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Table T5. Summary of quality assurance/quality control (QA/QC) on moisture and density data, Expedition 313.

QA/QC sample Mean percent difference from original value to
repeated value or from Sample 1 to Sample 2
Wet bulk
density
Dry bulk
density
Grain
density
Porosity
Same sample, different day 2.27 4.91 –0.57 –8.09
Different sample, same day 4.08 7.50 2.26 –6.33

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