Job Description:

• 1) Tends series of tanks to inoculate molasses wort with pure yeast culture to produce seed yeast for use in production of baker's yeast: Pours molasses wort and chemicals into tank, according to formula, and adds yeast culture from flask.

• 2) Observes thermometer on tank and opens valves to allow water to circulate in coils of tank to maintain specified temperature.

• 3) Pumps air into tank to aerate yeast.

• 4) Tests specific gravity of yeast, using hydrometer, and tests acidity of yeast, using pH meter.

• 5) Adds required chemicals to adjust acidity when necessary.

• 6) Pumps wort to successive tanks as yeast growth progresses.

• 7) Submits samples of wort to laboratory for analysis.