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 §336.305 of this title (relating to Occupational Dose Limits for Adults)
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
(3) Before a planned special exposure, the licensee 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
as low as is reasonably achievable considering other risks that may be present.
(4) Before permitting an individual to participate in a planned
special exposure, the licensee ascertains prior doses as required by §336.309(b)
of this title (relating to Determination of Prior Occupational Dose) during
the lifetime of the individual for each individual involved.
(5) Subject to §336.305(b) of this title, the licensee
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 §336.305(a)
of this title in any year; and
(B) five times the annual dose limits in §336.305(a) of
this title during the individual's lifetime.
(6) The licensee maintains records of the conduct of a planned
special exposure in accordance with §336.345 of this title (relating
to Records of Planned Special Exposures) and submits a written report to the
executive director in accordance with §336.353 of this title (relating
to Reports of Planned Special Exposures).
(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 shall not be considered
in controlling future occupational dose of the individual under §336.305(a)
of this title but shall be included in evaluations required by paragraphs
(4) and (5) of this section.