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
West Ham 1899
Annual report of the Medical Officer of Health for the year 1899
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(Extracted from Somerset House Reports.)
Expressed in parts per 100,000.
| A. —River Lea at Intake. | B.—East London water as supplied. | C.—Loch Katrine water. | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Temperature— in Centigrade degrees. | Total Solid Matter. | Organic Carbon. | Organic Nitrogen | Ammonia | Nitrogen as Nitrates and Nitrites. | Total Combined Nitrogen. | Chlorine. | Total Hardness. | |
| A. December, 1898 | 7.9 | 40.88 | .308 | .072 | 016 | .483 | .568 | 2.0 | 26.6 |
| January, 1899 | 6.0 | 41.56 | .307 | .044 | .018 | .426 | .485 | 2.0 | 26.9 |
| February „ | 7.5 | 41.36 | .303 | .046 | .019 | .375 | .437 | 2.1 | 28.1 |
| March „ | 8.2 | 37.20 | .248 | .039 | .004 | .259 | .301 | 2.0 | 23.1 |
| April „ | 11.4 | 37.76 | .368 | .016 | .017 | .342 | .402 | 2.0 | 25.1 |
| May „ | 12.7 | 31.40 | .401 | .069 | .018 | .116 | .200 | 1.9 | 191 |
| June „ | 18.7 | 29.76 | .271 | .046 | .012 | .137 | .193 | 2.0 | 20.0 |
| July „ | 17.8 | 29.88 | .240 | .048 | .010 | .151 | .207 | 2.0 | 19.7 |
| August „ | 23.4 | 27.20 | .248 | .033 | .010 | .093 | .134 | 2.1 | 18.0 |
| September „ | 20.0 | 32.40 | .198 | .042 | .018 | .237 | .294 | 2.0 | 20.3 |
| October ,, | Not given | ||||||||
| November „ | |||||||||