THE CARBON DIOXIDE PROJECT, SCRIPPS INSTITUTION OF OCEANOGRAPHY        
Certified Reference Material, Batch 3 (Natural Sea Water)              
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TABLE 2C
SUMMARY OF ALKALINITY DATA

 ANAL   TITR SAMPLE             --------------- ALK(uEQ/KG) -----------------  
 DATE   SYST BOTTLE TRIAL FLAG  INDIV    AV(G)   STDEV(G)     AV(V)   STDEV(V) 

15JAN91   V    73PC   1        2221.01  
15JAN91   V    73PC   2        2219.15 
15JAN91   V   158PC   1        2223.41  
15JAN91   V   158PC   2        2225.35  
16JAN91   V   273PC   1        2222.95  
16JAN91   V   273PC   2        2219.58  
07MAR91   G   150PC   1        2210.19  
07MAR91   G    34PC   1        2214.76  
07MAR91   G    34PC   2        2212.74 
08MAR91   G   150PC   2        2211.07  
08MAR91   G   166PC   1        2214.94  
08MAR91   G   166PC   2        2213.46  2212.86 1.93(of 6)   2221.91 2.41(of 6)

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TITRATION SYSTEM:                                
 G = GRAVIMETRIC                                  
 V = VOLUMETRIC