site             lat      lon       Core  Depth_cm  Initial_pH  Alkalinity_mM  Sulfate_mM  DIC_mM  Fe_uM    NH4_uM  Sulfide_uM  DOC_uM  
Spidercrab Bay   37.344   -75.798   SP2-1  2         7.13        2.29           ns          2.71    ns       ns      ns          350.27  
Spidercrab Bay   37.344   -75.798   SP2-1  3         6.91        2.50           ns          3.53    ns       ns      ns          393.35  
Spidercrab Bay   37.344   -75.798   SP2-1  4         6.99        2.38           ns          3.06    ns       ns      ns          638.02  
Spidercrab Bay   37.344   -75.798   SP2-1  6         6.95        2.99           ns          3.97    ns       ns      ns          505.78  
Spidercrab Bay   37.344   -75.798   SP2-1  8         7.16        3.59           ns          4.51    ns       ns      ns          483.81  
Spidercrab Bay   37.344   -75.798   SP2-1  10        7.02        4.04           ns          5.24    ns       ns      ns          441.46  
Spidercrab Bay   37.344   -75.798   SP2-1  12        7.32        4.44           ns          5.40    ns       ns      ns          463.44  
Spidercrab Bay   37.344   -75.798   SP2-1  15        7.55        3.70           ns          4.21    ns       ns      ns          ns      
Spidercrab Bay   37.344   -75.798   SP2-1  18        7.44        3.49           ns          4.06    ns       ns      ns          ns      
Spidercrab Bay   37.344   -75.798   SP2-1  21        7.2         2.72           ns          3.32    ns       ns      ns          ns