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The scene of the "accident." Simulated sodium hypochlorite spills onto the tracks during an exercise. The "bleach" was actually green, dyed water but was said to have mixed with battery acid, fertilizer and other chemicals stored near the Self-Help building. The reaction created a "hazardous" plume of chlorine gas - simulated with the help of a smoke machine.
Firefighters carry an "injured" Airman away from the scene of the "accident" May 24 as part of a base exercise. The event involved wing agencies across the base including the medical group, civil engineering squadron, disaster control group and many others
A member of the 43rd Security Forces Squadron asks to check the identification of the train engineer. The Airman checked the entire train for possible hazards.