THE CARBON DIOXIDE PROJECT, SCRIPPS INSTITUTION OF OCEANOGRAPHY        
Certified Reference Material, Batch 1 (Natural Sea Water)            
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TABLE 2A
SUMMARY OF ALKALINITY DATA

  ANAL   TITR SAMPLE             --------------- ALK(uEQ/KG) -----------------  
  DATE   SYST BOTTLE TRIAL FLAG  INDIV    AV(G)   STDEV(G)     AV(V)   STDEV(V) 
                                 
 26FEB90   G    31PA   1        2296.11    
 27FEB90   G    31PA   2        2298.23    
 27FEB90   G    41PA   1        2295.30    
 27FEB90   G    41PA   2        2297.00    
 27FEB90   G    73PA   1        2299.20    
 27FEB90   G    73PA   2        2299.66    
 27FEB90   G    78PA   1        2299.95    
 28FEB90   G    78PA   2        2298.79    
 25MAY90   G    39PA   1        2300.59    
 25MAY90   G    75PA   1        2301.45    
 29MAY90   G    41PA   3        2292.26    
 01JUN90   G    81PA   1        2298.95    
 04JUN90   G    41PA   4        2296.58    
 04JUN90   G    40PA   1        2300.04    
 16JUL90   G    40PA   2    EX  2311.45    
 06SEP90   G    38PA   1        2298.30    
 07SEP90   G    34PA   1        2297.76    
 07SEP90   G    74PA   1        2295.83    
 03OCT90   G    73PA   3        2296.19    
 03OCT90   G    73PA   4        2302.34     
 03OCT90   G    78PA   3        2300.13    
 04OCT90   G    78PA   4        2294.95    
 29OCT90   G    34PA   3        2295.86    
 30OCT90   G    34PA   4        2290.07    
 14NOV90   G    38PA   3    EX  2305.84    
 19NOV90   G    32PA   1        2297.69    
 20NOV90   G    82PA   1        2305.84    
 20NOV90   G    82PA   2        2297.67    
 20NOV90   G    82PA   3        2298.78  2297.98 3.10(of 27)
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TITRATION SYSTEM:                                FLAGS:
 G = GRAVIMETRIC                                   EX:  Excluded from analysis