A smokestack emits pollutant Z into the air on a sunny day. The effective stack height is 270 m. The wind speed is 4 m/s, due east. Your house is located 4.0 km due east of the smokestack. The ground level concentration of pollutant A is 2.0 mg/m3at your house. Your friend lives 4.0 km east and 1.5 km south of the smokestack. a. What is the emission rate of the pollutant in kg/s? b. For the emission rate determined in part a, you now want to know the concentration of pollutant Z at ground level at your friend’s house. i. What parameters change in the dispersion modeling equation? For each parameter, include the parameter symbol, a definition of the parameter, and its new quantitative value and required units. ii. Is the concentration at your friend’s house lower, the same or higher than the concentration at your house and why? (you do not need to calculate the concentration) show all work
A smokestack emits pollutant Z into the air on a sunny day. The effective stack
height is 270 m. The wind speed is 4 m/s, due east. Your house is located 4.0 km due east of the smokestack. The ground level concentration of pollutant A is 2.0 mg/m3at your house.
Your friend lives 4.0 km east and 1.5 km south of the smokestack.
a. What is the emission rate of the pollutant in kg/s?
b. For the emission rate determined in part a, you now want to know the concentration of
pollutant Z at ground level at your friend’s house.
i. What parameters change in the dispersion modeling equation? For each
parameter, include the parameter symbol, a definition of the parameter, and its
new quantitative value and required units.
ii. Is the concentration at your friend’s house lower, the same or higher than the
concentration at your house and why? (you do not need to calculate the
concentration)
show all work
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