Safety
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2.8.1 Fire Department Notification
It is recommended that the magnet operator introduce the fire department and/or local
authorities to the magnet site. It is important that these organizations be informed of the
potential risks of the magnet system, e.g. that much of the magnetic rescue equipment
(oxygen-cylinders, fire extinguishers, axe's etc.) can be hazardous close to the magnet
system. In addition, their expertise and experience can be invaluable in creating an
Emergency plan.
• In a NMR laboratory use only non-magnetic fire extinguishers.
• Breathing equipment which uses oxygen tanks made out of magnetic material can be life
threatening when used close to a magnet system which is energized.
• During a quench helium gas escaping from the system must not be mistaken for smoke.
Instruct the fire department and technical service not to „extinguish“ the magnet system
with water. The outlet valves could freeze over the quench valves eventually do not close
again.
• Laboratory windows which are accessible during an emergency must be clearly marked
with warning signs, visible from the outside.
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