12VAC5-481-690. Planned Special Exposures.
A licensee may authorize an adult worker to receive doses in addition to and accounted for separately from the doses received under the limits specified in 12VAC5-481-640 provided that each of the following conditions is satisfied:
1. The licensee authorizes a planned special exposure only in an exceptional situation when alternatives that might avoid the dose estimated to result from the planned special exposure are unavailable or impractical.
2. The licensee, and employer if the employer is not the licensee, specifically authorizes the planned special exposure in writing before the exposure occurs.
3. Before a planned special exposure, the licensee ensures that each individual involved is:
a. Informed of the purpose of the planned operation;
b. Informed of the estimated doses and associated potential risks and specific radiation levels or other conditions that might be involved in performing the task; and
c. Instructed in the measure to be taken to keep the dose ALARA considering other risks that may be present.
4. Prior to permitting an individual to participate in a planned special exposure, the licensee ascertains prior doses as required by 12VAC5-481-1020 during the lifetime of the individual for each individual involved.
5. Subject to 12VAC5-481-640 A 2, the licensee does 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:
a. The numerical values of any of the dose limits in 12VAC5-481-640 A 1 in any year; and
b. Five times the annual dose limits in 12VAC5-481-640 A 1 during the individual's lifetime.
6. The licensee maintains records of the conduct of a planned special exposure in accordance with 12VAC5-481-1030 and submits a written report in accordance with 12VAC5-481-1120.
7. The licensee 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 30 days from the date of the planned special exposure. The dose from planned special exposures is not be considered in controlling future occupational dose limits of the individual under 12VAC5-481-640 A 1 but is to be included in evaluations required by subdivisions 4 and 5 of this section.
§ 32.1-229 of the Code of Virginia.
Derived from Volume 22, Issue 25, eff. September 20, 2006; amended, Virginia Register Volume 24, Issue 18, eff. June 12, 2008; Volume 32, Issue 24, eff. August 25, 2016.
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