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Certified Industrial Hygiene Professional (CIHP)

Name: Certified Industrial Hygiene Professional (CIHP)
Rating: 4.4 (17 reviews)

Earn Accrevia’s Certified Industrial Hygiene Professional (CIHP) certificate & prepare for external credentialing.

Created byACCREVIA International

Last updated 6/2026

English

English [Auto],

What you'll learn

Understand industrial hygiene foundations, ethics, regulations, hazard types, information resources, and the full exposure risk management process.
Explain lung anatomy, breathing, respiratory defenses, particle deposition, pulmonary impairment, and key pulmonary function tests.
Understand skin structure, functions, exposure pathways, occupational dermatoses, diagnosis, compensation, prevention, and control.
Learn ear anatomy, hearing disorders, noise effects, hearing measurement, impairment evaluation, and OSHA hearing conservation requirements.
Understand eye anatomy, visual performance, eye disorders, workplace hazards, first aid, protection standards, and vision conservation.
Apply industrial toxicology, dose-response, exposure limits, biological monitoring, and toxicological evidence to workplace health decisions.
Assess gases, vapors, and solvents through properties, exposure factors, monitoring methods, common hazards, and control measures.
Understand particulate behavior, sampling, metals, silica, asbestos, nanomaterials, biological monitoring, and high-efficiency filtration.
Evaluate industrial noise using sound principles, surveys, audiometry, control programs, and occupational noise exposure standards.
Understand ionizing radiation types, sources, biological effects, monitoring instruments, basic safety factors, and control programs.
Understand nonionizing radiation, EM fields, RF, optical radiation, lasers, lighting hazards, measurement methods, and controls.
Evaluate heat and cold stress, acclimatization, thermal comfort, performance effects, and interactions with other toxic hazards.
Apply ergonomics to work design, biomechanics, manual handling, workstation layout, fatigue, and musculoskeletal risk reduction.
Recognize biological hazards, perform biosafety risk assessment, evaluate compliance, and apply sampling, standards, and controls.
Perform exposure evaluation through walkthroughs, process review, sampling strategy, calculations, statistics, and compliance decisions.
Select air sampling methods, media, pumps, calibration techniques, and recordkeeping practices for gases, vapors, and particulates.
Use direct-reading instruments for gases, vapors, and particulates, and judge calibration, performance, cost, training, and portability.
Apply the hierarchy of controls to design, verify, and improve engineering, administrative, and PPE-based exposure controls.
Understand local exhaust ventilation principles, system components, airflow, pressure relationships, evaluation, and improvement.
Design and assess dilution ventilation systems, airflow calculations, applications, limitations, and performance measurement.
Understand indoor air quality, HVAC systems, ventilation standards, troubleshooting, thermal comfort, and IAQ control strategies.
Select, fit, use, and manage respirators through program administration, fit testing, maintenance, and OSHA requirements.
Manage PPE programs, including selection, fit, training, maintenance, and protection for eyes, face, head, hands, feet, and clothing.
Understand the industrial hygienist’s role, competencies, career paths, professional development, and workplace contribution.
Understand the safety professional’s role in inspections, investigations, training, risk management, and safety systems.
Understand how the occupational and environmental health clinician team supports prevention, surveillance, care, and return to work.
Understand the occupational medicine physician’s history, credentials, practice settings, scope, and preplacement evaluations.
Understand the occupational health nurse’s scope, standards, prevention roles, service models, and outcome evaluation.
Build and manage an industrial hygiene program through policy, assessment, participation, documentation, evaluation, and resources.
Understand integrated EHS programs, shared responsibilities, regulatory drivers, resource models, and people-profit-planet thinking.
Understand employer duties, inspections, health standards, worker rights, and the roles of OSHA, NIOSH, EPA, and state agencies.
Understand GHS, REACH, control banding, hazard communication, and international occupational safety and health systems.
Trace OSHA history from the pre-OSH Act era to recent developments, major transitions, and the agency’s evolving role.

