1. Stockholm Convention on Persistent Organic Pollutants (accessible at www.pops.int).
2. United Nations Environment Program (UNEP), Guidance for Analysis of Persistent Organic Pollutants (POPs), 2007, Chemicals Branch, UNEP/DTIE, Geneva, Switzerland (accessible at http://www.chem.unep.ch/Pops/laboratory/analytical_guidance_en.pdf).
3. GMP guidance document (accessible at http://www.pops.int/documents/meetings/cop_3/meetingdocs/inf14/GMP%20Guidance%20CD/Guidance.pdfupdated GMP to include new POPs and matrices as INF.27 (accessible at http://chm.pops.int/Convention/ConferenceofthePartiesCOP/Meetings/COP5/COP5Documents/tabid/1268/Default.aspx.
4. Laboratory databank (accessible at http://212.203.125.2/databank/Home/Welcome.aspx).
5. Project progress reports and results (accessible at https://www.chem.unep.ch/Pops/GMP/default.htm).