A professional who supervises and coordinates activities of workers engaged in preparing chemical solutions and in operating purification units, reaction vessels, and driers in polymerization of raw materials, such as synthetic rubber or resin. Respnsibilities include:

• Plans preparation of chemical solutions and rate of flow of materials through reaction vessels to maintain continuous flow of polymer through process.
• Observes control-panel instruments to verify conformity of reaction and monomer-recovery process to specifications.
• Trains workers in operation of equipment.
• Performs other duties as described under supervisor master title.
• May be designated according to activity of workers supervised as head drier operator; monomer-recovery supervisor; polymerization supervisor.