314 



TllK WATEU-SUrrLY OK TOWNS IN THE TUOI'ICS 



ritELiMiNAUY Tests 

 WELL No. 6 



Special Tests 



21 days' pumping trials 



WELL No. 1 



Temperature of water varied between 29-8 and 30-2'' C. 



Date 



per 1 c.c. 



S. coli 

 " Flajfinac " 



Chromogenic 



sugar-fermenting 



bacillus 



33? 



sampling un- 



satisfacton" 



4 



> 

 10 



? 



31 



Ul 



137 



2 



11 



2.(; 



5 

 5-2 



