This step helps the  Handbook  users to  determine the type(s) of analyses that are  appropriate for the air quality assessment.  These include emissions  inventories for:  Dispersion modeling for:   Operational Emissions,   Construction Emissions,   HAPs and GHGs, and   Airports and   Roadways.  [Hdbk. Pgs. 23 - 26]  Federal Aviation  Administration  16 FAA Air Quality Handbook Tutorial  Step 2: Select the Assessment Methodology