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Most importantly, the interstitial water (IW) data from Expedition 310 demonstrate the ability to obtain geochemical signals (significant deviations from seawater chemistry) from fossil reef material. The use of Rhizon sampling enabled IW samples to be taken where traditional whole-round squeezing was not possible and undesirable. For these reasons alone, IW data from Expedition 310 are successful. Lack of ubiquitous metallic enrichments compared to Tahitian seawater indicate that no significant contamination resulted from using seawater as the drilling fluid.