Table 9. The mean TCO2 and the mean analytical difference (TCO2 = 006 - 004) for TCO2 from CRM and water samples analyzed on both systems (004 and 006) during WOCE Section P6.

                                     Mean
  Comparison
               System 004 TCO2  System 006 TC02   δTCO2 (006-004)   
                 µmol/kg (n)      µmol/kg (n)         µmol/kg

CRM (Batch 10)   1960.63 (59)    1960.24 (73)        -0.39

CRM (Batch 11)   2188.76 (75)    2188.84 (85)        +0.08

Water samples    2171.58 (37)    2170.97 (37)        -0.61
tbeaty 9/30/2001