
Occupational Health and Hygiene Course
Master the full scope of occupational health and hygiene — from hazard recognition and exposure assessment to risk control and health surveillance. This course equips safety professionals, hygienists, and health officers with the technical knowledge and practical tools to protect workers and build compliant, effective workplace health programs.
What you will learn:
You will learn to identify and classify all major workplace hazard categories, design and execute exposure assessment strategies, and apply quantitative risk assessment methods to prioritize corrective actions. The course covers the complete hierarchy of controls, health surveillance program design, and sector-specific case studies in construction, manufacturing, and healthcare. You will also develop skills in occupational hygiene program management, internal auditing, and incident investigation. Supplementary modules address toxicology, ergonomics, psychosocial hazards, and digital data analytics tools used by modern hygiene professionals.
How you study in a practical way Occupational Health and Hygiene Course
How you practice Occupational Health and Hygiene Course
For companies who want to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Occupational Health
Foundations of Occupational Health
Lesson 1 • Legal and Regulatory Framework
Explains employer duties, worker rights, and regulatory enforcement mechanisms without referencing specific codes. Connects compliance obligations to practical workplace programs.
Lesson 2 • Occupational Disease and Injury Concepts
Distinguishes acute injuries from chronic occupational diseases and explains causation pathways. Prepares students to recognize work-relatedness when assessing health outcomes.
Lesson 3 • Defining Occupational Health and Hygiene
Introduces the scope and purpose of occupational health and industrial hygiene as disciplines. Provides the conceptual baseline for all subsequent hazard and control topics.
Lesson 4 • Hazard Categories and Classification
Covers the five primary workplace hazard categories: chemical, physical, biological, ergonomic, and psychosocial. Builds the classification vocabulary used throughout the course.
Lesson 5 • Roles in the Occupational Health Team
Maps the professional roles—hygienist, physician, nurse, safety officer—and their collaborative functions. Clarifies scope of practice boundaries relevant to course participants.
Chapter 2HideHide detailsSee detailsWorkplace Hazard Recognition
Workplace Hazard Recognition
Lesson 1 • Hazard Documentation and Reporting
Establishes standards for recording identified hazards in registers, incident logs, and inspection reports. Accurate documentation supports the risk assessment process introduced in the next chapter.
Lesson 2 • Recognizing Physical Hazards
Covers recognition of noise, vibration, radiation, temperature extremes, and illumination deficiencies. Provides sensory and instrument-based cues for initial identification.
Lesson 3 • Recognizing Chemical Hazards
Teaches identification of chemical hazards through safety data sheets, labeling systems, and process review. Builds chemical literacy needed before exposure assessment in later chapters.
Lesson 4 • Hazard Identification Methods
Introduces structured techniques—walkthroughs, job safety analysis, and checklists—for finding hazards. Anchors recognition as the first step of the anticipate-recognize-evaluate-control model.
Lesson 5 • Recognizing Biological and Ergonomic Hazards
Identifies biological agents in healthcare, agriculture, and laboratory settings alongside ergonomic risk factors. Links recognition to the specific industries where each hazard predominates.
Chapter 3HideHide detailsSee detailsExposure Assessment Principles
Exposure Assessment Principles
Lesson 1 • Exposure Assessment Framework
Introduces the anticipate-recognize-evaluate-control model with emphasis on the evaluate phase. Defines similar exposure groups and the role of professional judgment in assessment design.
Lesson 2 • Physical Agent Measurement
Addresses dosimetry and direct-reading instruments for noise, vibration, heat stress, and radiation. Calibration and quality assurance procedures are emphasized for reliable data.
Lesson 3 • Air Sampling Strategies and Methods
Covers personal, area, and source sampling approaches along with sampler selection criteria. Connects sampling design decisions to statistical validity and regulatory acceptability.
Lesson 4 • Occupational Exposure Limits
Explains time-weighted averages, short-term exposure limits, and ceiling values and their derivation basis. Students learn to select the correct limit type for a given exposure scenario.
Lesson 5 • Biological Monitoring
Introduces urine, blood, and exhaled-air biomarkers as complements to air sampling for chemical exposure. Covers specimen collection ethics, timing, and interpretation relative to biological exposure indices.
Chapter 4HideHide detailsSee detailsRisk Assessment and Prioritization
Risk Assessment and Prioritization
Lesson 1 • Risk Prioritization Techniques
Introduces ranking tools including risk matrices, Pareto analysis, and weighted scoring to sequence control actions. Prioritization links exposure data to resource allocation decisions.
Lesson 2 • Risk Assessment Fundamentals
Defines risk as the product of likelihood and consequence and distinguishes it from hazard. Establishes the risk assessment cycle as the decision-making backbone of occupational hygiene programs.
Lesson 3 • Quantitative Risk Assessment Methods
Covers exposure-based risk characterization using toxicological data, cancer slope factors, and non-cancer hazard quotients. Prepares students to communicate numerical risk estimates to management.
Lesson 4 • Risk Register Development
Guides students through building a structured risk register that captures hazard, exposure, risk level, and control status. The register becomes the management tool used in subsequent control chapters.