Course content

33 sections • 339 lectures • 45h 25m total length

Introduction to Certified Industrial Hygiene Professional (CIHP)8:37
Explore the AREC methodology to anticipate, recognise, evaluate, and control workplace health hazards, from respiratory and dermal risks to aerosols, radiation, and ergonomics, earning a globally verifiable CIHP certificate.
Foundations and Evolution of Industrial Hygiene8:24
Professional Ethics and the Industrial Hygiene Profession6:33
Industrial Hygiene Program Ethics and Structure9:27
Reframe industrial hygiene as a risk-based management system guided by plan-do-check-act. Identify hazards, evaluate exposures, implement controls, verify effectiveness, and continuously improve through leadership and documentation.
Federal Regulatory Framework for Industrial Hygiene7:47
Outlines the federal regulatory framework for industrial hygiene, showing how OSHA, NIOSH, and OSHRC balance enforcement, science, and risk assessment to protect workers in mining under MSHA and general industry.
Federal Regulatory Framework for Industrial Hygiene Environmental Chemical Laws9:59
Learn how TSCA, RCRA, and CERCLA form a single lifecycle framework for industrial chemicals, from upstream data and controls to cradle-to-grave waste management and emergency response.
Workplace Environmental Factors and Hazard Categories8:10
Explore how industrial hygiene identifies workplace stressors—hazards, exposures, and risk—across chemical, physical, ergonomic, and biological categories, using instrument-based assessment and controls to protect health and performance.
Routes of Entry for Harmful Agents9:01
Airborne Contaminants and Respiratory Hazards7:40
Identify the contaminant form from the production process (dust, fume, or mist) to assess risk, address gases and vapors, and measure inhalable, thoracic, and respirable fractions.
Threshold Limit Values and Exposure Standards6:27
Explore how occupational exposure limits guide industrial hygienists to assess air quality using TWA, STEL, and ceiling limits, skin notation, and total dose assessment for real-world protection.
Hazard Evaluation and Air Sampling Basics6:43
Occupational Skin Diseases Overview10:11
Control Methods and the Hierarchy of Controls8:47
Explore the hierarchy of controls from elimination to PPE, emphasizing prevention through design, informed substitution, engineering and administrative controls, and sustainable verification to prevent hazards.
Occupational Hygiene Information Resources10:20
Organizations, Government Support, and IH Tools7:13
Connect professional bodies, IOHA, and government regulators to apply exposure limits, use AIHA resources and tools, and conduct defensible judgments; integrate integrated sampling and real-time monitoring to produce actionable reports.
Core IH Framework and Occupational Exposure Risk Management9:27

Respiratory Anatomy: Nose to Lungs8:25
Trace the nose-to-lungs journey from the conducting to the respiratory zones, and see how airway structure, filtration, and mucociliary escalator shape dose and sampling of inhalable, thoracic, and respirable particles.
Respiratory Physiology and Breathing Mechanics9:10
External, Internal, and Cellular Respiration8:00
Respiratory Hazards and Particle Deposition7:43
Natural Defenses of the Respiratory System7:47
Explore how the respiratory system defends against airborne hazards with a mucus barrier, cilia clearance, and cough reflex. Learn why preventing inhalation with engineering controls is essential.
AMA Guides and Pulmonary Impairment Rating6:27
Learn how the AMA guides translate pulmonary impairment into a defensible rating using four pillars. They cover symptoms, tests, disease pattern, and function within MMI, plus causation and apportionment.
Pulmonary Function Testing8:06

