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## Step 3: Conduct the Assessment 

<img src='content_image/595914.jpg'>

This step helps the Handbook users to set up and conduct the air quality assessment. This is accomplished through the consideration of the following: 

 Action/Project Alternatives 

 Period(s) of Interest 

 Emission Sources and Types of Pollutants 

 Necessary Input Data 

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[Hdbk. Pgs. 27 - 29] 

