A professional who mixes fertilizer samples preparatory to laboratory analysis. Respnsibilities include:

• Collects material from storage bin, railroad car, or bagging area, using auger or shovel.
• Dumps material onto mixing table.
• Blends material, using shovel, paddle, or hands.
• Pours blended sample into container, writes identifying information, such as material, date, and sample number, on label and attaches label to container.
• Collects samples of granulated fertilizer during various stages of processing, pours sample through riffle (separator) to mix and reduce amount to representative sample, and sends sample to laboratory for analysis.