[Report 1949] / Medical Officer of Health, Chippenham Borough.

  • Chippenham (Wiltshire, England). Borough Council.
Date:
1949
Catalogue details

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1949] / Medical Officer of Health, Chippenham Borough. Source: Wellcome Collection.

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    Copy. Ref: E/EP/24 The Counties Public Health Labobatories. 66, Victoria Street, London, S.W.l. ANALYSIS OF A SAMPLE OF WATER received 23-5-50 from Borough of Chippenham. Labelled 97, Hungerdown Lane, High Level House Supply. Date 22-5-50. 8.40 a.m. Taken by A. W. Ferris. Witness : D. J. Wilkding. Signed : C. Ronald Phillips. Chemical Results Expressed in Parts per Million. Appearance : Bright with very few mineral particles. Turbidity : Less than 5. Colour : Nil. Odour : Nil. Taste : — pH : 7*3 Free Carbon Dioxide : 18 Electric Conductivity : 610 Alkalinity as CaCOg : 255 Ca. Mg. Na. CO^ SO^ Cl, NO^ SiO^ Hypothetical 117 9-8 14 153 65 27 3 8 Combinations 102 153 Calcium Carbonate 255 15 36 Calcium Sulphate 51 7-3 29 Magnesium Sulphate 5 36 2-5 7 Magnesium Chloride 10 13 20 Sodium Chloride 33 1 3 Sodium Nitrate 4 8 Silica 8 Total solid constituents dried at 180oc. Difference 13 TOTAL 410 Hardness—TotaH 335 Carbonate 255 Non-Carbonate 80 Nitrate Nitrogen 0-6 Nitrite Nitrogen less than O'Ol Ammoniacal Nitrogen 0000 Oxygen absorbed 0-00 Albuminoid Nitrogen 0000 Residual Chlorine Absent Metals—Zinc 0-5 Other Metals Absent Fluoride (F) 0-8 * Calculated from the calcium and magnesium contents.