IX, A, 4 Cox et al. : Water Supplies in the Philippines 



391 



springs and other sources as noted — Continued, 

 parts per million.] 





Laboratory No. 





18654-11. 



18654-III. 



9704-1. 



56698-1. 



July, 1905 



July, 1905 



June, 1904 



March, 1909. 

 Bulacan, Sibul. 

 Spring. 



Alkaline. 

 536.20. 

 81.40. 

 4.50. 



Nil. 

 Trace. 



23.40. 



0.40. 



149. 



15.30. 



0.14. 



19.80. 



Trace. 



Bataan, Dinalupihan .., 



Bataan, Dinalupihan.... 



Bulacan, Sibul 





Suspended organic 



matter.* 

 Alkaline 



Suspended organic 



matter." 

 Alkaline 



Slight, white sediment.. 

 Neutral 



2,200 



676 



534.0 



112.4 



108.4 



15 20 



57.6 



9.4 





345 



237 









































760.0 



140 



34.0 

















Trace 

















Trace 





... 



Trace 















92.0 



28.7 _ 



26.0 



147.82 



97.0 



16.06 









436.0 



140.0 



30.22 









Considerable 



Present 











22.00 















(<=) 



Lead, 12.29 <= 







<: Small amount of carbon dioxide. 

 <• Calcic, saline. 



