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 www.epa.gov. 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 This website is no longer updated and links to external websites and some internal pages may not work.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

The chromatographic conditions listed in the total aromatic method are loosely defined. Does this mean that the laboratory is free to use any type of column and chromatographic conditions as long as adequate separation and the appropriate QA/QC parameters

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

Yes.(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)

US EPA

Fuels Registration, Reporting, and Compliance Help

The chromatographic conditions listed in the total aromatic method are loosely defined. Does this mean that the laboratory is free to use any type of column and chromatographic conditions as long as adequate separation and the appropriate QA/QC parameters

Fuels and Fuel Additives Compliance