London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Waltham Forest 1965
[Report of the Medical Officer of Health for Waltham Forest]
- Published
- 1966
- Pages
- 108
- Tables
- 1
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Page 88
METROPOLITAN WATER BOARD - WATER EXAMINATION DEPARTMENT AVERAGE RESULTS OF THE CHEMICAL EXAMINATION OF WATER SUPPLIED TO THE LONDON BOROUGH OF WALTHAM FOREST Milligrammes per litre (unless otherwise stated)
Description of the Sample Number of Samples Day of the month Ammoniacal Nitrogen Albuminoid Nitrogen Nitrate Nitrogen Oxygen abs. from, KMn04 4 hrs. at 27°. C. B.O.D. 5 days at 20°. C. Hardness (total) CaC03 Hardness (non-carbonate) CaC03 Magnesium as Mg Chloride as CI Phosphate as P04 Silicate as Si02 Sulphate as S04 Natural Fluoride as F Surface-active material as Manoxol OT Turbidity units Colour (Burgess units) pH value Electrical Conductivity (micromhos) (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) (18) (19) (20) (21) (22) (23)