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National Vehicle and Fuel Emissions Laboratory (NVFEL) Chemistry Lab Methods
Please Note:
- The Code of Federal Regulations is the official source of vehicle/engine certification test procedures.
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Fuel Analysis
- Chain of Custody Procedure for Fuels Analysis Requested by OECA (PDF) (20 pp, 2.4MB, Ref. No. 120, January 2002)
- Method for Calculating Cetane Index of Diesel Fuels (PDF) (4 pp, 15K, Ref. No. 121, May 2002)
- Determination of Density and Specific Gravity of Liquids by Digital Density Meter Method (PDF) (7 pp, 23K, Ref. No. 122, May 2002)
- Determination of Oxygenates in Gasoline by Gas Chromatography and Oxygen Selective Flame Ionization Detector (PDF) (20 pp, 98K, Ref. No. 123, March 2002)
- Fluorescent Indicator Adsorption Analysis of Petroleum Fuels Method (PDF) (13 pp, 200K, Ref. No. 124, September 2002)
- Grabner Vapor Pressure of Petroleum Products Method (PDF) (19 pp, 1.0MB, Ref. No. 125A, January 2005)
- Method for Distillation of Petroleum Products (PDF) (13 pp, 114K, Ref. No. 126b, February 2003)
- Analysis of Sulfur in Petroleum Fuels by X-Ray Fluorescence Method (PDF) (22 pp, 81K, Ref. No. 127, May 2002)
- Determination of Benzene in Gasoline Method (PDF) (11 pp, 200K, Ref. No. 128, September 2002)
- Determination of Benzene, Toulene and Total Aromatics in Finished Gasoline by Gas Chromatography/Mass Spectrometry Method (PDF) (13 pp, 11.8MB, Ref. No. 130, June 2004)
For further information or assistance regarding this page, contact Bill Courtois by phone at (734) 214-4352 or by email at courtois.william@epa.gov.