Benzene is classed as a toxic material. A knowledge of the concentration of this compound can be an aid in evaluating the possible health hazard to persons handling and using the gasoline. This test method is not intended to evaluate such hazards.
1.1 This test method covers the determination of benzene and toluene in finished motor and aviation gasolines by gas chromatography.
1.2 Benzene can be determined between the levels of 0.1 and 5 volume % and toluene can be determined between the levels of 2 and 20 volume %.
1.3 The precision for this test method was determined using conventional gasoline as well as gasolines containing oxygenates (ethers such as methyl tert-butyl ether, ethyl tert-butyl ether and tert-amyl methyl ether).
1.4 Methanol may cause interference. Appendix X1 provides an option for modifying the test method for analyzing samples containing ethanol.
1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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