Question

In: Civil Engineering

Air Pollutant Concentrations and Factors Affecting Air Pollution Air inversions greatly affect local air quality because...

Air Pollutant Concentrations and Factors Affecting Air Pollution Air inversions greatly affect local air quality because pollution is trapped. Assume an inversion occurs over a 75 m x 50 m surface area and there is no way for the pollutant to escape. There are 100 cars and each one produces 10.5 µg/s of carbon monoxide (CO). Part a [1 points]: What is the concentration (in ppm) after 1 hour if the inversion is at 150. m? Part b [1 points]: What is the concentration (in ppm) after 1 hour if the inversion is at 1,500. m? Part c [1 point]: Is the NAAQS exceeded in either case? The 1-hr concentration for CO should not exceed 35 ppm. Part d [3 points]: Describe three ways (natural or human-caused) that the concentration of CO would decrease.

Solutions

Expert Solution

C.

  • so as per NAAQS Standard concentration has not exceeded in any of the case.

D.

​​​​​following are the three ways to reduce the CO concentration.

  • Use proper fuel in kerosene space heaters.
  • plant more number of trees on the roadside and side of rail.
  • use filters in the power plant to purify the smoke.

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