Air sampling reveals hydrogen sulfide at 15 ppm (above PEL). What is the supervisor’s FIRST action?
Our free STS practice questions act as a diagnostic tool to give you a clear snapshot of your Safety Trained Supervisor (STS) readiness. Discover which topics are your strengths and, more importantly, which critical topics require your immediate attention.
| Name | Safety Trained Supervisor (STS) |
| Code | STS |
| Vendor | Construction and Industry |
| Certification | Board of Certified Safety Professionals (BCSP) |