01) (30 pts 400 workers were exposed to 5500 ppm of chemical "X" for three hours. a) In case chemical X is propylene oxide, how many workers are expected to die? [10 pts b) In case chemical "X" is ammonia, how many workers are not expected to die? [10 pts] c) Comment on the results obtained in parts a) and b) [10 pts] Q2) (15 pts Nitric oxide leaked in a plant. The leaked amount is 330 lbm. The last incident of this type occurred 25 years ago. What is the risk level for this case? (Use the risk matrix and explain how you reached your conclusions) Risk Matrix Likelihood 1. Select the severity from the highest box in either of columns 1.2 or 3. Read the 4 5 Category and Safety Severity Level from the same row. LIKELY UNLIKELY IMPROBABLE IMPROBABLE 2 Select the likelihood from columns 4 thru 7 BUT NOT 3. Read the Risk Level from the intersection of the severity row and the likelihood IMPOSSIBLE Expected to Expected to hapon Expected to Not expected to happen THEF Target mitigated event frequency poby happen than who Sevmes once over once the in the division TO Threshold Quantity over the ide of the Me of the division over the over the We of plant We of the plant Safety O to 9 Human Health Fire, Explosion Chemical 10 to 99 Severity Severity years 2 100 years > 1000 years Impact Direct Cost in $ years Impact Category Level Public fatality possible Greater than 220K TO CATASTROPHIC THEF - Risk Level Risk Level $10 MM Risk Level Risk Level employee 1x10 fatalities they Employee fossity From 3 possibile, Major 51 MM 0