1. The 2005 World Health Organization Reevaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-Like Compounds
2. Implementing Council Directive 96/23/EC concerning the performance of analytical methods and the interpretation of results. European Union Commission Decision 2002/657/EC; http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2002:221:0008:0036:EN:PDF
3. Laying down the methods of sampling and analysis for the official control of levels of dioxins and dioxin-like PCBs in certain foodstuffs. European Union Commission Regulation 1883/2006; http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2006:364:0032: 0043:EN:PDF
4. Draft Recommended Interim Preliminary Remediation Goals for Dioxin in Soil at CERCLA and RCRA Sites; U.S Environmental Protection Agency, Office of Superfund Remediation and Technology Innovation, Washington, DC, 2009; www.epa.gov/superfund/policy/remedy/ pdfs/Interim_Soil_Dioxin_PRG_Guidance_12-30-09.pdf
5. Polychlorinated Dibenzodioxins and Polychlorinated Furans by High Resolution Gas Chromatography- High Resolution Mass Spectrometry. United States Environmental Protection Agency, Method 8290A, Washington, DC, 2007; www.epa.gov/waste/hazard/testmethods/sw846/pdfs/8290a.pdf