South Australian Consolidated Regulations South Australian Consolidated Regulations6—Application of regulations to apparatus
These regulations do not apply to or in relation to apparatus that produces
ionising radiation incidental to its function (including electron microscopes
and apparatus containing a cathode ray tube or an electronic valve) if the
apparatus does not, in normal operating conditions, cause an equivalent dose
rate exceeding 1 microsievert per hour at a distance of 0.1 metre from any
accessible surface of the apparatus.