P-30.01, r. 1 - Petroleum Products Regulation

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5. Type 1 to 4 gasolines are motor fuels that have no lead or phosphorus compounds added and that are suitable for use in spark ignition engines under a wide range of climatic conditions. They may contain methyl tertiary-butyl ether or other aliphatic ethers.
They must comply with Canadian General Standards Board standard CAN/CGSB 3.5-2004 Unleaded Automotive Gasoline.
They must also comply with the additional requirements in Schedule I relating to points of compliance and volatility.
O.C. 226-2007, s. 5.