thorium

 PI:              Teh-Lung Ku and Shangde Luo 
 of:              University of Southern California
 dataset:         Thorium and Radium Isotope concentrations
 project/cruise:  EqPac/TT007
 ship:            Thomas Thompson


 Parameter    Description                                    Units

 sta          station number from event log
 event        event number from event log
 cast         MULVFS cast number from event log
 lat          latitude from event log (-Minus =south)        degrees
 lon          longitude from event log (-Minus =west)        degrees
 depth        sample depth                                   meters
 Th230        thorium 230                                    dpm/m^3
 Th230_err    thorium 230 analytical error (plus/minus       dpm/m^3
                 the reported value)
 Th228        thorium 228                                    dpm/m^3
 Th228_err    thorium 228 analytical error (plus/minus       dpm/m^3
                 the reported value)
 Ra226        radium 226                                     dpm/m^3
 Ra226_err    radium 226 analytical error (plus/minus        dpm/m^3
                 the reported value)
 Ra228        radium 228                                     dpm/m^3
 Ra228_err    radium 228 analytical error (plus/minus        dpm/m^3
                 the reported value)