THE NEW ENGLAND STATES. 49 



NEW HAMPSHIRE. 



QRANITB STATE SPRING. 



Misc. Div. No. 2174. 



Gases. 1 



cc 



Carbon dioxid (free) 0. 4 



Carbon dioxid (set free from bicarbonate upon evaporating to dryness) 7. 4 



Hydrogen sulphid 



Sanitary analysis. 



Parts per million. 



Ammonia, free , 0. 002 



Ammonia albuminoid 036 



Nitrogen as nitrites 000 



Nitrogen as nitrates 1. 600 



Dxygen required 



Bacteriological data: 



Organisms per cc on plain agar after 48 hours at 37 C 1 



Organisms per cc on neutral red agar after 48 hours at 37 C 



Gas-forming organisms in 5 cc 



Gas-forming organisms in 1 cc 



Gas-forming organisms in 0.1 cc 



Gas-forming organisms in 0.01 cc 



Granite State Spring is situated at Plaistow, Rockingham County, 

 N. H., and is owned and operated by the Granite State Spring Water 

 Co. It was inspected on November 26, 1907, samples directly from 

 source being obtained for examination. The flow was approximately 

 500 gallons per hour, with a temperature of 40 F. The chemical 

 analysis shows this to be a moderately mineralized, calcic, sodic, 

 bicarbonated water of the alkaline type. Hypothetical combination 

 indicates approximately 54 per cent of the salts in solution to be in 

 the form of bicarbonates of calcium and magnesium, with 10 per cent 

 of sodium nitrate and smaller amounts of the chlorid, sulphate, and 

 bicarbonate of sodium. The sanitary analysis shows small amounts 

 of ammonia and larger quantities of nitrates, but a very low bacterial 

 count, which indicates organic purity. Inspection of the premises 

 failed to reveal any probable sources of pollution. No advertised 

 analysis of this water could be obtained for purposes of comparison. 



1 At C. and 760 nun pressure in 1,000 cc of water. 

 84644 Bull. 13911 4 



