PART 20 — STANDARDS FOR PROTECTION AGAINST RADIATION [ 10 CFR 20 ]PART20 — STANDARDS FOR PROTECTION AGAINST RADIATION [ 10 CFR 20]Table of ContentsSubpart A — General Provisions§ 20.1001 — Purpose.§ 20.1002 — Scope.[ Last FR update: 08/28/2007 ]§ 20.1003 — Definitions.[ Last FR update: 12/01/2009 ]§ 20.1004 — Units of radiation dose.§ 20.1005 — Units of radioactivity.[ Last FR update: 12/03/1991 ]§ 20.1006 — Interpretations.§ 20.1007 — Communications.[ Last FR update: 12/01/2009 ]§ 20.1008 — Implementation.[ Last FR update: 08/15/1994 ]§ 20.1009 — Information collectionrequirements: OMB approval.[Last FR update: 10/01/2007 ]Subpart B — Radiation Protection Programs§ 20.1101 — Radiation protection programs.[ Last FR update: 07/23/1998 ]Subpart C — Occupational Dose Limits§ 20.1201 — Occupational dose limits foradults.[ Last FR update:12/04/2007 ]§ 20.1202 — Compliance with requirements forsummation of external and internal dose...