An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Fuels Registration, Reporting, and Compliance Help

Confirm that ASTM method D-1319, Fluorescent Indicator Adsorption (FIA) can be used to determine aromatic and olefin levels until January 1, 1997.

Yes, the current version, ASTM method D-1319-93, is the regulatory method for olefins and may be used as an alternate for aromatics until January 1, 1997. For aromatics, it must also be correlated to the GC-MS method. Correlation to another laboratory's GC-MS is acceptable. Each D-1319 analysis system must show correlation since the method is operator dependent.(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)