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DOT Code: 558.682-022

Industry: chemical
Alternate Titles: denitrator operator

Controls distillation equipment to recover sulfuric and nitric acids from residue produced in manufacturing Tnt and nitroglycerin: Turns valves and observes gauges and instruments to regulate flow of acids, steam, and water into denitrator tower to liberate nitric fumes, and to effect absorption of fumes in absorption towers for recovering acid of specified concentration. Draws acid samples for laboratory testing and pumps acid to storage tanks after laboratory approval. May determine concentration of acid, using hydrometer.

GOE: 06.04.11 STRENGTH: L GED: R3 M1 L2 SVP: 4 DLU: 77