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Title 10 Part 20 → Subpart L → §20.2101

Title 10 → Chapter I → Part 20 → Subpart L → §20.2101

Electronic Code of Federal Regulations e-CFR

Title 10 Part 20 → Subpart L → §20.2101

e-CFR data is current as of October 17, 2019

Title 10Chapter IPart 20Subpart L → §20.2101


Title 10: Energy
PART 20—STANDARDS FOR PROTECTION AGAINST RADIATION
Subpart L—Records


§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]


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