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10 CFR § 35.2060 - Records of calibrations of instruments used to measure the activity of unsealed byproduct material.

---
identifier: "/us/cfr/t10/s35.2060"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 35.2060 - Records of calibrations of instruments used to measure the activity of unsealed byproduct material."
title_number: 10
title_name: "Energy"
section_number: "35.2060"
section_name: "Records of calibrations of instruments used to measure the activity of unsealed byproduct material."
chapter_name: "NUCLEAR REGULATORY COMMISSION"
part_number: "35"
part_name: "MEDICAL USE OF BYPRODUCT MATERIAL"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
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."
regulatory_source: "67 FR 20370, Apr. 24, 2002, unless otherwise noted."
cfr_part: "35"
---

# 35.2060 Records of calibrations of instruments used to measure the activity of unsealed byproduct material.

A licensee shall maintain a record of instrument calibrations required by § 35.60 for 3 years. The records must include the model and serial number of the instrument, the date of the calibration, the results of the calibration, and the name of the individual who performed the calibration.