§ 835.203 Combining internal and external dose equivalents
§ 835.204 Planned special exposures.
(a) A planned special exposure may be authorized for a radiological
worker to receive doses in addition to and accounted for separately
from the doses received under the limits specified in § 835.202(a),
provided that each of the following conditions is satisfied:
(1) The planned special exposure is considered only in an
exceptional situation when alternatives that might prevent a
radiological worker from exceeding the limit in § 835.202(a)(1)
are unavailable or impractical;
(2) The contractor management (and employer, if the employer
is not the contractor) specifically requests the planned special
exposure, in writing; and
(3) Joint written approval from the appropriate DOE Headquarters
program office and the Assistant Secretary for Environment,
Safety and Health is received.
(b) Prior to requesting an individual to participate in an
authorized planned special exposure, the individual's dose from
all previous planned special exposures and all doses in excess
of the occupational dose limits shall be determined.
(c) An individual shall not receive a planned special exposure
that, in addition to the doses determined in § 835.204(b), would
result in a dose exceeding the following:
(1) A total effective dose equivalent of 5 rems (0.05 sievert)
in the current year; and
(2) A cumulative total effective dose equivalent of 25 rems
(d) Prior to a planned special exposure, written consent shall
be obtained from each individual involved. Each individual shall
(1) Informed of the purpose of the planned operations and
procedures to be used;
(2) Informed of the estimated doses and associated potential
risks and specific radiological conditions and other hazards
which might be involved in performing the task; and
(3) Instructed in the measures to be taken to keep the dose
ALARA considering other risks that may be present.
(e) Records of the conduct of a planned special exposure shall
be maintained and a written report submitted within 30 days
after the planned special exposure to the approving organizations
identified in § 835.204(a)(3).
(f) The dose from planned special exposures is not to be considered
in controlling future occupational dose of the individual under
§ 835.202(a), but is to be included in records and reports required
under this part.
§ 835.205 Determination of compliance for non-uniform exposure