Document: 10 CFR Part 20
Document ID: 496fbe07-3a88-4fd9-99ef-7c21806974ec
Document Type: cfr
Title: Occupational dose limits for adults.
Source: 10 CFR Part 20
Source URL: https://www.ecfr.gov/current/title-10/part-20/section-20.1201
Revision Date: 
Chapter: 
Section ID: 20.1201
CFR Part: 20
CFR Title: 10

Content:
er radiation measurements for the purpose of demonstrating compliance with the occupational dose limits, if the individual monitoring device was not in the region of highest potential exposure, or the results of individual monitoring are unavailable. ( d ) Derived air concentration (DAC) and annual limit on intake (ALI) values are presented in table 1 of appendix B to part 20 and may be used to determine the individual's dose (see § 20.2106 ) and to demonstrate compliance with the occupational dose limits. ( e ) In addition to the annual dose limits, the licensee shall limit the soluble uranium intake by an individual to 10 milligrams in a week in consideration of chemical toxicity (see footnote 3 of appendix B to part 20). ( f ) The licensee shall reduce the dose that an individual may be allowed to receive in the current year by the amount of occupational dose received while employed by any other person (see § 20.2104(e) ). [ 56 FR 23396 , May 21, 1991, as amended at 60 FR 20185 , Apr. 25, 1995; 63 FR 39482 , July 23, 1998; 67 FR 16304 , Apr. 5, 2002; 72 FR 68059 , Dec. 4, 2007]