Introduction to Occupational Hygiene

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MODULE 1

Occupational Hygiene Principles
The objectives for this module are that, by the end, learners should be able to (1) classify the types of hazards workers face, (2) define “exposure” and related terms, (3) list the routes by which workers can be exposed to hazardous agents, and (4) describe the occupational hygiene framework of anticipating, recognizing, evaluating, and controlling workplace hazards.

MODULE 2

Risk Assessment Principles
The objectives for this module are that, by the end, learners should be able to (1) describe how severity of occupational hazards is expressed, (2) illustrate how hazard severity and exposure are combined to characterize risk, (3) identify strategies to assess worker exposures to potential hazards, (4) explain approaches to managing risk once it has been characterized, and (5) recognize uncertainties associated with risk management.

MODULE 3

Occupational Health and Safety Regulations and Guidelines
The objectives for this module are that, by the end, learners should be able to (1) describe the agencies and organizations that regulate occupational health and safety, (2) locate regulations and guidelines relevant to a particular workplace hazard, and (3) apply occupational exposure limits to assess exposure risks.

MODULE 4

Introduction to Aerosols
The objectives for this module are that, by the end, learners should be able to (1) define “aerosol” and related terms, (2) interpret summary properties of particle size distributions, (3) predict the relationship between aerosol source and particle size, and (4) describe approaches to measuring airborne particles.

MODULE 5

Importance of Particle Size
The objectives for this module are that, by the end, learners should be able to (1) describe how forces that cause a particle to move in air depend strongly on particle size, (2) predict the behavior of a particle based on size, (3) relate particle size to adverse health effects, and (4) explain why personal samplers use health-relevant size criteria. Animations were created by Derek Siebert and Steve Tomblin, Application Development, ITS, The University of Iowa.

Personal Sampling Interactive Activity

This is an interactive activity related to personal sampling, i.e. hanging an air sampler on workers.  Versions available for computers and mobile devices.

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