Document: 10 CFR Part 20
Document ID: 7dff879c-e38a-463f-9460-07edc2517bf8
Document Type: cfr
Title: Determination of prior occupational dose.
Source: 10 CFR Part 20
Source URL: https://www.ecfr.gov/current/title-10/part-20/section-20.2104
Revision Date: 
Chapter: 
Section ID: 20.2104
CFR Part: 20
CFR Title: 10

Content:
. 8, 1992; 60 FR 20186 , Apr. 25, 1995; 60 FR 36043 , July 13, 1995; 72 FR 68059 , Dec. 4, 2007] Footnotes - 20.2104 [ 4 ] Licensees are not required to partition historical dose between external dose equivalent(s) and internal committed dose equivalent(s). Further, occupational exposure histories obtained and recorded on NRC Form 4 before January 1, 1994, might not have included effective dose equivalent, but may be used in the absence of specific information on the intake of radionuclides by the individual.