A licensee or registrant may authorize an adult worker to receive doses in addition to and accounted for separately from the doses received under the limits specified in WAC 246-221-010
provided that each of the following conditions is satisfied:
(1) The licensee or registrant 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 or registrant, and employer if the employer is not the licensee or registrant, specifically authorizes the planned special exposure, in writing, before the exposure occurs.
(3) Before a planned special exposure, the licensee or registrant ensures that each individual involved is:
(a) Informed of the purpose of the planned operation; and
(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 measures 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 or registrant ascertains prior doses as required by WAC 246-221-020
(2) during the lifetime of the individual for each individual involved.
(5) Subject to WAC 246-221-010
(2), the licensee or 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:
(a) The numerical values of any of the dose limits in WAC 246-221-010
(1) in any year; and
(b) Five times the annual dose limits in WAC 246-221-010
(1) during the individual's lifetime.
(6) The licensee or registrant maintains records that describe:
(a) The exceptional circumstances requiring the use of a planned special exposure;
(b) The name of the management official who authorized the planned special exposure and a copy of the signed authorization;
(c) What actions were necessary;
(d) Why the actions were necessary;
(e) What precautions were taken to assure that doses were maintained ALARA; and
(f) What individual and collective doses were expected to result.
(7) The licensee or 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 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 under WAC 246-221-010
(1) but shall be included in evaluations required by subsections (4) and (5) of this section.
(8) The licensee or registrant submits a written report in accordance with WAC 246-221-265
[Statutory Authority: RCW 70.98.050
. WSR 01-05-110, § 246-221-030, filed 2/21/01, effective 3/24/01; WSR 94-01-073, § 246-221-030, filed 12/9/93, effective 1/9/94. Statutory Authority: RCW 70.98.050
. WSR 91-15-112 (Order 184), § 246-221-030, filed 7/24/91, effective 8/24/91. Statutory Authority: RCW 43.70.040
. WSR 91-02-049 (Order 121), recodified as § 246-221-030, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 70.98.050
. WSR 81-01-011 (Order 1570), § 402-24-027, filed 12/8/80.]