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 I.—SINGLE AND DOUBLE COKE-BEDS—
| Date. | Number of grains of oxygen absorbed in 4 hours by one gallon of | |||
|---|---|---|---|---|
| Raw sewage. | Effluent from the single coke-bed (4 feet). | Effluent from the primary coke-bed (6 feet). | Effluent from the secondary cokebed (6 feet). | |
| 1898. | ||||
| October 24 | 3.000 | 1.474 | 1.368 | 1.158 |
| ,, 25 | 2.401 | 1.263 | 1.570 | 1.150 |
| ,, 26 | 3.460 | No sample | 2.098 | 1.260 |
| ,, 27 | 3.578 | 1.580 | 1.684 | .947 |
| ,, 28 | 2.632 | 1.369 | 1.684 | .947 |
| ,, 29 | 3.474 | 1.158 | 1.789 | .842 |
| ,, 31 | 3.895 | .737 | .947 | .526 |
| November 1 | 2.948 | .842 | 1.158 | .737 |
| ,, 2 | 4.315 | 1.158 | 1.263 | .842 |
| ,, 3 | 4.842 | 1.369 | 1.369 | .737 |
| ,, 4 | 4.526 | 1.789 | 2.000 | 1.263 |
| ,, 5 | 5.148 | 1.790 | 1.580 | 1.158 |
| ,, 7 | 3.333 | 1.183 | 1.075 | .860 |
| ,, 8 | 4.839 | 1.505 | 1.505 | .968 |
| ,, 9 | 6.666 | 1.936 | 2.258 | 1.505 |
| ,, 10 | 4.839 | 1.936 | 2.043 | 1.183 |
| ,, 11 | 4.839 | 2.258 | 2.581 | 1.390 |
| ,, 12 | 5.159 | 2.366 | 2.150 | 1.505 |
| ,, 14 | 3.646 | 1.770 | 1.980 | 1.354 |
| ,, 15 | 4.167 | 2.188 | 2.083 | 1.770 |
| ,, 16 | 2.917 | 1.354 | 1.354 | .938 |
| ,, 17 | 4.686 | 2.083 | 2.400 | 1.458 |
| ,, 18 | 3.437 | 1.770 | 1.875 | 1.354 |
| „ 19 | 4.800 | 2.397 | 2.917 | 2.083 |
| ,, 21 | 3.510 | 1.596 | 1.596 | .958 |
| ,, 22 | 2.979 | 1.702 | 1.596 | 1.064 |
| ,, 23 | 4.255 | 1.947 | 2.280 | 1.386 |
| „ 24 | 3.617 | 1.915 | 1.809 | 1.170 |
| ,, 25 | 4.149 | 1.702 | 2.021 | 1.170 |
| ,, 26 | 2.766 | 1.439 | 1.702 | .851 |
| ,, 28 | 4.639 | 2.211 | 2.315 | 1.702 |
| ,, 29 | 3.750 | 2.000 | 1.902 | 1.146 |
| ,, 30 | 3.646 | 1.042 | 1.875 | .968 |
| December 1 | 3.298 | 1.667 | 1.667 | 1.354 |
| ,, 2 | 2.708 | 1.224 | 1.354 | .842 |
| ,, 3 | 2.812 | 1.354 | 1.579 | 1.170 |
| ,, 5 | 2.948 | 1.580 | 1.580 | 1.052 |
| ,, 6 | 3.789 | 1.684 | 1.895 | 1.370 |
| ,, 7 | 2.234 | 1.277 | 1.170 | .851 |
| ,, 8 | 4.255 | 2.128 | 2.021 | 1.170 |
| ,, 9 | 3.510 | 2.021 | 1.809 | 1.064 |
| ,, 12 | 2.234 | 1.370 | 1.064 | .851 |
| ,, 13 | 3.043 | 1.290 | 1.489 | .957 |
| ,, 14 | 3.778 | 1.915 | 2.021 | 1.489 |
| ,, 15 | 2.979 | 1.595 | 1.595 | 1.070 |
| ,, 16 | 4.574 | 2.447 | 2.340 | 1.277 |
| ,, 17 | 2.842 | 1.489 | 1.489 | .959 |
| ,, 19 | 3.750 | 2.083 | 2.083 | 1.354 |
| ,, 20 | 4.688 | 2.400 | 2.701 | 1.875 |
| ,, 21 | 2.500 | 1.500 | 1.354 | .833 |
| ,, 22 | 3.125 | 1.701 | 1.701 | .938 |
| ,, 23 | 3.958 | 1.876 | 2.500 | 1.701 |
| ,, 28 | 3.474 | 1.791 | 1.895 | 1.052 |
| ,, 29 | 2.948 | 1.473 | 1.791 | .947 |
| ,, 30 | 5.155 | 3.093 | 2.800 | 1.443 |
| ,, 31 | 3.607 | 1.752 | 1.866 | 1.134 |
| 1899. | ||||
| January 2 | 3.100 | 1.500 | 1.600 | 1.000 |
| „ 3 | 3.263 | 1.684 | 1.684 | 1.172 |
| „ 4 | 3.548 | 1.915 | 1.753 | .968 |
| „ 5 | 2.553 | 1.383 | 1.250 | .851 |
| „ 6 | 4.255 | 2.426 | 2.234 | 1.489 |
| „ 7 | 2.632 | 1.489 | 1.489 | 1.172 |
| „ 9 | 2.653 | 1.328 | 1.429 | 1.124 |
| „ 10 | 4.082 | 2.245 | 2.449 | 1.430 |
| „ 11 | 3.535 | 1.818 | 1.818 | 1.111 |
| „ 12 | 3.300 | 1.700 | 1.500 | 1.000 |
| „ 13 | 2.600 | 1.300 | 1.600 | .800 |
| „ 14 | 3.800 | 2.000 | 2.100 | 1.400 |
| „ 16 | 3.918 | 2.268 | 2.062 | 1.237 |