IX, A, 4 Cox et ah: Water Supplies in the Philippines 393 



springs and other- soiirces as noted — Continued. 

 parts per million.] 



Laboratory No. 1 



i 

 1 



56698-IV. 



66195. 



69012. 



74181. 



March, 1909 



December, 1908-.". 



July,1909 



January, 1910. 

 Bulacan, Hagonoy. 

 Well 3. 



36.1. 



263.12. 



139.99. 



Trace. 



1.541. 



Nil. 



Trace. 



287.24. 



Nil. 



Trace. 



0.25. 



1.08. 



Nil. 



Nil. 



43.95. 



21.55. 



14.87. 



277.14. 



0.547. 







Bulacan, Hagonoy. 



Weill 



Bath 



Artesian well . . . 





Verv slightly brown ^ . 





Alkaline : 



Alkaline 



Alkaline 



498.00 







41.00 



29.60 . 



44.3 „ 



49.88 _ 



425.16 „ 



4.00 



8.43 



161.69 







8.64 



Nil 



Nil - 



Nil - 



Nil 



Nil 



0.1327 



Trace „ 



Trace _. . 



Nil _ 



104.56 



Trace 







Trace 





Nil 



24.60. 



12 1 





Nil 



Nil 





Nil 



Nil „ 









0.60.... _ 



0.75 



Nil - 



Nil 



.... 

 1.25 



Trace 









Nil 





148.90 _ _ 



2.14 - 



0.21 



14.473 



14.92 



1.30... 



23.30 



Trace - 



10.01 



2.94 _ 



78.86 _ 



Nil 



0.0716 - 



4.84 



213.4 



Nil 



0.651 











(") 





(<=) 













= Sodic, bicarbonated, alkaline, siliceous. 

 •• Sodic, sulphated, saline. 



