(1) The fuels mentioned above shall be free from water and suspended matter;

(2) The corrosion test shall be that method prescribed by current American Society for Testing and Materials method or such other test as may be prescribed by the Arkansas Bureau of Standards;

(3) The method of testing distillation and the distillation range used in such testing of the petroleum products mentioned above shall be as prescribed by current American Society for Testing and Materials standards or as prescribed by the bureau;

(4) The tests required herein shall be made by the refiners, manufacturers, or blenders of gasoline, motor vehicle fuels, illuminating oils, or heating oils sold or offered for sale in the State of Arkansas; and where shipment is by rail or water transportation, the bill of lading for each shipment shall state that the product meets the American Society for Testing and Materials standards set forth herein. Where shipment is by truck or other vehicle, the invoice for each shipment shall state that the product meets the American Society for Testing and Materials standards set forth herein. The bill of lading must show the destination of the shipment. When any inspector of the bureau is in doubt as to the correctness of the statement attached to the bill of lading or invoice, he or she may procure a sample of the petroleum product in question and send the sample to the bureau;

(5) The bureau, upon receipt of the sample, shall further test the sample or cause the sample to be tested and the result of the test shall be final; and

(6) Such other specifications shall be met and tests performed as required by the American Society for Testing and Materials or as prescribed by the bureau.