[Report 1962] / Medical Officer of Health, Winchester U.D.C. / City.

  • Winchester (England). Urban District Council.
Date:
1962
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1962] / Medical Officer of Health, Winchester U.D.C. / City. Source: Wellcome Collection.

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    Water Supply (Pontcd) General Chemical Examination Reaction pH ~]0 2 Free Carbon Dioxide., as C02 Ammonl&eaX Nitrogen, as N Albuminoid Nitrogen,, as N Nitrous Nitrogen, as N Nitric Nitrogen, as N Hardness, as CaCO^ (Wanklyn5s ) Temporary Permanent Permanganate figure as 0 (4 hours, 80 deg.F.) Free Chlorine Absent I605 parts per million 0o002 0o007 Negligible 6o0 207 57 0.015 tt It It tt Alkalinity, as CaCO^ 4 CM n Total Solids 352 tt Mineral Analysis in parts per million Calcium, as Ca 100.8 Carbonate, as CO3 126 Magnesium, as Mg 2.58 Chloride, as Cl 16 Sodium, as Na 10o0 Sulphate, as SO^ 16.8 Iron Nil Nitrate, as NO^ 26.6. Lead Absent Fnosphate Absent Zinc 0.05 Fluoride 0.05 Copper Absent Bacteriological Examination Plate Count. Yeastrel agar 2 days 37°C. aerobically % per ml. Probable number of coliform bacilli. MacConkey 2 days 37°C UIL 100 per ml. n ti n faecal coli OOO 9 0 0 NIL per 100 ml. Remarks - The water is chemically and bacteriologically satisfactory for a public supply,,
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