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- 14:51, 5 December 2016 Debra Tabron (talk | contribs) uploaded File:USEPA-2016-pfos health advisory final-plain.pdf (USEPA, 2016. Drinking Water Health Advisory for Perfluorooctane Sulfonate (PFOS), EPA 822-R-16-004. Washington, DC.: Office of Water Health and Ecological Criteria Division)