---
kind: "unit"
title: "10"
title_heading: "Energy"
key: "chI/part20"
level: "part"
label: "Part 20"
heading: "Standards for Protection Against Radiation"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/10/chI-part20"
sections_count: 72
---

# Part 20 — Standards for Protection Against Radiation

Title 10 C.F.R. — Energy › Chapter I — Nuclear Regulatory Commission

## Contents

- [Subpart A — General Provisions](/cfr/10/chI-part20-subpartA.md)
- [Subpart B — Radiation Protection Programs](/cfr/10/chI-part20-subpartB.md)
- [Subpart C — Occupational Dose Limits](/cfr/10/chI-part20-subpartC.md)
- [Subpart D — Radiation Dose Limits for Individual Members of the Public](/cfr/10/chI-part20-subpartD.md)
- [Subpart E — Radiological Criteria for License Termination](/cfr/10/chI-part20-subpartE.md)
- [Subpart F — Surveys and Monitoring](/cfr/10/chI-part20-subpartF.md)
- [Subpart G — Control of Exposure From External Sources in Restricted Areas](/cfr/10/chI-part20-subpartG.md)
- [Subpart H — Respiratory Protection and Controls To Restrict Internal Exposure in Restricted Areas](/cfr/10/chI-part20-subpartH.md)
- [Subpart I — Storage and Control of Licensed Material](/cfr/10/chI-part20-subpartI.md)
- [Subpart J — Precautionary Procedures](/cfr/10/chI-part20-subpartJ.md)
- [Subpart K — Waste Disposal](/cfr/10/chI-part20-subpartK.md)
- [Subpart L — Records](/cfr/10/chI-part20-subpartL.md)
- [Subpart M — Reports](/cfr/10/chI-part20-subpartM.md)
- [Subpart N — Exemptions and Additional Requirements](/cfr/10/chI-part20-subpartN.md)
- [Subpart O — Enforcement](/cfr/10/chI-part20-subpartO.md)