.643(b)](/cfr/10/35.643.md?p=b) until the licensee no longer possesses the remote afterloader unit.

## 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.