Are you ready to take your safety career to the next level and become a certified Occupational Hygiene & Safety Technician?

If you’re pursuing the OHST credential, you know workplace safety is more than compliance, it’s about protecting lives and strengthening safety culture. But passing the OHST exam requires comprehensive knowledge, practical understanding, and strategic preparation.

The OHST Exam Prep: Your Complete Preparation for Occupational Hygiene & Safety Technician Certification gives you the tools to succeed. This guide walks you through all core exam domains, including hazard identification, risk assessment, chemical and biological hazards, physical agents, noise and vibration control, emergency planning, fire protection, PPE selection, ventilation, confined spaces, and regulatory compliance. Clear explanations and real-world examples help you understand and apply concepts effectively.

Inside, you’ll find:

• Full coverage of all OHST exam domains.
• Explanations of key concepts such as exposure limits (PEL, REL, TLV), hazard matrices, root cause analysis, and documentation.
• Practical guidance on safety leadership, employee involvement, and building strong safety culture.
• Emergency action and fire protection strategies, including ICS basics and NFPA principles.
• 200+ practice questions with detailed answers to reinforce learning and highlight improvement areas.

Whether you're a safety professional seeking advancement or an aspiring OHST candidate, this guide equips you with the knowledge, strategies, and confidence to excel on the exam and in your role. It also serves as a practical reference for daily occupational hygiene and safety responsibilities, helping you make informed decisions and maintain compliance.

Don’t leave your OHST success to chance. With this study guide, you can prepare with confidence, apply what you learn on the job, and elevate your professional credibility as a safety leader.