Practise Certified Industrial Hygienist (CIH) Examination with a short sample and answer explanations. These are independent learning materials, not official exam questions or a pass prediction.
Exam outline and official sources
Board for Global EHS Credentialing (BGC) · CIH Exam Blueprint based on the 2021 Job Analysis, effective April 1, 2022. The assigned workbook label uses the American Board of Industrial Hygiene (ABIH) organizational name; it maps to BGC's Certified Industrial Hygienist examination, not a separate current examination. BGC's official certification scheme contains the dated blueprint. No later replacement blueprint was established in the official sources consulted.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- Elements of the CIH Certification Scheme
- CIH Exam Blueprint
- OSHA Technical Manual: Personal Sampling for Air Contaminants
- Sampling and Analysis: Data Validation and Interpretation
- CDC Principles of Epidemiology: Measures of Association
- OSHA Technical Manual: Occupational Skin Exposure
- OSHA Technical Manual: Technical Equipment—On-Site Measurements
- OSHA Technical Manual: Noise
- NIOSH: Mold, Testing, and Remediation
- NIOSH: About Ergonomics and Work-Related Musculoskeletal Disorders
- NIOSH: Hierarchy of Controls
- OSHA Technical Manual: Ventilation Investigation
- 29 CFR 1910.134: Respiratory Protection
- OSHA Technical Manual: Chemical Protective Clothing
- NIOSH: Heat Stress Workplace Recommendations
- US EPA: Protecting Yourself from Radiation
- 29 CFR 1910.1200: Hazard Communication
- OSHA: Program Evaluation and Improvement
Certified Industrial Hygienist (CIH) Examination
Start with 20 free questions, then review the explanations and any topics you missed.
A personal air sample collects 0.72 mg of an aerosol at a constant 2.0 L/min for 180 minutes. The reported mass is already blank-corrected. What is the airborne concentration?
Certified Industrial Hygienist (CIH) Examination
Flashcards
Exposure Assessment Principles and Practice
Task 3: Sampling quality assurance
Get started with Certified Industrial Hygienist (CIH) Examination
Purchase your plan, then choose the module to enable. Your plan renews until canceled.
Monthly exam plan
$147 / month
About $4.90 per day
Enable one exam module after payment
Published questions, flashcards and study tools
Renews until canceled
Yearly exam plan
$1337 / year
About $3.66 per day
Enable one exam module after payment
Published questions, flashcards and study tools
Renews until canceled
Found an issue? See our content policy and report a correction.