Skin Anatomy: Layers and Glands8:12
Skin Anatomy: Blood Supply, Hair, and Nails8:49
The skin, hair, and nails serve as a living record of worker exposures; understand the blood supply, signs like erythema, blanching, and edema, and patterns that reveal hazards.
Skin Physiology and Functional Roles7:32
Skin Defense, Definitions, and Incidence8:19
Explore how the skin acts as a dynamic barrier against chemicals, irritation, and allergy, and why maintaining this barrier is essential to prevent occupational skin disorders.
Chemical Causes of Occupational Skin Disease7:00
Mechanical, Physical, Biological, and Botanical Causes7:35
Predisposing Factors in Occupational Dermatoses9:25
Identify how host and exposure factors shape occupational dermatoses, emphasizing skin barrier health, early signs, proper hygiene, moisturizers, training, and individualized job adjustments for safer work.
Classification of Occupational Skin Disease I8:46
Classification of Occupational Skin Disease II7:58
Occupational Burns7:15
Diagnosis and Treatment of Occupational Dermatoses8:50
Workers’ Compensation Evaluation of Occupational Dermatoses5:49
Learn to diagnose occupational dermatoses, connect them to workplace exposures, determine four core questions—condition, work-relatedness, permanence, and limitations—and assess permanent impairment after maximal medical improvement, guiding prevention.
Prevention and Control of Occupational Skin Disease8:48

Ear Anatomy and Physiology9:17
Pathology of the External, Middle, and Inner Ear8:03
Hearing Disorders and Ototoxic Co-Exposures8:20
Hearing Process and Core Measurement Methods7:53
Explore how the ear converts sound to neural signals, how audiometry uses air and bone conduction, and how audiograms distinguish conductive, sensorineural, and mixed losses, with emphasis on calibration.
Otoacoustic Emissions and Effects of Noise Exposure8:23
Communication Impacts of Hearing Loss7:01
Understand how hearing loss disrupts workplace communication, and apply a holistic framework using audibility, intelligibility, and tools like remote microphones and captions.
AMA Guides for Hearing Impairment5:13
Apply AMA guides for hearing impairment to convert stable hearing loss into a defensible impairment rating based on four-frequency thresholds, better-ear weighting, and MMI.
OSHA Hearing Conservation Program6:44
Outline the OSHA hearing conservation program under 29 CFR 1910.95, focusing on 85 dBA action level, 90 dBA limit, baseline and annual audiograms, and ongoing monitoring.

Eye Anatomy and Binocular Vision8:24
Eye Specialists, Examinations, and Corrective Lenses8:16
Understand why occupational vision matters beyond 20/20, and how full eye exams and properly fitted ANSI safety glasses protect workers from hazards.
Visual Performance Fundamentals7:02
Assess visual performance, which depends on task context, lighting, and workspace design. Identify factors: target clarity, environment, glare, age, depth perception, color vision, and redundant cues shape safe work.
Common Eye Disorders and Disease8:04
Mechanical and Thermal Eye Hazards7:14
Radiation and Chemical Eye Hazards, First Aid, and Eyewash Standards6:20
Identify two eye hazards: optical radiation and chemical agents, and apply separate risk assessments, with immediate irrigation for chemical injuries and ANSI Z35.1 eyewash standards guiding response and equipment.
Eye Protection Standards and Applications8:27
Practical Eye Protection Issues in the Workplace7:20
Vision Conservation Program8:42
Build a comprehensive vision conservation program that prevents eye injuries and vision decline by integrating anticipation, recognition, control, screening, and proactive emergency response.
AMA Guides for Visual Impairment8:09

