A professional who supervises and coordinates activities of workers engaged in tending catalytic reactors, continuous stills, and auxiliary equipment, such as pumps, compressors, heaters, scrubbers, strippers, separators, condensers, and coolers, to produce organic sulfur chemicals from materials, such as sulfur, methane gas, alcohols, and olefins. Respnsibilities include:

• Trains workers in operation of equipment.
• Observes flowmeter, gauges, and recording-instrument charts to verify conformity of process with specifications.
• Examines equipment for malfunctions, such as excessive wear and leaks.
• Performs other duties as described under supervisor master title.