Occupational Hygiene and Safety Technician (OHST) Certification Exam

Occupational Hygiene and Safety Technician (OHST) The OHST assessment prioritizes real-world application over theory. You’ll analyze workplace hazard scenarios, recommend control measures for chemical exposures, and interpret monitoring data from actual industrial settings. Success demands familiarity with exposure assessment tools, ventilation design principles, and PPE selection criteria across diverse sectors—knowledge you’ll apply immediately in field roles.