Section 835.202 - Occupational dose limits for general employees(a) Except for planned special exposures conducted consistent with § 835.204 and emergency exposures authorized in accordance with § 835.1302 , the occupational dose received by general employees shall be controlled such that the following limits are not exceeded in a year:(1) A total effective dose of 5 rems (0.05 Sv);(2) The sum of the equivalent dose to the whole body for external exposures and the committed equivalent dose to any organ or tissue other than the skin or the lens of the eye of 50 rems (0.5 Sv);(3) An equivalent dose to the lens of the eye of 15 rems (0.15 Sv); and(4) The sum of the equivalent dose to the skin or to any extremity for external exposures and the committed equivalent dose to the skin or to any extremity of 50 rems (0.5 Sv).(b) All occupational doses received during the current year, except doses resulting from planned special exposures conducted in compliance with § 835.204 and emergency exposures authorized in accordance with § 835.1302 , shall be included when demonstrating compliance with §§ 835.202(a) and 835.207 .(c) Doses from background, therapeutic and diagnostic medical radiation, and participation as a subject in medical research programs shall not be included in dose records or in the assessment of compliance with the occupational dose limits.58 FR 65485, Dec. 14, 1993, as amended at 63 FR 59682, Nov. 4, 1998; 72 FR 31926 , June 8, 2007