Figure F5. Concentrations of various dissolved species in interstitial waters from Holes 1225A and 1225C. (A) Alkalinity, (B) dissolved inorganic carbon (DIC), (C) nitrate, (D) manganese, (E) iron, (F) sulfate, and (G) strontium. (H) total sulfide, (I) volatile fatty acids, (J) hydrogen, (K) ammonium, (L) phosphate, (M) silica, and (N) chloride.