AQ-0008A

Photo Date: 08/27/2019
Photo Credit: Kyle Fender

**2019 Photo Content Winner for TAHP Category**

A wench lowering an aluminum bench broke at a metals plant. The bench fell into an ~8000 gallon open vat of sodium hydroxide solution, and the bench became fully submerged and the aluminum reacted with the sodium hydroxide solution producing Hydrogen (H2) gas which ignited. Once the product level in the tank was lowered, and then the tank was refilled with water to dilute the solution, the flames ceased