Core Concepts in Industrial Toxicology8:21
Explore how industrial toxicology protects worker health by preventing exposure, distinguishing toxicity, hazard, and risk, and considering quantity, form, worker physiology, and environment to guide upstream control.
Occupational Health Foundations, Causation, and Risk Concepts9:07
Explore how hazards affect the body, trace exposure to illness, and apply risk management to design safer workplaces through a systems approach to occupational health.
Occupational Epidemiology8:24
Entry into the Body and Metabolic Alteration7:59
Dose-Response Relationships9:14
Exposure Timing, Irritation, and Allergic Response9:22
Systemic Toxins: Asphyxiants and Organ-Specific Effects9:53
Understand how systemic toxins travel from absorption to organ targets like brain, heart, and kidneys, via toxicokinetics and dose, including asphyxiants and metals, and apply controls from elimination to PPE.
Carcinogenesis, Mutagenesis, and Reproductive Toxicity9:06
Basis for Workplace Standards9:46
Trace how workplace exposure standards arise from science, toxicology, and weight-of-evidence, integrating animal and human data to drive exposures as low as is reasonably practicable.
Toxicology-Related Federal Regulations I6:06
Toxicology-Related Federal Regulations II6:25
ACGIH TLVs Fundamentals8:34
ACGIH TLVs Advanced Application8:32
Learn to use tlvs as tools within a broader evidence-based framework, integrating carcinogen categories, stel and twa, and four pillars of data to drive practical exposure controls.
Occupational Exposure Limit Concepts and Interpretation7:27
OEL Application, Extended Shifts, BEIs, and Compliance Decisions9:35
Biological Testing and Biological Monitoring Basics8:46
Biological monitoring analyzes urine, blood, or breath to reveal the internal dose and uncover exposure from all routes, complementing air sampling and guiding control effectiveness.
Biological Monitoring Programme Design, Privacy, and Evaluation8:19
Sources of Toxicological Information6:54

Physical Properties of Gases, Vapors, and Solvents7:15
Solvent Behavior in the Body5:47
Track a solvent's journey through the body with ADME, from dermal absorption to brain barriers and fat storage, explaining why air monitoring may miss the true dose.
Warning Signs and Exposure Indicators6:41
Recognize warning signs as signals and remember: smell means investigate. Pursue an evidence-based investigation using process indicators, physiological indicators, and validated measurements to evaluate exposure risk.
Critical Exposure Factors10:09
Solvents and Organic Chemistry Basics8:00
Explore how industrial solvents power modern production while posing health, exposure, and fire risks. Group solvents into five families to predict hazards using molecular structure.
Hazard Classes of Gases, Liquids, Solvents, and Vapors9:54
Toxicological Effects of Gases and Vapors I5:32
Toxicological Effects of Gases and Vapors II9:24
Physiological Effects of Hydrocarbon and Oxygenated Solvents6:31
Other Factors and Air Pollution Context9:24
Hazard Evaluation and Exposure Measurement Concepts8:06
Monitoring Methods for Gases and Vapours6:45
Common Gas or Vapour Hazards I7:38
Common Gas or Vapour Hazards II7:20
Atmospheric Hazards in Confined Spaces6:55
Identify atmospheric hazards in confined spaces: oxygen imbalance, toxic vapors, and flammable atmospheres. Follow the testing sequence: oxygen first, then flammable gases, then toxic contaminants, and maintain continuous ventilation.
Emerging Monitoring Technology7:17
Hazard Control for Gases, Vapors, and Solvents7:59
Apply the hierarchy of controls to gas, vapor, and solvent hazards by eliminating or substituting risks, using engineering controls such as local exhaust ventilation, and reserving PPE as final protection.

Aerosols and Particulate Types I6:51
Explore industrial hygiene by identifying airborne particulates—dust, fibers, fume, and mists—through size, shape, density, and composition. Learn the four-step approach to anticipate, recognize, evaluate, and control exposure.
Aerosols and Particulate Types II9:03
Explore how aerosols, particle types, and aerodynamic diameter determine inhalation risk, and apply a multi-metric approach to nanoparticle assessment within the hierarchy of controls.
Particle Behavior and Filtration Mechanisms8:40
Particle Size Distributions and Exposure Determinants7:33
Analyze how particle size distributions, GM, and GSD shape exposure determinants in industrial hygiene, linking poly disperse aerosols to dose, inhalable/thoracic/respirable fractions, and particle chemistry, shape, and crystalline forms.
Biological Reactions to Particulate Exposure7:51
Particulate Sampling Overview and Inhalable/Respirable Dust8:56
Silica, Coal Dust, and Direct-Reading Particulate Sampling9:34
Microbiological, Radon, and Diesel Particulate Monitoring8:06
Size-Selective Sampling and Nanomaterials8:25
Explore size-selective sampling across inhalable, thoracic, and respirable fractions and how nanomaterials' surface area and agglomeration affect lung deposition, risk assessment, and controls.
Special Particulate Monitoring Methods8:40
Analysis of Air Samples: Metals Overview8:19
Follow the analytical pathway from field sampling to lab analysis to defensible interpretation of airborne metals, covering inhalable and respirable fractions, speciation, and robust quality control.
Toxic Metals in Workplace Particulates9:40
Free Crystalline Silica7:18
Explore free crystalline silica hazards, SiO2 forms like quartz, sample the respirable fraction, interpret results against OSHA limits, and apply the hierarchy of controls to prevent silicosis.
Asbestos7:15
Other Fibres, Particulate Analyses, and Direct-Reading Detectors7:56
Employ a data-driven approach to industrial hygiene by assessing airborne particulates, using a four-question framework to identify hazards such as MMVF, fumes, and mists, and implementing source-based controls.
Biological Monitoring and High-Efficiency Filtration8:16
Explore biological monitoring to quantify absorbed dose across routes, choose the right biomarker and matrix, and link results to engineering controls like HEPA to prevent exposure.

