Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Lambeth Borough]
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Description of the Sample | No. of Samples | Ammoniacal Nitrogen | Albuminoid Nitrogen | Nitrate Nitrogen | Chlorides as Cl. | Oxygen abs. from KMno4 4 hrs. at 27 c. | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Honor Oak Well | 1 | 0.065 | 0.022 | - | 16 | Nil | ||||||
Thames-derived South of River | 156 | 0.20 | 0.079 | 3.8 | 32 | 1.18 | ||||||
Description of the Sample | Turbity units | Colour (Burgess) scale | Hardness (total) | Hardness (noncarbonate) | pH value | Phosphate as PO4 | Silicate as Si02 | |||||
Honor Oak Well | 2.4 | 10 | 292 | 28 | 7.3 | |||||||
Thames-derived South of River | 0.3 | 10 | 266 | 66 | 7.8 | 1.3 | 11 | |||||
Description of the Sample | Sulphate as SO4 | Magnesium as Mg | Natural Fluoride as F | Surface-active material as Manoxol OT | Sodium as Na | Potassium as K | Electrical Conductivits (micromhos) | |||||
Honor Oak Well | 11.0 | 3.2 | ||||||||||
Thames-derived South of River | 62 | 5 | 0.25 | 0.08 |