(1) The licensee or registrant shall control
the occupational dose to individual adults, except for planned special
exposures pursuant to WAC
246-221-030,
to the following dose limits:
(a) An annual
limit, which is the more limiting of:
(i) The
total effective dose equivalent being equal to 0.05 Sv (5 rem); or
(ii) The sum of the deep dose equivalent and
the committed dose equivalent to any individual organ or tissue other than the
lens of the eye being equal to 0.50 Sv (50 rem).
(b) The annual limits to the lens of the eye,
to the skin of the whole body, and to the skin of the extremities which are:
(i) A lens dose equivalent of 0.15 Sv (15
rem); and
(ii) A shallow dose
equivalent of 0.50 Sv (50 rem) to the skin of the whole body or to the skin of
any extremity.
(2) Doses received in excess of the annual
limits, including doses received during accidents, emergencies, and planned
special exposures, must be subtracted from the limits specified in WAC
246-221-030
for planned special exposures that the individual may receive during the
current year and during the individual's lifetime.
(3) When the external exposure is determined
by measurement with an external personal monitoring device, the deep-dose
equivalent must be used in place of the effective dose equivalent, unless the
effective dose equivalent is determined by a dosimetry method approved by the
NRC or the department. The assigned deep-dose equivalent must be for the part
of the body receiving the highest exposure. The assigned shallow dose
equivalent shall be the dose averaged over the contiguous ten square
centimeters of skin receiving the highest exposure. The deep dose equivalent,
lens dose equivalent, and shallow dose equivalent may be assessed from surveys
or other radiation measurements for the purpose of demonstrating compliance
with the occupational dose limits, if the individual monitoring device was not
in the region of highest potential exposure, or the results of the individual
monitoring are unavailable.
(4)
Derived air concentration (DAC) and annual limit on intake (ALI) values are
specified in WAC
246-221-290
and may be used to determine the individual's dose and to demonstrate
compliance with the occupational dose limits.
(5) Notwithstanding the annual dose limits,
the licensee shall limit the soluble uranium intake by an individual to 10
milligrams in a week in consideration of chemical toxicity.
(6) The licensee or registrant shall reduce
the dose that an individual may be allowed to receive in the current year by
the amount of occupational dose received while employed by any other person
during the current year as determined in accordance with WAC
246-221-020.
Notes
Wash. Admin. Code §
246-221-010
Amended by
WSR
14-01-077, filed 12/16/13, effective
1/16/2014
Amended by
WSR
18-21-020, Filed 10/4/2018, effective
11/4/2018
Statutory Authority:
RCW
70.98.050. 04-23-093, § 246-221-010,
filed 11/17/04, effective 12/18/04; 01-05-110, § 246-221-010, filed
2/21/01, effective 3/24/01; 94-01-073, § 246-221-010, filed 12/9/93,
effective 1/9/94. Statutory Authority:
RCW
70.98.050 and
70.98.080. 91-15-112 (Order 184),
§ 246-221-010, filed 7/24/91, effective 8/24/91. Statutory Authority:
RCW
43.70.040. 91-02-049 (Order 121), recodified
as § 246-221-010, filed 12/27/90, effective 1/31/91. Statutory Authority:
RCW
70.98.080. 87-01-031 (Order 2450), §
402-24-020, filed 12/11/86. Statutory Authority:
RCW
70.98.050. 81-01-011 (Order 1570), §
402-24-020, filed 12/8/80; Order 1095, § 402-24-020, filed 2/6/76; Order
1, § 402-24-020, filed 1/8/69; Rules (part), filed
10/26/66.
