REPORTS FROM THE SECTIONS. (265 
cent., or 1} lb. to every 98} of deposit in a free state. It can be 
dissolved out by bisulphuret of carbon, which shows that it is not 
chemically combined with the iron deposit. Now the question 
naturally arises, where does this sulphur come from? Mr. Waitt, 
in a subsequent conversation with me, said he thought it must 
come from the iron piping. If so, what about arsenic and other 
kindred companions of sulphur found in the ites of the coal 
use 
sulphur exists to such an extent in the piping, other deleterious 
ingredients are certain to accompany it. On the other hand, if 
our water supply. According to a report by the Commissioners 
appointed to inquire into the best means of preventing the pollution 
