South Australian Consolidated Regulations South Australian Consolidated Regulations14—Specified employer to prevent exposures above certain dose limits
(1) Subject to
subregulation (1), a specified employer must not expose, or cause, suffer or
permit the exposure of, himself or herself or a radiation worker employed by
him or her to—
(a) an
annual effective dose exceeding—
(i)
20 millisievert averaged over a period of 5 consecutive
years; or
(ii)
50 millisievert in any single year; or
(b) an
equivalent dose, during any calendar year, exceeding—
(i)
150 millisievert in the lens of the eye; or
(ii)
50 millisievert in the skin, averaged over any one square
centimetre of the skin, regardless of the total area exposed; or
(iii)
500 millisievert in the hands and feet.
(2) The Minister may,
on application by a specified employer, if satisfied that exceptional
circumstances exist, grant the specified employer permission to exceed the
annual effective dose limit prescribed by subregulation (1) subject to a
condition that—
(a) the
specified employer does not expose, or cause, suffer or permit the exposure
of, himself or herself or a radiation worker employed by him or her to
annual effective dose exceeding 20 millisievert averaged over a period of not
more than 10 consecutive years; or
(b) the
specified employer does not expose, or cause, suffer or permit the exposure
of, himself or herself or a radiation worker employed by him or her to
annual effective dose exceeding 50 millisievert for a period not exceeding 5
years.
(a) a
specified employer is pregnant; or
(b) a
radiation worker employed by a specified employer is pregnant and the worker
has informed the specified employer of the pregnancy,
the specified employer must not expose, or cause, suffer or permit the
exposure of, the unborn child in utero to an annual effective dose or
equivalent dose exceeding the limit prescribed by subregulation (4) in
relation to a member of the public.
(4) Subject to
subregulation (5), a specified employer must not expose, or cause, suffer
or permit the exposure of, a member of the public to—
(a) an
annual effective dose exceeding 1 millisievert; or
(b) an
equivalent dose, in any calendar year, exceeding—
(i)
15 millisievert in the lens of the eye; or
(ii)
50 millisievert in the skin, averaged over any one square
centimetre of the skin, regardless of the total area exposed.
(5) The Minister may,
on application by a specified employer, if satisfied that special
circumstances exist, grant the specified employer permission to exceed the
annual effective dose limit prescribed by subregulation (3) or (4)
subject to a condition that the specified employer does not expose, or cause,
suffer or permit the exposure of, an unborn child referred to in
subregulation (3) or a member of the public (as the case may require) to
an annual effective dose exceeding 1 millisievert averaged over a period of 5
consecutive years.
(6) In calculating
doses for the purposes of this regulation, the following must be disregarded:
(a)
except where directed otherwise by the Minister—doses received by a
person due to natural background radiation that has not been
technologically enhanced; and
(b)
doses received by a person participating as a volunteer in medical research
approved by the Minister under regulation 45; and
(c)
doses received by a person as a patient for the purposes of diagnosis or
treatment; and
(d)
doses received by a person (other than a radiation worker) who knowingly and
willingly supports a patient undergoing an exposure for the purposes of
diagnosis or treatment; and
(e)
doses received by a person as a result of an emergency exposure.
(7) A
specified employer must not contravene or fail to comply with a condition
imposed on a permission granted by the Minister to the specified employer
under this regulation.