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
Bromley 1966
[Report of the Medical Officer of Health for Bromley]
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10 8
AVERAGE RESULTS OF THE CHEMICAL EXAMINATION OF WATER SUPPLIED TO THE LONDON BOROUGH OF BROMLEY, 1966
Milligrammes per litre (unless otherwise stated)
| Description of the Sample | No. of Samples Day of the month | Ammoniacal Nitrogen | Albuminoid Nitrogen | Nitrate Nitrogen | Oxygen abs. from KMn O4 4 hrs. at 27°C. | B.O.D. 5 days at 20°C | Hardness (total) CaCO3 | Hardness (non-carbonate) CaCO3 | Magnesium as Mg | Sodium as Na | Potassium as K | Chloride as C1 | Phosphate as P04 | Silicate as SiO2 | 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) |
| Thames derived. | 156 | 0.029 | 0.090 | 4.4 | 1.27 | 279 | 77 | 5 | 24.2 | 5.0 | 32 | 1.8 | 9 | 62 | 0.20 | 0.01 | 0.1 | 15 | 7.8 | 560 | ||
| South of River* | ||||||||||||||||||||||
| Kempton Park | 52 | 0.017 | 0.085 | 3.8 | 1.24 | 293 | 83 | 31 | 1.5 | 7 | 0.1 | 14 | 7.9 | 570 | ||||||||
| Shortlands | 12 | 0.012 | 0.034 | 4.7 | 0.12 | 295 | 73 | 2 | 20 | 16 | 44 | 0.0 | 1 | 7.1 | 530 | |||||||
| West Wickham | 6 | 0.004 | 0.027 | 4.5 | 0.11 | 273 | 34 | 2 | 13 | 15 | 14 | 0.1 | 1 | 7.2 | 490 | |||||||
| Orpington | 4 | 0.011 | 0.025 | 6.2 | 0.10 | 289 | 45 | 2 | 16 | 13 | 22 | 0.0 | 1 | 7.1 | 530 | |||||||
| North Orpington | 7 | 0.035 | 0.029 | 4.4 | 0.13 | 274 | 29 | 2 | 15 | 12 | 12 | 0.0 | 2 | 7.2 | 490 | |||||||
| Sundridge | 19 | 0.004 | 0.026 | 2.9 | 0.07 | 220 | 49 | 2 | 19 | 18 | 35 | 0.1 | 1 | 7.4 | 420 | |||||||
| Lullingstone | 8 | 0.012 | 0.023 | 3.2 | 0.16 | 258 | 31 | 3 | 14 | 12 | 12 | 0.1 | 1 | 7.2 | 470 | |||||||
| Eynsford | 8 | 0.010 | 0.018 | 3.9 | 0.13 | 268 | 40 | 2 | 17 | 13 | 16 | 0.2 | 1 | 7.2 | 470 | |||||||
| Horton Kirby | 8 | 0.004 | 0.031 | 4.3 | 0.11 | 270 | 46 | 3 | 17 | 13 | 24 | 0.1 | 2 | 7.1 | 470 | |||||||
| Jewels Wood | 4 | 0.004 | 0.030 | 2.1 | 0.13 | 240 | 26 | 1 | 12 | 11 | 8 | 0.2 | 1 | 7.3 | 420 |
* Hampton, Surbiton and Walton