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A Hazard is any physical, biological or chemical agent that poses a threat to human health. You can get exposed to hazards due to the way you live, the job you do, or the environment you are surrounded by. This "Properties of Hazards" module has five instructional units. Follow the links above in order. Each lesson contains study material for one day. Learn more about just how close you are to environmental health hazards and how they can affect you.
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