This bid will establish a contract for supplying bulk deliveries of gasoline and diesel fuel to the various State of Montana and political subdivision locations stated in Attachment A- Locations. Each contractor agrees to provide standard unleaded gasoline with a minimum anti-knock index of 85.5, 87, 89 or 91, R+M/2, whichever product is ordered by the State. Minimum octane levels will be determined by availability, facility location/elevation and the specifications contained herein. Unleaded products shall comply with ASTM D4814-01 specifications. Each contractor agrees to provide ultra low sulfur diesel fuel with a minimum 40 cetane index or maximum 35 volume percent aromatic; and sulfur content of 15 ppm maximum; and meeting ASTM D975-02 specifications. All ethanol products delivered shall comply with ASTM D5798-98a, including seasonal blending adjustments.