VIP Exclusive
OHST VIP Certification Practice Exam
OHST — The Occupational Health and Safety Technologist (OHST) is a joint certification administered by the Board of Certified Safety Professionals (BCSP) and the American Board of Industrial Hygiene (ABIH); the real exam consists of 200 items (175 scored, 25 unscored pretest), with a 3.5-hour time limit and a scaled passing score of approximately 70.
30
Questions
105m
Time Limit
70.00%
To Pass
Question 1 of 30👑 VIP
A maintenance technician at a chemical manufacturing plant is scheduled to perform repairs inside a storage tank that previously held toluene. Before the technician enters, air monitoring shows the oxygen level is 20.5%, toluene vapor is at 8 ppm (PEL: 200 ppm), and no flammable vapor is detected above the LEL. Which of the following actions is MOST appropriate before allowing entry?
Questions 2–30 and full explanations are VIP-exclusive.