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) · BGC CIH Exam Blueprint: 2021 Job Analysis, effective April 1, 2022. Supporting documents include Subject Area Definitions, revised January 26, 2022, and the equation-sheet file labeled 2026, whose cover states August 1, 2024. The workbook label 'Certified Industrial Hygienist - Occupational Health (CIH-OH)' maps to the official CIH examination; the official documents do not identify CIH-OH as a separate examination.
This original 20-question sample covers selected topics across the outline. It does not reproduce official exam questions or cover every tested topic.
- BGC CIH Exam Blueprint
- BGC Subject Area Definitions
- Useful Equations for the BGC CIH Examination
- BGC Code of Ethics
- OSHA Technical Manual: Personal Sampling for Air Contaminants
- OSHA Technical Manual: Occupational Skin Exposure
- OSHA Technical Manual: Technical Equipment—On-site Measurements
- OSHA Technical Manual: Ventilation Investigation
- OSHA Technical Manual: Heat Stress
- OSHA Technical Manual: Noise
- OSHA Technical Manual: Laser Hazards
- OSHA Technical Manual: Chemical Protective Clothing
- 29 CFR 1910.134: Respiratory Protection
- NIOSH Hierarchy of Controls
- NIOSH Understand Noise Exposure
- NIOSH Revised NIOSH Lifting Equation
- CDC Field Epidemiology Manual: Analyzing and Interpreting Data
- CDC Clinical Guidance for Carbon Monoxide Poisoning
- NIST Engineering Statistics Handbook: Lognormal Distribution
- NIOSH Silica and Worker Health
- OSHA Hazard Communication Standard: Safety Data Sheets
- EPA: What Is a HEPA Filter?
- EPA Mold Remediation in Schools and Commercial Buildings Guide: Chapter 1
- NIOSH Heat Acclimatization
- NIOSH Occupational Exposure Banding
- NIOSH Control Banding
- OSHA Leading Indicators
- OSHA Safety Management: Hazard Identification and Assessment
- OSHA Safety Management: Education and Training
- OSHA Safety Management: Program Evaluation and Improvement
Certified Industrial Hygienist (CIH) Examination
Start with 20 free questions, then review the explanations and any topics you missed.
A filter contains 0.72 mg of blank-corrected dust after sampling at a constant 2.0 L/min for 180 minutes. What is the average airborne mass concentration?
Certified Industrial Hygienist (CIH) Examination
Flashcards
Exposure Assessment Principles and Practice
Sampling quality assurance: field blanks
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