A professional who tends tanks in which liquid and solid chemicals are bleached. Respnsibilities include:

• Pumps specified amounts of liquid materials into tank.
• Dumps or scoops preweighed solids into feed hopper and starts agitator to mix ingredients for prescribed time.
• Observes temperature recorder and turns steam valves to maintain mixture at specified temperature.
• May drain sample of product for laboratory analysis.
• May pump product to storage tanks or to other equipment for further processing.
• May record weight of material used and bleaching time.