Job Description:

• 1) Tends tanks in which crude tetryl explosive or nitrocellulose is boiled and washed to remove acids and impurities: Admits batch of crude tetryl slurry to boiling tank.

• 2) Starts tank agitators and turns valve to admit steam to tank jacket to boil slurry for specified time.

• 3) Pumps off water after material has settled.

• 4) Pumps fresh water through tank to wash tetryl and flush away impurities.

• 5) When boiling nitrocellulose, admits acid to tub and boils contents for specified time, adds neutralizing agent, and repeats process until all nitrocellulose impurities are removed.

• 6) May test acidity of solution, using hydrometer or titration test.

• 7) When boiling tetryl, is designated Tetryl-Boiling-Tub Operator.