Occupational Health and Safety Technician (OHST) Practice Test

79 questions available

Build your confidence for Occupational Health and Safety Technician (OHST). Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.

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Certification exam
200 Exam questions
6 hours Time Limit
Your practice
79 Practice questions
1 hour 19 minutes Practice Time
Try 5 free questions
No account needed. A free account includes 20 questions for this exam.
The bar to clear 460 Published passing score for this certification.
Official objectives from ASSP
ASSP79 practice questions

Exam overview and details

The Occupational Health and Safety Technician (OHST) Practice Test is a comprehensive assessment tool designed for safety professionals preparing for the Board of Certified Safety Professionals (BCSP) OHST certification exam. This practice test covers three core domains: Industrial Hygiene Fundamentals, Occupational Hazard Recognition, and Safety Management. Industrial Hygiene Fundamentals addresses the anticipation, recognition, evaluation, and control of workplace health hazards, including chemical, physical, biological, and ergonomic stressors. Occupational Hazard Recognition focuses on identifying unsafe conditions and behaviors across various work environments, from construction sites to manufacturing floors. Safety Management covers program development, risk assessment, training, regulatory compliance (OSHA, ANSI, NFPA), and incident investigation. This test is ideal for safety technicians, coordinators, and specialists who have at least two years of experience and seek to validate their technical knowledge. By completing this 79-question practice exam, candidates will gain a clear understanding of their strengths and weaknesses, improve their test-taking stamina, and build confidence in applying safety principles to real-world scenarios. The content mirrors the actual OHST exam's format and difficulty, providing a reliable benchmark for readiness.

Sample Questions

Choose an answer and explore the explanation to see how practice works.

Occupational Hazard Recognition

A technician is identifying OSHA's entry for bloodborne pathogens. Which choice should the OHST select?

Occupational Hazard Recognition
Scenario

A hazard recognition worksheet includes coke oven emissions.

Which answer is accurate?

Occupational Hazard Recognition
Scenario

An OHST needs a chemical guide that can search by names, synonyms, and trade names.

Which answer is accurate?

Safety Management

A supervisor says hazards should be addressed only after an injury or inspection finding. Which choice should the OHST select?

Occupational Hazard Recognition

A fit-test procedure question comes up during respirator program review. Which choice should the OHST select?

Career Opportunities & Salary

Median salary: $90,150– Occupational Health and Safety Specialists

Source: BLS Occupational Employment and Wage Statistics, May 2025 -- Occupational Health and Safety Specialists (SOC 19-5011), US national. Occupation median, not a certification salary. (2025)

Occupational Health and Safety Specialists

Exam insights and study advice

This practice test matters because the OHST credential is a recognized standard for safety technicians who directly influence workplace injury and illness rates. Mastery of these topics translates into practical skills: correctly selecting air sampling equipment for a confined space, identifying a missing machine guard before an accident occurs, or implementing a safety management system that reduces lost-time incidents by 30%. Employers rely on OHST-certified professionals to reduce liability, comply with regulations, and protect workers. Every question in this test reflects a decision you might face on the job, making your preparation directly relevant to saving lives and reducing costs.

These are the backgrounds the certifying body suggests. Check the vendor's own page for anything it formally requires.

What this exam covers

01Industrial Hygiene Fundamentals

02Occupational Hazard Recognition

03Safety Management

Exam Details OHST | $399 USD | 6 hours

Exam Code OHST
Vendor ASSP
Exam Cost $399 USD
Passing Score 460
Time Limit 6 hours
Exam questions 200
Question TypesMultiple Choice
Retake Policy 30-day waiting period between attempts. Full exam fee required for retake.
Exam Format Linear (computer-based)
Exam rules Closed-book. No notes or reference materials. Score reported on a scale of 0–800; passing score is 460. Exams are administered by BCSP (Board of Certified Safety Professionals) in partnership with ASSP.
Available In
English

Frequently Asked Questions

How many questions are on the actual OHST exam, and how does this practice test compare?

What score should I aim for on this practice test to feel ready for the real exam?

Are there calculations on the OHST exam, and does this practice test include them?

How much time should I spend on each question during the practice test?

What if I have no experience in industrial hygiene? Can I still pass this practice test?