What is the likelihood of a h2s release per year

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A company that owns and operates 123 identical facilities and corporate risk management has identified that 17 releases of hydrogen sulfide have occurred during a 10-year period.

(1) What is the likelihood of a H2S release per year based on this information?

(2) If the company has set a goal of 0.002 releases/year over the next 10-years how many releases would be tolerable in the next 10-year period?

(3) If a group of individuals are exposed to a H2S release with 30% exposed to 225 ppm for 2 hrs, 40% exposed to 130 ppm for 1 hr, and 30% exposed to 75 ppm for 25 minutes, what is the probability of death that would be expected as a result of the exposure? Use the Probit methodology.

(4) How much would the probability of death be altered if the exposure was to Toluene?

Reference no: EM132856794

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