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OCCUPATIONAL INJURIES

 AND ILLNESSESTopic 6

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Introduction

• Main goal of OSH is to prevent injuries and

illnesses at workplace

• Injuries are caused by accidental release of

energy.

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Trauma Injury and Death

•Trauma is a body wound, produced by

a sudden physical injury, as from an

accident.•Trauma happened real time unlike

illnesses

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Common Energy Sources

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Cost of Injury and Death

• Occupational injuries, illnesses and death need to pay

with compensasion, medical cost, production time.

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Identifying Health Hazards

• To prevet occupational illnesses

1) Identify health-related hazards

2) Evaluate them; and

3) Control them

• Need to focus on prevention effort by identifying the most commonly

report illnesses

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Temperature Extremes

• Cold Stress

• Blood circulation ensure that heat is balanced throughout our body.

• Extrem cold environment can be a health hazard. Body temp

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IONISING RADIATION

• Radiation release wave which ionise atoms, including the

atoms that make up ou tissue, hence affecting our health.

• Ionising radiation:

•  Alpha particles

• Beta particles

• Gamma and X-rays

• Neutron

• Unit for radiation

Radioactivity Absorbed DoseDose

EquivalentExposure

Common Units curie (Ci) rad rem roentgen (R)

SI Units becquerel (Bq) gray (Gy) sievert (Sv)coulomb/kilogra

m (C/kg)

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Hazardous Chemicals

• Certain chemical is harms and hazadous to human

• Need to take precaution in handling it.

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Material used as sheild from radiation

• Air purifying for filtering alpha particles

• Alluminium sheet blocking beta particles

• Lead to absorb gamma or x-rays

•

Thick concrete to stop neutrons penetrations