The weights and measures section of the State Department of Agriculture shall be responsible for the inspection, sampling and testing of kerosene sold by dealers within the State to determine compliance with labeling requirements. Tests shall be conducted on kerosene kept, offered, exposed for sale or sold within the State in order to determine if the product specifications meet the minimum specifications of the type of product being sold. A “stop sale” shall be issued immediately by the Department of Agriculture for all kerosenes found to be mislabeled or misrepresented.