Safety
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3.6.3 Danger from Magnetic Fields
WARNING
Risk to life due to high magnetic fields
A magnetic field of more than 0.5 mT (5 Gauss) is life-threatening for people with
pacemakers or active metal implants. Exposure to more than 8 T can cause damage to
health. Duration of exposure (8 h/day) above the limit of 200 mT can cause damage to
health. Ferromagnetic tools in the magnetic field are significantly hazardous. Disks and
electronic devices may be damaged.
u Mark the magnetic field of more than 0.5 mT (5 Gauss) before start up.
u Keep people with active medical implants or heart pacemakers away from the 0.5 mT (5
Gauss) area.
u The permanent workplace of employees must be outside the 0.5 mT (5 Gauss) area.
u Do not stay or work at magnetic fields of more than 8 T.
u Prevent exposure of more than 200 mT for more than 8 h/day.
u Keep disks, credit cards and electronic devices away from the identified area.
u Do not use ferromagnetic tools or items within the identified area.
u Only use non-ferromagnetic transportation dewars or pressure cylinders for the
cryogenic agents.
u Only use non-ferromagnetic ladders or steps.
u Remove magnetic items (jewelry, watches, pens etc.) before carrying out maintenance
work.
3.7 Environmental Protection
NOTICE
Danger to the environment from incorrect handling of pollutants!
Incorrect handling of pollutants, particularly incorrect waste disposal, may cause serious
damage to the environment.
u Always observe local environmental regulations regarding handling and disposal of
pollutants.
u Take the appropriate actions immediately if pollutants escape accidentally into the
environment. If in doubt, inform the responsible municipal authorities about the damage
and ask about the appropriate actions to be taken.
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