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Since other ASTM methods are being developed that would allow the use of one analyzer to obtain benzene, aromatics, and olefins, will EPA allow any of these new methods to be used for gasoline certification and/or a refiners's defense?

See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help.

They are not allowed for the determination of properties of reformulated, or conventional gasoline at the refinery, but, as indicated above, they may be used downstream for quality assurance. In the future, EPA may consider amending the regulations to allow for new methods as it did for RVP.(7/1/94)

This question and answer was posted at Consolidated List of Reformulated Gasoline and Anti-Dumping Questions and Answers: July 1, 1994 through November 10, 1997 (PDF)(333 pp, 18.17 MB, EPA420-R-03-009, July 2003, About PDF)