Safety Trained Supervisor Safety Trained Supervisor 4 — Questions and Answers
Question 1: An employer's OSHA 300 log must be posted in the workplace annually from:
- January 1 through March 31
- February 1 through April 30 (Correct answer)
- March 1 through May 31
- July 1 through September 30
Correct answer: February 1 through April 30
OSHA requires the 300A summary to be posted from February 1 through April 30 each year.
Question 2: The STS designation requires candidates to have a minimum of how many hours of safety training?
- 8 hours
- 16 hours
- 24 hours (Correct answer)
- 40 hours
Correct answer: 24 hours
The Board of Certified Safety Professionals requires STS candidates to complete at least 24 hours of formal safety and health training.
Question 3: Which chemical exposure limit represents a concentration that should never be exceeded even instantaneously?
- PEL (Permissible Exposure Limit)
- TLV-TWA (Threshold Limit Value – Time Weighted Average)
- TLV-C (Threshold Limit Value – Ceiling) (Correct answer)
- REL (Recommended Exposure Limit)
Correct answer: TLV-C (Threshold Limit Value – Ceiling)
The TLV-C is a ceiling concentration that must not be exceeded at any point during a work shift.
Question 4: A supervisor's most important role in safety culture is to:
- Complete all required OSHA forms accurately
- Model safe behaviors consistently and reinforce safety expectations daily (Correct answer)
- Enforce disciplinary action for every infraction
- Delegate all safety responsibilities to the safety department
Correct answer: Model safe behaviors consistently and reinforce safety expectations daily
Supervisors shape safety culture most powerfully through their own consistent behavior and daily reinforcement of safe practices.
Question 5: Which of the following best describes 'safety climate'?
- The temperature and ventilation conditions in a workplace
- The written safety policies and procedures of an organization
- Employees' shared perceptions of how much management prioritizes safety (Correct answer)
- The number of OSHA violations recorded in the past year
Correct answer: Employees' shared perceptions of how much management prioritizes safety
Safety climate refers to workers' collective perceptions of the relative importance of safety in their organization's values and practices.
Question 6: Under OSHA's respiratory protection standard (29 CFR 1910.134), a medical evaluation is required:
- Only after a worker reports breathing difficulty
- Before an employee is fit-tested for a respirator (Correct answer)
- Annually for all respirator users
- Only when using SCBA equipment
Correct answer: Before an employee is fit-tested for a respirator
A medical evaluation must be completed and the employee cleared before a fit test can be conducted.
Question 7: An effective safety incentive program should reward employees for:
- Going the longest period without filing an injury report
- Achieving production quotas without any stoppages
- Reporting hazards, near misses, and participating in safety activities (Correct answer)
- Accumulating the most hours without using PPE corrections
Correct answer: Reporting hazards, near misses, and participating in safety activities
Programs that incentivize proactive safety behaviors (reporting hazards, near misses) improve safety culture more effectively than rewarding injury-free records, which can suppress reporting.
An employer's OSHA 300 log must be posted in the workplace annually from: