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Analysis of Petroleum Hydrocarbons by Method 8015: GC oven technology gets hot
William Goodman, Tom Kwoka, and Jason Thomas
The analysis of diesel range organics (DROs) in soil and water by U.S. Environmental Protection Agency (EPA) method 8015 is one of the most frequently performed test methods in environmental analysis laboratories. It is used to test for contamination caused by leaky underground storage tanks under the EPA’s UST program. Recently, the EPA has prohibited the use of Freon as the solvent for Method 1664 — total petroleum hydrocarbons; with this, the popularity of testing DROs by Method 8015 has increased dramatically.
In addition, many state environmental agencies now specify their own modified versions of Method 8015 to test for DROs; for example, the state of Florida has the TRPH method and Massachusetts has the VPH and EPH methods. For environmental laboratories, the key to this analysis is a method that is both fast and robust, allowing the laboratory to achieve the highest throughput with the lowest cost. The purpose of this article is to apply novel oven technology, a short gas chromatography (GC) column, and high oven heating and cooling rates to a modified 8015 DRO method, achieving significant improvements in sample throughput.
Due to the graphs in this article a PDF has been made available for you to download.
PerkinElmer Instruments
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Shelton, CT, 06484
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