[Code of Federal Regulations] [Title 10, Volume 4, Parts 500 to end] [Revised as of January 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR835.203] [Page 459-460] TITLE 10--ENERGY CHAPTER III--DEPARTMENT OF ENERGY PART 835--OCCUPATIONAL RADIATION PROTECTION--Table of Contents Subpart C--Standards for Internal and External Exposure Sec. 835.203 Combining internal and external dose equivalents. (a) The total effective dose equivalent during a year shall be determined by summing the effective dose equivalent from external exposures and the [[Page 460]] committed effective dose equivalent from intakes during the year. (b) Determinations of the effective dose equivalent shall be made using the weighting factor values provided in Sec. 835.2. [58 FR 65485, Dec. 14, 1993, as amended at 63 FR 59682, Nov. 4, 1998]