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
Hackney 1904
Report on the sanitary condition of the Hackney District for the year 1904
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Analysis of River Lea Water, made during the year 1904, by Leo Taylor, F.I .C., Public Analyst.
| Date. | Where taken. | Total solid residue. | Free Ammonia. | Albuminoid Ammonia. | Chlorine. | Nitrates. | Nitrites. | Oxygen required to oxidise the organic matter in 4 hours. | Suspended matter. | Dissolved Organic Matters. | Hematics. |
|---|---|---|---|---|---|---|---|---|---|---|---|
| July 23 | From brook before Leyton Sewage Works | 63.7 | .653 | .268 | 7 | .051 | 0 | 1.175 | 1.4 | 6.3 | The sample contained particles of sewage fungus, was light brown in tint, and possessed a strong odour of sulphuretted hydrogen. |
| July 23 | F rom outfall Leyton Sewage Works | 51.1 | 2.828 | .252 | 6.5 | .087 | 0 | 1.438 | 3.5 | 7.7 | The sample was distinctly alkaline, brownish yellow in tint, and possessed a urinous odour. It is practically sewage from which the suspended matters have been removed. |
Tho above results are expressed m grains per gallon.
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