A professional who supervises and coordinates activities of workers engaged in controlling equipment to produce nitric acid from anhydrous ammonia and reprocessing nitric acid to produce solid and liquid fertilizers and fertilizer materials. Respnsibilities include:

• Directs workers in setting up equipment according to product specifications, using knowledge of equipment functions and chemical processes involved.
• Observes recording-instrument charts, flowmeters, and gauges to determine processing conditions, and analyzes laboratory test results to verify conformance of product to specifications.
• Trains workers in operation of equipment.
• Performs other duties as described under supervisor master title.