A professional who supervises and coordinates activities of workers engaged in processing coke-oven gas to obtain byproducts. Respnsibilities include:

• Directs workers in separating ammonia and tar from gas, scrubbing gas to obtain light-oil, and recovering and refining benzol, toluol, and xylol from light-oil.
• Studies production reports and orders changes in temperature and circulation rates to produce product of specified quality.
• Trains new workers.
• Performs other duties as described under supervisor master title.