10 CFR 20.2101 - General provisions.

Status message

There are 3 Updates appearing in the Federal Register for 10 CFR Part 20. View below or at eCFR (GPOAccess)
prev | next
§ 20.2101 General provisions.

(a) Each licensee shall use the units: curie, rad, rem, including multiples and subdivisions, and shall clearly indicate the units of all quantities on records required by this part.

(b) In the records required by this part, the licensee may record quantities in SI units in parentheses following each of the units specified in paragraph (a) of this section. However, all quantities must be recorded as stated in paragraph (a) of this section.

(c) Not withstanding the requirements of paragraph (a) of this section, when recording information on shipment manifests, as required in § 20.2006(b), information must be recorded in the International System of Units (SI) or in SI and units as specified in paragraph (a) of this section.

(d) The licensee shall make a clear distinction among the quantities entered on the records required by this part (e.g., total effective dose equivalent, shallow-dose equivalent, lens dose equivalent, deep-dose equivalent, committed effective dose equivalent).

[56 FR 23404, May 21, 1991, as amended at 60 FR 15663, Mar. 27, 1995; 63 FR 39483, July 23, 1998]

Title 10 published on 2015-12-04

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 10 CFR Part 20 after this date.

  • 2016-12-28; vol. 81 # 249 - Wednesday, December 28, 2016
    1. 81 FR 95410 - Rulemaking Activities Being Discontinued by the NRC
      GPO FDSys XML | Text
      NUCLEAR REGULATORY COMMISSION
      Rulemaking activities; discontinuation.
      Effective December 28, 2016, the rulemaking activities discussed in this document are discontinued.
      10 CFR Parts 20 and 50

Title 10 published on 2015-12-04.

The following are only the Rules published in the Federal Register after the published date of Title 10.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2016-12-28; vol. 81 # 249 - Wednesday, December 28, 2016
    1. 81 FR 95410 - Rulemaking Activities Being Discontinued by the NRC
      GPO FDSys: XML | Text
      NUCLEAR REGULATORY COMMISSION
      Rulemaking activities; discontinuation.
      Effective December 28, 2016, the rulemaking activities discussed in this document are discontinued.
      10 CFR Parts 20 and 50