Sound and Noise Fundamentals I5:31
Sound and Noise Fundamentals II7:25
Occupational Damage-Risk Criteria9:15
Social and Functional Impacts of Noise, Ototoxins, and Vibration10:50
Sound Measuring Instruments8:31
Sound Surveys and Evaluation of Noise-Induced Hearing Loss7:27
Noise-Control Programs and Industrial Audiometry8:16
Noise-Exposure Regulations and Standards7:40
Explore how OSHA limits, professional guidelines like NIOSH/ACGIH, and technical standards form a cyclical system, using representative sampling, hearing conservation, and STS monitoring to prevent noise-induced hearing loss.

Core Terms in Ionizing Radiation7:31
Explore core terms in ionizing radiation, including absorbed dose (gray), equivalent and effective dose, irradiation vs contamination, and how energy, activity in becquerels, shielding, and PPE shape safety.
Types of Ionizing Radiation8:39
Decay, LET, Range, and Direct vs Indirect Ionization8:24
Sources of Ionizing Radiation8:37
Production of Radioactive Material and Contamination7:05
Address radiological hazards created by on-site processes, including activation, fission, and spallation, producing mixed radiation fields. Use containment, ventilation, PPE doffing, and 100-square-centimeter wipe tests to prevent contamination and dose.
Biological Effects of Radiation11:00
Standards and Regulatory Guides9:21
Radiation Monitoring Instruments: Personal Dosimetry8:29
Radiation Monitoring Instruments: Survey Meters, Calibration, and Bioassay8:54
Basic Radiation Safety Factors6:47

Requirements

Participants should have a basic understanding of workplace operations, safety, or technical environments, proficiency in English, and a strong interest in occupational health, exposure assessment, hazard recognition, monitoring, ventilation, control methods, and protecting workers from chemical, physical, biological, and ergonomic hazards. Prior experience in industrial hygiene is helpful but not essential.

Description

“This course contains the use of artificial intelligence.”

Certified Industrial Hygiene Professional (CIHP) is a structured professional development course for students, early-career practitioners, industrial hygienists, EHS professionals, engineers, occupational health personnel, and workplace leaders who are responsible for protecting people from harmful exposures in working environments. It is designed for learners who want a coherent pathway from foundational understanding to professional practice—moving beyond fragmented knowledge toward a disciplined, workplace-ready approach to industrial hygiene.

In today’s operating environment, industrial hygiene sits at the intersection of worker health, safety, operations, engineering, compliance, and organizational accountability. Employers are expected to recognize health hazards before harm occurs, understand how exposures happen, evaluate risk with defensible methods, apply suitable controls, and maintain records and programs that stand up to audits, inspections, and operational change. This course supports professionals who want to contribute credibly to that responsibility by developing a more systematic and prevention-focused approach to workplace health protection.

