A professional who supervises and coordinates activities of workers engaged in operation of preheat furnaces, catalytic reactors, quench and stripper towers, absorbers, stabilizer, rerun continuous stills, and auxiliary equipment, such as inert-gas generating system, condensers, heat exchangers, pumps, compressors, and blowers to produce petrochemicals, such as butadiene, styrene, butylene, and ethylbenzene. Respnsibilities include:

• Trains workers in operation of equipment.
• Coordinates operation of various units in system to ensure required production yields, referring to run sheets, test books, order books, logbooks, and pumping records.
• Observes recording-instrument charts, flowmeters, and gauges to verify conformity of temperatures, pressures, flow rates, and liquid levels to process specifications.
• Correlates instrument readings and test results to diagnose process malfunctions.
• Inspects equipment and cathodic-protection system to detect defects and malfunctions.
• May be designated according to product as chief butadiene operator; ethylbenzene-cracking supervisor; chief isobutylene operator; chief styrene operator.
• Performs other duties as described under supervisor master title.