|  [On the scene of the exercise, Tom 
            Martin, Incident Commander, and Bob Merreighn, the sewer plant’s 
            safety coordinator, talk to a firefighter.]
 |  [James Reed gets into HAZMAT gear to go 
            into the building and shut off the lethal chlorine leak.]
 |  [A team suits up in HAZMAT gear to go 
            into the building to shut off the chlorine leak.]
 |