Completion of the course reflects an understanding of industrial hygiene as a continuous professional responsibility rather than a narrow technical task. Effective practice requires more than awareness of hazards; it requires judgment, discipline, and the ability to connect exposure concerns with practical action. Learners strengthen their ability to interpret workplace conditions, support monitoring and control decisions, communicate clearly with management and workers, and contribute to decisions that are technically sound, ethically responsible, and credible in practice.

The course places strong emphasis on real-world relevance: how organizations protect people through structured programs, how evidence is used to support control decisions, how technical findings are translated into action, and how workplace health protection is sustained over time through documentation, review, and continual improvement. It also reflects the multidisciplinary nature of industrial hygiene, where health protection depends on coordination across operations, safety, occupational health, engineering, and management rather than isolated effort.

For individual professionals, Certified Industrial Hygiene Professional (CIHP) provides a clear route to strengthen credibility and broaden capability in industrial hygiene, exposure assessment, hazard control, and workplace health decision-making. For organizations, it supports internal capability building, stronger integration across teams, and a more disciplined approach to protecting workers while supporting performance, compliance, and long-term accountability. Whether the goal is to build technical confidence, improve workplace health systems, or support a more mature industrial hygiene culture, Certified Industrial Hygiene Professional (CIHP) offers a clear framework for responsible professional practice.

Each lecture includes dedicated study material and an infographic summary. Learners should review the study material after watching the lecture to strengthen their understanding, and use the infographic summary for quick revision and easy recall of key concepts whenever needed.

Disclaimer: This is an independent industrial hygiene training and exam-preparation course. It is not affiliated with, endorsed by, or approved by the Board for Global EHS Credentialing® (BGC) or the owner of the Certified Industrial Hygienist® (CIH) credential. Successful completion of this course earns an Accrevia Certificate of Completion—a verifiable credential with a unique QR code and Certificate ID that employers and organizations can use to confirm authenticity.

Who this course is for:

Students, Fresh Graduates & Early-Career Learners: For learners who want a strong, structured foundation in industrial hygiene. The course helps them understand how exposure recognition, monitoring, control, occupational health, and regulations fit together in real professional practice.
Industrial Hygiene & Occupational Health Professionals: For industrial hygienists and workplace health practitioners who want a comprehensive view of anticipation, recognition, evaluation, and control across chemical, physical, biological, and ergonomic hazards.
EHS, Safety & Compliance Professionals: For EHS managers, safety officers, and compliance-focused professionals who need stronger technical depth in workplace health hazards, exposure control, standards, inspections, and regulatory responsibilities.
Engineering, Facilities, Operations & Maintenance Teams: For engineers, plant personnel, facilities teams, operations leaders, and maintenance professionals responsible for workplace conditions, process performance, ventilation, noise, radiation, thermal stress, and control systems.
Occupational Medicine, Nursing & Clinical Support Roles: For occupational physicians, occupational health nurses, and clinician teams who need a practical understanding of exposure routes, health effects, monitoring concepts, respiratory protection, and workplace health protection systems.
Consultants, Auditors & Industrial Hygiene Program Leaders: For consultants, auditors, trainers, supervisors, and program leaders who need broad technical coverage to assess hazards, guide controls, support audits, improve programs, and make better workplace health decisions.

Certified Industrial Hygiene Professional (CIHP)

What you'll learn

Explore related topics

Course content

Module 1 : Overview of Industrial Hygiene16 lectures • 2hr 15min

Module 2 : The Lungs7 lectures • 56min

Module 3 : The Skin13 lectures • 1hr 44min

Module 4 : The Ears8 lectures • 1hr 1min

Module 5 : The Eyes10 lectures • 1hr 18min

Module 6 : Industrial Toxicology18 lectures • 2hr 32min

Module 7 : Gases, Vapors, and Solvents17 lectures • 2hr 11min

Module 8 : Particulates16 lectures • 2hr 12min

Module 9 : Industrial Noise8 lectures • 1hr 5min

Module 10 : Ionizing Radiation10 lectures • 1hr 25min

Requirements

Description

Who this course is for: