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 This website is no longer updated and links to external websites and some internal pages may not work.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

Data Validation Standard Operating Procedures for Chlorinated Dioxin/Furan Analysis by High Resolution Gas Chromatography/High Resolution Mass Spectrometry

Revision 7.0

March 2014

US-EPA, Region 4, LSASD, Athens, Georgia

The objective of this Standard Operating Procedure (SOP) is to assist in the technical review of chlorinated dibenzo-p-dioxin (CDD) and chlorinated dibenzofuran (CDF) analytical data. This SOP is applicable to CDD/CDF data collected from environmental sample matrices using a high resolution gas chromatograph and high resolution mass spectrometry (HRGC/HRMS) method.

For additional information about Organic data review contact Nancy Seabolt via email or by phone at (706) 355-8687 or (706) 355-8500.

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