This standard applies to four grades of oxygenated gasoline to which no lead or phosphorus compounds have been added, and in which the oxygenate consists essentially of ethanol. They are intended for use in spark-ignition engines under a wide range of climatic conditions.

This standard is not intended to apply to the mixing of oxygenated gasolines and gasolines either at the point of retail sale or after the point of retail sale.

Some fuel systems may not be fully compatible with fuel produced to this standard. Users are advised to consult the owner's manual or the equipment manufacturer.

Provincial and federal regulations control some parameters included in this standard. Where such regulations establish more restrictive limits than those given in this standard, the regulated limits shall apply.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any applicable regulatory requirements prior to its use.