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
London County Council 1899
[Report of the Medical Officer of Health for London County Council]
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Table 6.—( continued).
| Date, 1899. | Number of times filled daily. | Number of grains of oxygen absorbed from permanganate in 4 hours by one gallon of— | ||||
|---|---|---|---|---|---|---|
| Crude sewage. | Effluent from series A. | Effluent from series B. | ||||
| Primary course bed. | Secondary coarse bed. | Primary coarse bed. | Secondary fine bed. | |||
| October 20th | Once | 3.861 | 2.178 | 1.287 | 1.584 | 0.792 |
| ” 21st | ” | 4.059 | 1.881 | 1.386 | 2.574 | 0.990 |
| ” 23rd | ” | 4.215 | 2.745 | 1.764 | 2.352 | 0.980 |
| ” 24th | ” | 4.313 | 2.549 | 1.470 | 2.549 | 1.078 |
| ” 25th | ” | 4.411 | 2.549 | 1.764 | 2.451 | 0.980 |
| ” 26th | ” | 4.411 | 2.156 | 1.078 | 2.647 | 0.980 |
| ” 28 th | ” | 3.235 | 1.764 | 1.372 | 2.254 | 0.784 |
| ” 30th | ” | 2.843 | 1.470 | 0.892 | 1.274 | 0.588 |
| ” 31st | ” | 4.803 | 2.352 | 1.372 | 2.156 | 0.882 |
| November 1st | ” | 4.509 | 1.961 | 1.176 | 2.254 | 0.882 |
| ” 2nd | ” | 5.294 | 2.843 | 1.764 | 2.352 | 0.980 |
| ” 3rd | ” | 4.313 | 2.745 | 1.570 | 1.961 | 0.882 |
| ” 4th | ” | 1.764 | 1.274 | 0.882 | 1.078 | 0.588 |
| ” 6th | ” | 2.156 | 1.176 | 0.784 | 1.078 | 0.686 |
| ” 7th | ” | 3.431 | 1.860 | 1.176 | 1.764 | 0.882 |
| ” 8th | ” | 2.941 | 1.570 | 1.372 | 1.078 | 0.588 |
| ” 9th | ” | 4.216 | 2.254 | 1.470 | 2.156 | 0.980 |
| ” 10th | ” | 2.843 | 1.863 | 1.078 | 1.667 | 0.686 |
| ” 13th | ” | 2.745 | 1.667 | 1.078 | 1.470 | 0.882 |
| ” 14th | ” | 4.803 | 2.745 | 1.372 | 2.156 | 1.078 |
| ” 15th | ” | 4.000 | 2.300 | 1.800 | 2.100 | 0.900 |
| ” 16th | ” | 4.400 | 2.700 | 1.300 | 2.200 | 1.100 |
| ” 17th | ” | 4.900 | 2.600 | 1.600 | 2.300 | 1.000 |
| ” 18th | ” | 4.100 | 3.400 | 1.800 | 2.500 | 0.900 |
| ” 20th | ” | 4.400 | 2.500 | 1.900 | 2.400 | 0.900 |
| ” 21st | ” | 4117 | 2.352 | 1.568 | 2.745 | 0.882 |
| ” 22nd | ” | 4.607 | 2.745 | 1.667 | 2.549 | 0.882 |
| ” 23rd | ” | 4.215 | 2.254 | 1.372 | 2.254 | 1.274 |
| ” 24th | ” | 5.000 | 2.156 | 2.058 | 2.549 | 1.372 |
| ” 25th | ” | 4.059 | 2.277 | 1.386 | 2.277 | 1.089 |
| ” 27th | ” | 4.950 | 3.366 | 2.376 | 3.366 | 1.584 |
| ” 28th | ” | 7.100 | 1.500 | 1.600 | 2.500 | 1.300 |
| ” 29th | ” | 5.500 | 3.200 | 1.900 | 3.400 | 1.600 |
| ” 30th | ” | 4.500 | 2.200 | 1.700 | 2.800 | 1.200 |
| December 1st | ” | 4.900 | 1.600 | 1.800 | 2.700 | 1.400 |
| ” 2nd | ” | 4.100 | 2.200 | 1.700 | 2.400 | 1.300 |
| ” 4th | ” | 5.000 | 3.000 | 2.000 | 2.900 | 1.200 |
| ” 5th | ” | 5.100 | 3.000 | 1.900 | 3.100 | 1.500 |
| ” 7th | ” | 4.653 | 2.574 | 1.683 | 2.772 | 1.287 |
| ” 8th | ” | 5.148 | 2.178 | 1.584 | 2.178 | 1.386 |
| ” 9th | ” | 4.300 | 2.500 | 1.700 | 2.300 | 1.200 |
| ” 11th | Twice | 4.500 | 2.400 | 1.700 | 1.800 | 1.300 |
| ” 12th | ” | 5.100 | 2.800 | 2.000 | 2.500 | 1.300 |
| ” 13th | ” | 5.100 | 2.700 | 1.800 | 2.500 | 1.200 |
| ” 14th | ” | 4.800 | 2.500 | 1.800 | 2.600 | 1.300 |
| ” 15th | ” | 4.100 | 1.900 | 1.700 | 2.800 | 1.500 |
| ” 16th | ” | 4.700 | 3.100 | 1.600 | 2.700 | 1.600 |
| ” 18th | ” | 4.300 | 2.100 | 1.700 | 2.100 | 1.400 |
| ” 19th | ” | 4.300 | 1.300 | 1.300 | 2.200 | 1.300 |
| ” 20th | ” | 5.300 | 2.900 | 2.000 | 3.000 | 1.700 |
| ” 21st | ” | 3.500 | 2.800 | 1.900 | 2.600 | 2.700 |
| ” 22nd | ” | 5.600 | 2.800 | 2.100 | 3.100 | 1.600 |
| ” 27th | ” | 4.700 | 3.300 | 1.700 | 2.700 | 1.600 |
| ” 28th | ” | 4.500 | 2.400 | 1.800 | 2.400 | 1.200 |
| ” 29th | ” | 4.900 | 2.500 | 2 000 | 3.400 | 1.500 |
| ” 30th | ” | 3.200 | 2.200 | 1.600 | 2.100 | 1.000 |
| Averages | 4.314 | 2.422 | 1.616 | 2.424 | 1.027 | |