OF HAKD AND SOFT WATER. 



115 



Table TV. — Tmpttritt and Hardness of Water from Chalk "Wells and 

 Rivers before and after softening avfth Lime by Clark's Process. 



( Compiled from Tables in the ' Sixth Report of the Rivers Pollution 



Commission,'' pp. 209 and 215.) 



* Mean of ten analyses given in the ' Report.' 