Lesson 5 • Vulnerable Worker Considerations
Addresses heightened risk for pregnant workers, young workers, aging workers, and those with pre-existing conditions. Adjustments to exposure limits and task assignments are discussed.
Chapter 5HideHide detailsSee detailsHazard Control Strategies
Hazard Control Strategies
Lesson 1 • Personal Protective Equipment Selection
Guides selection, fit-testing, maintenance, and limitations of respiratory, hearing, skin, and eye protection. Emphasizes that PPE protects only the wearer and requires a formal program to be effective.
Lesson 2 • Engineering Controls Design
Covers local exhaust ventilation, enclosure, isolation, and process modification as primary engineering solutions. Ventilation design principles and performance verification are included.
Lesson 3 • Control Effectiveness Verification
Teaches post-implementation exposure reassessment, visual inspection, and worker feedback as verification tools. Confirms that selected controls achieve the intended exposure reduction before closing risk register items.
Lesson 4 • Administrative Controls and Work Practices
Addresses job rotation, exposure time limits, safe work procedures, and housekeeping as administrative tools. Effectiveness depends on consistent worker compliance and supervisory enforcement.
Lesson 5 • Hierarchy of Controls Framework
Presents the five-level hierarchy—elimination, substitution, engineering, administrative, PPE—with effectiveness rankings. Establishes the principle that higher-order controls are always preferred.
Chapter 6HideHide detailsSee detailsOccupational Health Surveillance
Occupational Health Surveillance
Lesson 1 • Respiratory and Audiometric Surveillance
Details spirometry, chest imaging, and audiometry protocols for workers exposed to dusts, fumes, and noise. Interpretation thresholds and referral criteria are specified.
Lesson 2 • Principles of Health Surveillance
Defines health surveillance, its legal basis, and its distinction from general health screening. Establishes the link between identified hazards and the selection of surveillance tests.
Lesson 3 • Pre-Placement and Periodic Examinations
Covers baseline and periodic medical examinations, fitness-for-work assessments, and their documentation. Periodic exams detect trends that single assessments cannot reveal.
Lesson 4 • Biological and Dermatological Surveillance
Addresses blood lead, cholinesterase, and skin condition monitoring for chemical and biological exposures. Connects biological monitoring results to exposure assessment data from Chapter 3.
Lesson 5 • Surveillance Data Analysis and Reporting
Teaches aggregation of individual results into group trends, incidence rates, and program effectiveness metrics. Reports feed back into the risk register and control review cycle.
Chapter 7HideHide detailsSee detailsOccupational Hygiene Program Management
Occupational Hygiene Program Management
Lesson 1 • Integration with Management Systems
Explains how occupational hygiene programs align with plan-do-check-act management system frameworks. Integration avoids duplication and embeds hygiene into existing organizational processes.
Lesson 2 • Program Auditing and Continuous Improvement
Teaches internal audit planning, execution, and nonconformance management for hygiene programs. Audit findings close the management system loop and drive measurable program improvement.
Lesson 3 • Training and Competency Management
Addresses training needs analysis, delivery methods, and competency verification for hygiene-related roles. Competent workers and supervisors are the primary defense against exposure exceedances.
Lesson 4 • Program Structure and Policy Development
Covers the elements of a written occupational hygiene program: scope, policy, objectives, and accountabilities. A strong policy statement signals leadership commitment and drives resource allocation.
Lesson 5 • Incident Investigation and Root Cause Analysis
Applies systematic investigation methods—fault tree, fishbone, and five-why—to occupational health incidents. Root cause findings drive corrective actions that prevent recurrence.
Chapter 8HideHide detailsSee detailsApplied Occupational Hygiene Practice
Applied Occupational Hygiene Practice
Lesson 1 • Construction and Mining Sector Cases
Covers silica dust, asbestos, whole-body vibration, and confined space hazards in construction and mining. High-risk sector complexity reinforces advanced control and surveillance decisions.
Lesson 2 • Manufacturing and Industrial Sector Cases
Applies recognition, assessment, and control skills to metalworking, welding, and chemical processing environments. Students produce a full hazard and control report for a simulated facility.
Lesson 3 • Healthcare and Laboratory Sector Cases
Addresses biological, chemical, and ergonomic hazards specific to clinical and research laboratory settings. Infection control and sharps safety are integrated with standard hygiene methodology.
Lesson 4 • Professional Ethics and Communication
Addresses ethical obligations, conflict of interest, and clear communication of risk findings to diverse audiences. Ethical practice and effective communication are essential for professional credibility.
Lesson 5 • Capstone Risk Assessment Exercise
Students conduct a full workplace assessment—recognition, sampling design, risk rating, and control selection—for an assigned scenario. Peer review and instructor feedback finalize competency demonstration.
Your valid completion certificate
This course is for you:
Safety officers ready to deepen their occupational health technical expertise.
Industrial hygienists seeking a structured, comprehensive professional reference framework.
HR managers responsible for employee wellness and workplace compliance programs.
Nurses and physicians transitioning into occupational or workplace health roles.
Engineers who design facilities and need to understand worker exposure implications.
Career changers entering the environmental health and safety field from adjacent industries.
What our students say
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