1. US Environmental Protection Agency, Fed. Regist., 2000, p. 65.
2. US Environmental Protection Agency, Fed. Regist., 2000, p. 67.
3. US Environmental Protection Agency, Revised Draft Hazard Assessment of Perfluooctananoic Acid and its Salts, 2002, pp. 12–17.
4. OECD, Hazard Assessment of Perfluorooctane Sulfonate (PFOS) and its Salts, 2002, pp. 55–82.
5. Medical Department 3M Company, Determination of Serum Half-Lives of Several Fluorochemicals, 2004, p. 14.