i) What are HAPs?ii) Provide some examples of hazardous air pollutants that you would find in your community.iii) In what ways would you personally be exposed to them?Question 2.i) Provide 5 reasons why we monitor air quality. Explain your answer.ii) What information is needed to design an ambient air monitoring program?Question 3.i) What are the main categories of input required for a standard air pollution model?ii) For each category include 2 example parameters for each.Question 4.i) Describe 2 limitations of a Gaussian Plume model.ii) Identify 4 assumptions used in Gaussian plume modelling.Question 5.Thinking about the 4 categories of tools that were outlined in lectures, briefly outline a multiple strategy plan that could be used to reduce air pollution health impacts from EITHER industry OR motor vehicles (choose one to focus on in your answer) in a heavily polluted city.Question 6.Identify the key elements of the Air Quality Management Framework provided in the lectures and the relationships between each element. In your answer, choose one element from the framework and describe why this element is critical to managing air quality within a given city/region/country. WATERQuestion 1. Describe the typical changes in dissolved oxygen concentration downstream of a high BOD discharge.Question 2. Discuss the process by which aquatic organisms can accumulate chemical contaminants to a much higher levels than the ambient water column.Question 3. Outline the steps in a risk assessment process for the siting of a proposed wastewater treatment plant in a poorly flushed embayment.