The Department performs a variety of duties required by State Law. They include: verification of all scales and weights used in commercial sales; inspection of pre-packaged commodities for accuracy of weight labels; certification of certain advertising claims; inspection of meters on gasoline and fuel oil pumps and on transports, trucks, and bulk plants to ensure accuracy; examination of truck and trailer compartments calibrated to determine load capacity; verification of devices that measure yard goods; inspection of cylinders and meters against specifications for liquid petroleum gas; calibrate the volume of bulk milk tanks; investigate consumer complaints regarding questionable weighing or measuring practices; and completion of necessary reports to the County and the State Department of Agriculture and Markets.