Job Hazard Analysis Page 17
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32This material is for training use only
11. Ergonomics. Improper lifting, lowering, pushing, pulling, and twisting can cause
strains and sprains. Hazards from poor ergonomics are the most common source of injury
in the workplace. About 45 percent of all claims are related to poor ergonomics! Risk
factors for poor ergonomics hazards exist in:
The worker – physical/mental capability, prexisting conditions, etc.
The task – work that includes high force, repetition, frequency and duration,
inappropriate posture, point of operation, contact stress, etc.
The environment – noise, temperature, humidity, color, etc.
Examples: _________________________________________________________
12. Biohazards. Exposure to plants, animals, or their products that may be infectious,
toxic, or allergenic may cause illness and disease. People who work with animals,
animal products or animal waste have a greater risk of infection. Biohazard agents
include:
Bacteria – simple, one-celled organisms may or may not be harmful.
Viruses – organisms that depend on a host cell for development and reproduction.
Fungi – may be small or large (mushroom) parasitic organisms growing in a living or
dead plant or animal matter.
Rickettsia – rod-shaped microorganisms that are smaller than bacteria and depend on a
host for development and reproduction. Microorganisms are transmitted by fleas, ticks,
and lice.
Examples:
_________________________________________________________
Job Hazard Analysis (JHA)
15
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