10 CFR 20.2101 - General provisions.

Beta! The text on the eCFR tab represents the unofficial eCFR text at ecfr.gov.
§ 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 2015-01-01

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

  • 2015-12-01; vol. 80 # 230 - Tuesday, December 1, 2015
    1. 80 FR 74974 - Miscellaneous Corrections
      GPO FDSys XML | Text
      NUCLEAR REGULATORY COMMISSION
      Final rule.
      This rule is effective December 31, 2015.
      10 CFR Parts 1, 2, 4, 7, 9, 11, 15, 19, 20, 21, 25, 26, 30, 32, 37, 40, 50, 51, 52, 55, 60, 61, 62, 63, 70, 71, 72, 73, 74, 76, 81, 95, 100, 110, 140, 150, 170, and 171