Unleaded Gasoline Specification Unleaded gasoline delivered under this contract will comply with: the American Society of Testing Materials; and unleaded gasoline specification requirements as set forth in the most current revision of ASTM Designation D439 for gasoline, amended to comply with the regulations of the Massachusetts Department of Environmental Protection; and any other applicable Federal and /or Commonwealth regulations and laws. ULS Premium Diesel Ultra Low Sulfur, S15 (<15 PPM), for municipal use on the road including use in 2007 advance emissioncontrolled engines. Fuel to be red dyed with taxes handled as per current procedures at each town. Premium Diesel to be defined by interim standards developed by the National Conference of Weights and Measures (NCWM). The goal of these specifications is to provide a meaningful definition of premium diesel. This is so premium diesel can be: • Accurately and clearly distinguished from non-premium or "regular diesel". • Accurately and clearly identified through bills of lading, Invoices, shipping papers, or other documentation