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Hazard Recognition and Control Flashcards

7 cards from real CSS practice questions. Tap to flip, then mark Knew It or Still Learning โ€” missed cards come back until you master them.

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  1. Which scenario BEST illustrates a 'struck-by' hazard in construction?

    Answer: A worker being hit by falling tools from an upper floor

    A struck-by hazard occurs when a worker is hit by a moving object, such as falling tools or materials from overhead work areas.

  2. A chemical plant safety supervisor discovers that a storage area lacks secondary containment for hazardous liquids. This is an example of failing to control which hazard type?

    Answer: Chemical spill and release hazard

    Secondary containment systems are required to control chemical spill and release hazards by preventing hazardous liquids from spreading in the event of a leak or rupture.

  3. Under the OSHA Hazard Communication Standard (29 CFR 1910.1200), how many hazard categories are defined for physical hazards?

    Answer: 16

    OSHA's HazCom Standard, aligned with GHS, defines 16 physical hazard categories such as flammables, explosives, and oxidizers.

  4. A safety supervisor is reviewing the results of industrial hygiene air monitoring. The 8-hour TWA for a solvent exceeds the OSHA PEL. What is the FIRST recommended action?

    Answer: Implement engineering controls such as improved local exhaust ventilation

    When exposures exceed the PEL, the hierarchy of controls calls for engineering controls (such as ventilation) before resorting to administrative controls or PPE.

  5. Which document provides detailed information on the health hazards, physical properties, safe handling, and emergency procedures for a specific chemical?

    Answer: Safety Data Sheet (SDS)

    The Safety Data Sheet (SDS) contains 16 standardized sections providing comprehensive hazard and safe-handling information for chemical substances.

  6. What is 'residual risk' in the context of hazard control?

    Answer: The risk that remains after all feasible controls have been implemented

    Residual risk is the level of risk that remains even after all practical control measures have been put in place.

  7. A safety supervisor is prioritizing hazard corrections after an inspection. Which factor should carry the MOST weight in prioritization?

    Answer: Number of workers affected and severity of potential harm

    Hazard prioritization should be driven primarily by the potential severity of harm and the number of workers exposed, ensuring the most serious risks are addressed first.