Version April 23, 2002 (original version March 23, 1998) 
   PI:          Christopher Measures 
   of:          University of Hawaii 
   dataset:     Iron and aluminum concentrations from TM casts 
   cruise:      Arabian Sea/TTN-049, Process Cruise 4 
   ship:        R/V Thomas Thompson  
  
   dissolved means what passes through a 0.2 micron filter