OHST study guide
OHST · Work through your exam, one topic at a time.
The Occupational Hygiene and Safety Technician (OHST) is a Board of Certified Safety Professionals (BCSP) credential for safety practitioners who handle industrial hygiene and occupational safety work at the technician or managerial level, or as consultants. Typical duties include conducting industrial hygiene sampling or overseeing that work, plus safety responsibilities such as calculating performance metrics, assessing risk, and influencing safety-related behavior. The OHST study guide has 5 sections and about 1,757 words.
01Safety and Health Program Management
Program-management items test whether you can distinguish a functioning safety and health program from paperwork. Learn the consensus framework shared by OSHA's Safety and Health Program Management Guidelines, ANSI/ISO 45001, and ANSI Z10: management leadership and commitment, worker participation, hazard identification and assessment, hazard prevention and control, education and training, and evaluation for continuous improvement.
380 words, about 2 min02Occupational Health and Industrial Hygiene
Every exposure question fits the classic sequence: anticipate, recognize, evaluate, control. Recognition means knowing the agent (chemical, physical, biological, ergonomic) and its route of entry - inhalation, absorption, ingestion, injection.
327 words, about 2 min03Hazard Identification and Control
Hazard identification methods include job hazard analysis (JHA/JSA), walk-through inspections, audits, employee reports and near-miss review, incident investigations, and behavioral observation. A JHA breaks a task into steps, identifies the hazards at each step, and assigns controls; use it for high-risk or infrequent tasks and whenever a task changes.
331 words, about 2 min04Emergency Preparedness and Fire Prevention
The emergency action plan (1910.38) covers reporting procedures, evacuation routes and escape assignments, employees who stay to perform critical operations, accounting for everyone after evacuation, rescue and medical duties, and named contacts. The fire prevention plan (1910.39) lists major fire hazards, handling and storage procedures, ignition sources, the fire protection equipment provided, and housekeeping and maintenance of safeguards.
350 words, about 2 min05Environmental Management
RCRA keeps the generator in the chain of custody. First make a waste determination - by process knowledge or testing - and classify the waste as listed (F, K, P, U), characteristic (ignitable, corrosive, reactive, toxic), or non-hazardous.
369 words, about 2 min