Water supply : considered mainly from a chemical and sanitary standpoint / by Wm. Ripley Nichols.

  • William Ripley Nichols
Date:
1883
Catalogue details

Licence: Public Domain Mark

Credit: Water supply : considered mainly from a chemical and sanitary standpoint / by Wm. Ripley Nichols. Source: Wellcome Collection.

    146/252 (page 132)
    '32 In No I the well was located loo feet from the privy ; a bushel of coarse salt was put into the privy-vault October 24 and a bushel of fine salt on October 31. This caused an evident tncrea of the amount of chlorides in the well, as appears from he figures. In case No. II, two bushels of salt were put into.* celsPOO which was 75 feet from the well. A sample of wat en taken and afterward at intervals of three, daysThe effect on the well water was not as marked as m No. 1, but 1 results were confirmed by a subsequent exam.nat.on of the locality: 1. Date of Examination. October 17 26 29 November 2 5 8 13 17 20 23 Chlorine, expressed as Parts in 100,000. 3-3 3-9 3-9 4.0 4.4 3-5 3-4 3-4 3-3 3-i II. No. of Sample. I 5 3 4 5 6 7 8 9 10 II. Chlorine. 1-4 1-5 1.6 1-7 1-7 1.9 2.6 2.0 2.0 1.9 In Table XXIII are brought together the results of the . r ( nrPn waters from various localities. 1 ne ^r' >ht b°e extended toain lite length, as the reports ofboalof heXaHh and water committees would, in almost every case, contribute to the list. TABLE XVIII.—Examination of Well Water. [Results expressed in Parts in 100,000.] Locality. SauRus, Mass r« Another Williamstown, Mass... Another Another North Adams, Mass... Gloucester, Mass. Watcrtown, N. V Croton Falls. N. V... Lockport, N. Y .. ... Southampton, L. I.. ■ a 13 o {/i j < h O H 7'3 21.0 19.3 63.1 112.1 .V-7 68.6 37-4 13.2 96.8 45-° 0~ . z < 2 5 a o s 1 0.001 0.002 0.002 0.006 0.005 0.014 0.230 0.002 o 0.001 0.006 0.002 0.002 0.009 0.015 0.013 0.009 0.029 0.005 o 0.007 0.018 Quality. Good. jSuspicious Polluted. Authority. W. R. Nichols. Good. Dobtful. Bad. E. Waller.