Zeiss METROTOM 1500 G3, Operating Instructions Manual, Page: 22 / 120

Safe operation of the CT system
2-4
61211-8140502 METROTOM 1500 G3 1.4
The Radiation Protection Act and the Radiation Protection Ordinance
only apply to Germany. There are different regulations in other coun-
tries.
Comparison values of exposure to radiation
Type of exposure Equivalent dose Comment
METROTOM (outside area) 1 mSv/a 2000 hours exposure duration
Thoracic exposure approx. 0.1 mSv per radio-
graph
CT screening 5 mSv per screening Several screenings are generally
needed.
Deep X-ray therapy 1 Sv per irradiation Several irradiations are generally
needed.
Exposure to radiation of aircrew 3 mSv/a (world, averaged)
6 mSv/a (northern hemi-
sphere) 1000 hours exposure duration
Natural exposure to radiation 2.5 mSv/a Germany
Civilizatory exposure to radiation 2.5 mSv/a Germany
Requirements for the operator
Requirements for the operation of a CT system
There are special requirements for the operation of a CT system depend-
ing on country. These requirements must be met.
In general, this includes registration with the respective X-ray regulatory
authority, and acceptance by a specialist.
Germany
The following specifications refer to the operation of X-ray devices in the
Federal Republic of Germany. In other countries, there are correspond-
ing regulations which must be complied with by the operator.
NOTE
Operation of the METROTOM is subject to licensing in accordance with
Sec. 12 of the Radiation Protection Act.
The following measures must be implemented by the operator to obtain
an operating license: