Show the purity of wells the pollution of deep well wells was the subject of a paper before a scientific society eo clety in which win was described an interesting experiment conducted by the united states geological eur sur vey and the geological survey of georgia acting in cooperation to ao termine the liability of contamination of the deep wells and springs in the vicinity of quitman oa ga by the proposed action of that city in turning the public sewage into an under ground stream through a bore bole hole to teat test the matter the surveys mentioned inserted two tons of alt salt into the well into which it was proposed to turn the sewage samples of water were taken before the experiment to determine the normal chlorin of the waters and at short intervale intervals during aad for some time after the expert mont ment tho the report concludes that on analyzing the samples it was shown that the salt had entered all of the deep wells in town thereby demon rating et that the insertion of sewage would have contaminated all of the wells and possibly led to a dan dangerous girvus epidemic undoubtedly the water of the well wells Is often polluted td by drainage and the experiment verifies verl flea the dauber dater dat er which should help health boffl cers in their work one wonder wonders however if there la is not a light slight fal ln y in the conclusion introduced by b ir the doubt it if macro might not be prevented from passing 1 by tho the earth filtration while a solution of salt would bo be able to permeate tho the medium why not use pathogenic bacilli themselves for a more bonvino ing teat test american medicine |