CSS Study Guide 2026
Everything you need to pass the CSS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CSS Exam Format at a Glance
📚 CSS Topics to Study (75)
✍️ Sample CSS Questions & Answers
1. A leading indicator in workplace safety is best described as:
Leading indicators are proactive, preventive measures such as safety training completion rates, hazard observations reported, or near-miss investigations that predict future safety performance.
2. OSHA's HAZWOPER standard (29 CFR 1910.120) requires that workers at uncontrolled hazardous waste sites receive a minimum of how many hours of initial training?
General site workers at uncontrolled hazardous waste sites must complete 40 hours of off-site instruction and three days of supervised field experience.
3. Which of the following best describes a 'compliance audit' versus a 'safety inspection'?
Compliance audits systematically evaluate adherence to laws and standards, while safety inspections focus on identifying physical hazards.
4. A safety supervisor wants to reinforce positive safety behaviors on the shop floor. The most effective reinforcement strategy is to:
Immediate, specific positive reinforcement following desired behavior is the most effective operant conditioning strategy for sustaining safe work practices.
5. What does the acronym 'BLEVE' stand for in emergency response?
BLEVE occurs when a vessel containing a liquid above its boiling point fails, causing rapid vapor expansion and explosion.
6. What is the role of an 'attendant' in a confined space entry operation under 29 CFR 1910.146?
The attendant remains outside the permit space, maintains communication with entrants, monitors for hazards, and initiates rescue procedures without entering.