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2. 3M Company , 1999. Perfluorooctane sulfonate: Current summary of human sera, health and toxicity data. 3M Company, 21 January 1999.
3. 3M Company , 2000a. Determination of serum half‐lives of several fluorochemicals, June 8, 2000, 3M Company. FYI‐07000‐1378, 8(e) Supplemental Submission, 8EHQ‐0373/0374.
4. 3M Company , 2000b. US EPA Administrative Record AR226‐0595, Publicly available at www.regulations.gov
5. 3M Company , 2001. Analysis of PFOS, FOSA and PFOA From Various Food Matrices Using HPLC Electrospray Mass Spectrometry. Analytical Report, June 21, 2001.