Porewater Geochemistry: NO3+NO2 and Ammonia 
   Cruise AT37-06, Guaymas Basin 
  PI: Andreas Teske (UNC Chapel Hill) 
  Version: 07 December 2017 
  NOTES: 
   Sample_IDs QCS are internal quality control standards (10 uM) 
   Sample_IDs ICV are external quality control standards