A professional who separates and weighs samples of grain preparatory to grading. Respnsibilities include:

• Pours grain sample into hopper of sample divider and pulls lever to allow grain to fall through divider into two receptacles.
• Removes and weighs specific amount of grain from each receptacle to obtain representative but reduced sample.
• Pours sample into cleaning mill (dockage tester) or through sieve of standard mesh to remove foreign matter.
• Smells and examines sample to determine if grain is sour or musty, or to detect damage from excessive heat or moisture.
• Pours grain sample into standard quart kettle, weighs sample, and reads conversion chart to obtain weight per bushel.
• Separates damaged, weathered, soil-stained, and undeveloped grain from grain with no defects and places grain in separate containers.
• May remove grain sample from incoming shipments.