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 This website is no longer updated and links to external websites and some internal pages may not work.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

SW-846 Test Method 8280B: Polychlorinated Dibenzo-p-Dioxins (PCDDs) and Polychlorinated Dibenzofurans (PCDFs) by High-Resolution Gas Chromatography/Low-Resolution Mass Spectrometry

The following document outlines the method used in the detection and measurement of PCDDs and PCDFs in water, soil, fly ash, and chemical waste samples, including stillbottom, fuel oil, and sludge matrices.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.