Safety Trained Supervisor® (STS®) exam — Information & Free Practice
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About Safety Trained Supervisor® (STS®) exam
Safety Trained Supervisor® (STS®) exam · US
Key exam facts
- Provider
- Board of Certified Safety Professionals (BCSP): examination owner and developer; Pearson: computer-test delivery and proctoring provider.
- Format
- Closed-book, computer-delivered multiple-choice examination; each item has three or four possible answers and one correct answer.
- Exam questions
- Total questions: 100.
- Time limit
- 2 hours of examination time; the examination clock continues during self-scheduled breaks.
- Passing score
- BCSP determines an appropriate passing score by evaluating examination questions. Only correct answers count; incorrect answers carry no penalty. A fixed numerical STS5 cutoff or numeric score scale is not published in the reviewed current STS blueprint, STS page, Complete Guide and Exam Development page.
- Exam fee
- US dollar fee listing: $185 for one STS examination. Application fees and optional exam bundles are separate; current pricing is subject to change.
Topics covered
Safety Program Implementation and Management (15%)
- Describe essential elements of new employee orientation training.
- Identify the elements of a Job Safety Analysis (JSA).
- Apply knowledge of incident investigation and reporting.
- Observe workers’ fitness for duty and refer when necessary.
Hazard Awareness (20%)
- Apply knowledge of safety inspection procedures and corrections.
- Apply knowledge of Stop Work Authority (SWA).
- Identify hazards based on documentation.
- Apply knowledge of safety audits.
- Apply knowledge of motor vehicle safety procedures.
Hazard Controls (20%)
- Apply knowledge of hierarchy of controls.
- Describe how the continuous improvement process for a JSA is conducted.
- Determine how to mitigate or reduce hazards.
- Apply knowledge of risk assessment and management.
- Apply knowledge of machine safeguarding.
Basic Industrial Hygiene (12%)
- Identify hazards related to biological issues.
- Identify hazards related to chemical issues.
- Identify hazards related to physical issues.
- Identify hazards related to airborne issues.
- Identify hazards related to ergonomics issues.
- Identify chemical routes of entry into the body.
- Apply knowledge of hazardous atmospheres.
Emergency Preparedness and Management (11%)
- Apply knowledge of routine emergency equipment inspections.
- Apply knowledge of equipment emergency shutoff procedures.
- Identify what should be included in an emergency response plan.
Life Critical Activities (22%)
- Identify electrical hazards.
- Identify confined spaces hazards.
- Identify fall hazards.
- Describe isolation of hazardous energy.
- Identify ladder safety protocols.
- Identify fire protection systems.
- Identify risks associated with hoisting and rigging.
How to prepare
Work through the topics, read the explanation after each answer, and revisit the areas where you miss questions. Use the official outline and reference materials below to guide your study.
These independent practice questions are not actual exam items and do not guarantee a passing result.
Frequently asked questions
What is the exam format?
Closed-book, computer-delivered multiple-choice examination; each item has three or four possible answers and one correct answer.
How many questions are on the exam?
Total questions: 100.
How long is the exam?
2 hours of examination time; the examination clock continues during self-scheduled breaks.
What is the passing score?
BCSP determines an appropriate passing score by evaluating examination questions. Only correct answers count; incorrect answers carry no penalty. A fixed numerical STS5 cutoff or numeric score scale is not published in the reviewed current STS blueprint, STS page, Complete Guide and Exam Development page.
How much does the exam cost?
US dollar fee listing: $185 for one STS examination. Application fees and optional exam bundles are separate; current pricing is subject to change.
Official sources and references
- STS5 Examination Blueprint
page 1, version footer
- STS5 Examination Blueprint
page 1, Domain 1
- STS5 Examination Blueprint
page 1, Domain 2
- STS5 Examination Blueprint
page 1, Domain 3
- STS5 Examination Blueprint
page 1, Domain 4
- STS5 Examination Blueprint
page 1, Domain 5
- STS5 Examination Blueprint
page 1, Domain 6
- BCSP Complete Guide
page 29, STS EXAMINATION
- BCSP Complete Guide
page 8, Developing a test-taking strategy
- BCSP Exam Development
Passing Score Activity
- BCSP STS examination page
Purchase, Schedule, and Take the Exam
- BCSP Complete Guide
page 12, Take your exam
- BCSP 2026 Current Changes Index
Examination
Confirm current exam arrangements with the exam provider.