Freiberg
Instruments
GmbH
ּ Am St. Niclas Schacht 13 ּ 09599 Freiberg – Germany
69 / 78
the
lexsyg
beta radiation escapes from the radiation
source module
Window of radiation source shall be covered
appropriately to minimize exposure.
Use mobile radiation shield (10 mm acrylic glass)
and wear radiation protection goggles. Use
appropriate tools.
2.3
Classification of radiation workers
Tab. 3
Estimated occupational exposure during work with the
lexsyg
Person
Annual Dose / mSv *
Effective Dose
Lens of the Eye
Extremities (Hand)
Scientist / Operator
0,4
0,4
1,6
Laboratory
Technician
0,3
0,3
0,3
Approved Expert
0,02
0,02
0,07
Annual
limit
for
members
of
the
general
public
1
15
50
* includes exposure obtained during an emergency situation
The above conservative occupational dose assessment reveals that annual dose limits
according to European Directive 96/29 EURATOM, even for members of the general public,
will not be exceeded by far (table 3).
3
System safety aspects
