CAN/CGSB-3.5-2021

This National Standard of Canada applies to four grades of gasoline to which no lead or phosphorus compounds have been added. 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. Gasoline specified in this standard may contain limited concentrations of aliphatic ethers and alcohols. Provincial, territorial, and federal regulations control some parameters included in this standard, and when such government regulations are more restrictive, they supersede the requirements in this standard. 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. Units of measurement – Quantities and dimensions used in this standard are provided in units from the International System of Units (SI units). Imperial equivalents may be shown in brackets.