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- Liquid Nitrogen Safety -
HANDLING LIQUID NITROGEN
Personnel handling liquefied gases should be thoroughly
instructed as to the nature of these materials. Proper training
is essential to safety, and will ensure the accident-free use of
this equipment.
Because of their low temperatures, liquefied gases will burn
the skin much in the same way as hot liquids can. For this reason,
always wear the proper protective clothing when handling
these materials. It is advised that during use, handlers of liquid
nitrogen should protect themselves by wearing goggles or face
shields, cryogenic gloves large enough to allow quick removal
and a cryogenic apron. It is preferable that shoes worn at these
times have high tops, as to not permit accidentally spilled liquid
from entering, as well as pant legs which come down over the
tops of shoes for further protection.
Also because of the extremely low temperatures, liquid nitrogen
should only be handled and transported in approved containers.
Many materials become brittle and may shatter when put into
contact with liquid nitrogen and other cryogenic liquids.
FIRST AID
In the event a person is burned by liquefied gas, the following
first aid treatment should be given while awaiting the arrival of
medics or a doctor:
1) If the material has contacted skin or eyes, flood those areas
with large quantities of unheated water and protect frozen
areas with loose, bulky, dry and sterile dressings.
2) If the skin is blistered or there is a chance that the eyes have
been affected, seek medical help immediately.
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