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DOT Code: 551.585-014

Industry: chemical

Tends continuous-process equipment that purifies mercury recovered from electrolytic cells: Turns compressed air and water valves to start flow of mercury through acid bath and purification towers that remove contaminants from mercury. Drains purified mercury into storage tank. Refills purifying towers with mercurous nitrate purifying agent and verifies specific gravity of nitrate, using hydrometer, to ensure efficient purification. Cleans and flushes towers, using water hose. Records weight of mercury purified during shift.

GOE: 06.04.11 STRENGTH: M GED: R2 M2 L1 SVP: 4 DLU: 77