Lamont-Doherty Earth Observatory 1 article published in JoVE Environment Sediment Core Sectioning and Extraction of Pore Waters under Anoxic Conditions Alison R. Keimowitz1, Yan Zheng2, Ming-Kuo Lee3, Michael Natter3, Jeffrey Keevan3 1Department of Chemistry, Vassar College, 2Division of Geochemistry, Lamont-Doherty Earth Observatory, 3Department of Geosciences, Auburn University A protocol for sectioning sediment cores and extracting pore waters under anoxic conditions in order to permit analysis of redox sensitive species in both solids and fluids is presented.