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- 14:26, 26 July 2016 Debra Tabron (talk | contribs) uploaded File:USEPA-2000-Innovations in site characterization.pdf (U.S. EPA, 2000. Innovations in Site Characterization: Geophysical Investigation at Hazardous Waste Sites. EPA-542-R-00-003. Office of Solid Waste and Emergency Response (5102G), Washington, D.C)