Some of the physical hazards range from injurious to life threatening. This slideshow discusses what workers need to know and how to avoid these hazards.

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What are the GHS Physical Hazards?

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The Globally Harmonized
System of Classification and
Labeling of Chemicals (GHS)
provides standards for the
labeling and classification of
chemicals. Some of the
physical hazards the standard
protects against range from
injurious to life threatening
and are as follows.

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EXPLOSIVES
A substance or mixture that is
explosive is a liquid or solid
which undergoes a volatile
chemical reaction. The reaction
produces gases at
temperatures, pressure and
speed that damages
surroundings. This includes
pyrotechnic materials even if
they do not generate gases.

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This mixture produces an
effect via heat, light, sound,
smoke or gas or a mixture of all
of those effects resulting in
non-detonative and self
sustaining reaction.

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FLAMMABLE GASES
By flammable gases we mean
gases that can reach a
flammable range of 20°C and
at 101.3 kPA pressure.
Materials and mixtures that
come under this class are
based on 2 categories of
hazards which are based on
the calculation method and
results.

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AEROSOLS
Flammable aerosols include
any gas that is dissolved,
liquefied or compressed under
immense pressure in a
container that is made out of
plastic, glass or metal. The
non-refillable container also
has a release mechanism that
allows its contents to eject in
the form of liquid or solid
particles in a suspended paste,
powder, gas or foam state.

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OXIDIZING GASES
This includes any gas which
may contribute to a
combustion reaction of
another material. Substances
that come under this category
are unique since they can
contribute to the combustion
of another substance just by
providing oxygen. That is why
several hazard communication
standards perceive oxidizers as
a class of chemicals.

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PRESSURIZED GASES
Pressurized gases are kept in
containers under pressure that
does not go below 280 Pa. This
includes 4 types of gases or
mixtures which may cause
damages due to sudden
release. If released, the gases
can cause significant damage
to people, the environment or
property.

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GHS AND OSHA HAZARDOUS
COMMUNICATION
Your workers are exposed to these hazards and
more at the workplace on a regular basis.
Chemical hazards in particular can lead to
serious injuries and exposure can also prove
fatal. The GHS and OSHA Hazardous
Communication course from 360training.com
gives students a basic understanding of these
hazards and how to remain safe from them.

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https://www.osha.gov/dsg/hazcom/ghsguideoct05.pdf