1. 3M Company 2000. Phase-out Plan for POSF-Based Products. Letter from William Weppner (3M Company) to Charles Auer (U.S. EPA). 7 July 2000. U.S. EPA docket AR-226-0600. Washington DC:U.S. Environmental Protection Agency.
2. 3M Company 2001. Production of PFOS Derivatives. E-mail letter from Mike Santoro (3M Company) to Charles Auer (U.S. EPA). 2 March 2001. U.S. EPA docket AR-226-0997. Washington DC:U.S. Environmental Protection Agency.
3. 3M Company 2002. 104-Week Dietary Chronic Toxicity and Carcinogenicity Study with Perfluorooctane Sulfonic Acid Potassium Salt (PFOS; T-6295) in Rats. Final Report. 3M Company St. Paul MN. 2 January 2002. U.S. EPA docket AR-226-0956. Washington DC:U.S. Environmental Protection Agency.
4. 3M Company 2003. Environmental and Health Assessment of Perfluorooctanesulfonate and Its Salts. 3M Company 20 August 2003. U.S. EPA docket AR-226-1486. Washington DC:U.S. Environmental Protection Agency.
5. The Use of Biomonitoring Data in Exposure and Human Health Risk Assessments