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Incident Rate Calculations Flashcards

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

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  1. A company calculates its annual incident rate using 195,000 actual hours worked instead of 200,000. This means:

    Answer: The rate cannot be compared to BLS benchmarks directly

    The 200,000-hour multiplier is a fixed constant in the formula, not the actual hours worked; using 195,000 actual hours in the denominator is correct practice — the 200,000 is always in the numerator.

  2. Which scenario correctly describes a recordable case under OSHA's criteria?

    Answer: A worker is prescribed ibuprofen by a physician for a work injury

    Prescription medications — even if over-the-counter drugs are available — constitute medical treatment beyond first aid, making the case recordable.

  3. A multi-establishment employer must maintain OSHA 300 logs:

    Answer: At each establishment separately

    OSHA requires separate 300 logs for each establishment, defined as a single physical location where business is conducted or where services are performed.

  4. A worker commutes by company vehicle and is injured in a traffic accident. Is this recordable?

    Answer: Yes if the vehicle was being used for work tasks at the time

    Commuting in a company vehicle is not work-related; however, if the employee was running a work errand or transporting materials, the injury would be recordable.

  5. OSHA 300 logs must be retained by the employer for a minimum of:

    Answer: 5 years

    OSHA requires employers to retain the 300, 300A, and 301 forms for five years following the end of the calendar year they cover.

  6. A healthcare worker sustains a needlestick from a patient with a known bloodborne pathogen. Under what condition is this automatically recordable?

    Answer: It is automatically recordable as a needlestick from a contaminated sharp

    OSHA requires all needlestick and sharps injuries from contaminated objects to be recorded regardless of whether infection or symptoms develop.

  7. A company with a TCIR of 1.8 wants to set a stretch goal for next year. Using a 20% improvement target, what TCIR should they aim for?

    Answer: 1.44

    A 20% improvement means reducing the rate by 20%: 1.8 × (1 − 0.20) = 1.8 × 0.80 = 1.44.