CODE: 522.685-110Buy the DOT:Download/CD-ROM
TITLE(s): YEAST-FERMENTATION ATTENDANT (food prep., nec)

Tends fermentation tanks to propagate yeast in molasses wort: Opens valves to admit specified amounts of seed yeast and molasses wort into tanks. Dumps, pours, or meters measured quantities of nitrogen and phosphate to supplement diet of yeast. Pumps air into tank to aerate wort. Sets thermostat to maintain prescribed temperature levels in fermentation tanks. Tests wort for acidity, using pH meter, and adds specified chemicals to maintain required acidity. Adds additional wort and chemicals to tank, as yeast concentration increases, to facilitate yeast growth. Pumps wort with yeast cream (concentrated yeast suspension) to yeast-separating department.
GOE: 06.04.15 STRENGTH: L GED: R2 M2 L2 SVP: 3 DLU: 77
ONET CROSSWALK: 92962 Separating, Filtering, Clarifying, Precipitating, and Still Machine Operators and Tenders