Free OHST Exam Prep
Occupational Hygiene and Safety Technician (OHST)
Pass your OHST exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
Buy on Amazon
Flashcards on MometrixExplore More BCSP Certifications
Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.
More From This Family
Videos and articles for deeper review.
OHST BCSP Certifications License: Complete Roadmap
Follow this path to maximize your chances of passing on the first try
Hazard Identification and ControlYou are here
Master hazard recognition, risk assessment methods, incident investigation, and control hierarchies. This is the largest domain at 31.4% of the exam.
Safety Programs and Industrial Hygiene
Study safety management systems, regulatory compliance (OSHA standards), chemical/biological/physical hazards, and exposure assessment. Combined 32.6% of the exam.
Communication, Training, and Business
Learn safety training development, communication techniques, basic safety math, statistics, and business calculations. Combined 23.4% of the exam.
Emergency Preparedness and Ethics
Study emergency response planning, fire prevention, security measures, BCSP Code of Ethics, and professional conduct. Combined 12.6% of the exam.
Practice Exams and Review
Complete timed 200-question practice exams within 4 hours. Focus on the heavily weighted Hazard Identification domain. Aim for 75%+ before scheduling.
Can You Take the OHST Exam?
Check if you meet the basic eligibility requirements
- •BCSP-qualified credential (such as OSHA 10/30, first aid/CPR, etc.) may be needed depending on pathway
- •Application fee $140 (non-refundable) and exam fee $300
- •App+Exam combo available for $426
- •One-year eligibility window to schedule and pass exam after approval
- •6-week mandatory waiting period between retake attempts
- •Recertification: 20 points every 5 years including 0.5 ethics points
OHST Quick Facts
Time to Get Licensed
6-10 weeks for most candidates
From start to license in hand
Retake Policy
6-week mandatory waiting period between attempts. Must pay full exam fee for each retake. No limit on total attempts.
Total Cost Breakdown
Free OHST Prep That Actually Works
The official pass rate is Not publicly disclosed by BCSP. Our students do better.
200 Practice Questions
Covers all 7 domains: hazard ID, safety programs, industrial hygiene, and more
AI-Powered Hints
Get contextual hints and wrong-answer explanations powered by Google Gemini
Updated March 2026
Aligned with the current BCSP OHST exam blueprint
100% Free
All 200 practice questions are free — no account required
What You'll Study
8 chapters covering everything you need to pass
Chapter 1: Exam Overview & Prep Strategy
2 sections
Chapter 2: Hazard Identification, Risk Assessment & Incident Investigation
5 sections
Chapter 3: Hazard Control & Safety Engineering
6 sections
Chapter 4: Safety, Health & Environmental Programs
6 sections
Chapter 5: Health Hazards & Industrial Hygiene
5 sections
Chapter 6: Organizational Communication, Training & Business
5 sections
Chapter 7: Safety Math, Emergency Preparedness & Fire Protection
4 sections
Chapter 8: Ethics & BCSP Professional Standards
3 sections
OHST Exam Details
Occupational Hygiene and Safety Technician (OHST)
Administered by Board of Certified Safety Professionals (BCSP) / Pearson VUE
Exam Content Breakdown
Based on the official Board of Certified Safety Professionals (BCSP) / Pearson VUE content outline
Identify workplace hazards, risk assessment, incident investigation, and hazard control methods including engineering and administrative controls
Safety management systems, risk management principles, regulatory compliance, and program implementation
Chemical, biological, and physical hazards, exposure assessment, and industrial hygiene sampling methods
Safety training development and delivery, communication techniques, and documentation practices
Basic math and science applications in safety, statistics, and business calculations
Emergency response planning, fire prevention systems, and workplace security measures
BCSP Code of Ethics, professional responsibility, and ethical decision-making
What's Included
8 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
I'm Ran Chen, an engineer with 20+ years of coding experience. I passed my Life Insurance license, EA exam, SIE, Series 6, 63, 65, and finally the CFP® exam.
Through all these exams, one thing became clear: exam prep is expensive. But with AI, we can change that. Quality preparation can now be free for everyone.
What's Next After the OHST?
After passing the OHST, you can pursue these career paths
ASP
Advance to Associate Safety Professional
CSP
Progress toward Certified Safety Professional
SMP
Transition to Safety Management Professional
OHST Exam FAQ
Official Board of Certified Safety Professionals (BCSP) / Pearson VUE Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free OHST Prep?
Join thousands of candidates who passed their exams using our free study materials.