Under the Display menu, go over the Options, Text Summary, and Footprint selections.
Point out that the Text Summary window has appeared throughout the session.
Select Options to open the Display Options window. The Level of Concern is a concentration
of a toxic gas that is predicted to cause particular, defined health impacts. In this case, the
default values will be used
Select Footprint to display the area where ALOHA predicts the concentration will rise above
your level of concern at some time during the hour after the release starts.
The shaded area shows where chlorine concentration is at or above the level of concern.
The furthest impact distance is 1.8 miles