Current through Register Vol. 48, No. 10, October 25, 2024
Section 61-64.III.RHB 3.6 - Planned Special ExposuresA registrant may authorize an adult worker to receive doses in addition to and accounted for separately from the dose received under the limits specified in RHB 3.4 provided that each of the following conditions are satisfied:
3.6.1 The registrant authorizes a planned special exposure only in an exceptional situation when alternatives that might avoid the higher exposure are unavailable or impractical.3.6.2 The registrant, and employer if the employer is not the registrant, specifically authorizes the planned special exposure, in writing, before the exposure occurs.3.6.3 Before a planned special exposure, the registrant ensures that each individual involved is: 3.6.3.1 Informed of the purpose of the planned operation;3.6.3.2 Informed of the estimated doses, associated potential risks, and specific radiation levels or other conditions that might be involved in performing the task; and3.6.3.3 Instructed in the measures to be taken to keep the dose ALARA considering other risks that may be present.3.6.4 Prior to permitting an individual to participate in a planned special exposure, the registrant ascertains prior doses as required by RHB 3.20 during the lifetime of the individual for each individual involved.3.6.5 Subject to RHB 3.4.2, the registrant shall not authorize a planned special exposure that would cause an individual to receive a dose from all planned special exposures and all doses in excess of the limits to exceed:3.6.5.1 The numerical values of any of the dose limits in RHB 3.4.1 in any year; and3.6.5.2 Five (5) times the annual dose limits in RHB 3.4.1 during the individual's lifetime.3.6.6 The registrant maintains records of the conduct of a planned special exposure in accordance with RHB 3.21 and submits a written report in accordance with RHB 3.26.3.6.7 The registrant records the best estimate of the dose resulting from the planned special exposure in the individual's record and informs the individual, in writing, of the dose within thirty (30) calendar days from the date of the planned special exposure. The dose from planned special exposures shall not be considered in controlling future occupational dose of the individual pursuant to RHB 3.4.2.S.C. Code Regs. § 61-64.III.RHB 3.6
Replaced and amended by State Register Volume 40, Issue No. 06, eff. 6/24/2016; State Register Volume 47, Issue No. 05, eff. 5/26/2023.