A professional who weighs and examines barrels of oleoresin prior to distillation into turpentine and rosin and grades rosin prior to storage. Respnsibilities include:

• Reads scale to obtain gross weight of barrel of oleoresin.
• Examines and feels oleoresin to determine color, cleanliness, water content, and age, and estimates turpentine and rosin content and rosin grade that can be produced.
• Records estimate and weight of barrel on incoming record sheet.
• Observes distillation process and directs distiller II to stop operation of melter or still whenever temporary shortages of oleoresin occur.
• Draws rosin sample from still and grades sample according to U.S.
• Government specifications.
• Records grade and barrel number on grade record form.
• Directs or assists deckhand to push barrels of oleoresin or rosin to and from scales, storage area, and distilling equipment, and to dump barrels of oleoresin into hopper of melter.