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 COKE-BED (4 FEET).
| Date. | Number of times filled daily. | Number of grains of oxygen absorbed in 4 hours by one gallon of | |
|---|---|---|---|
| Raw sewage. | Effluent. | ||
| 1898. | |||
| May 9 | twice | 3.412 | 2.000 |
| „ 10 | ,, | 3.046 | 1.864 |
| „ 11 | ,, | 6.304 | 3.812 |
| „ 12 | 2.381 | 1.547 | |
| „ 13 | ,, | 2.262 | 1.190 |
| „ 14 | once | 5.000 | 2.619 |
| „ 16 | twice | 2.941 | 1.529 |
| „ 17 | ,, | 4.353 | 2.588 |
| „ 18 | ,, | 3.294 | 1.765 |
| „ 19 | ,, | 6.941 | 3.529 |
| „ 20 | ,, | 3.176 | 1.412 |
| „ 21 | once | 6.000 | 2.706 |
| „ 23 | twice | 4.128 | 1.517 |
| „ 24 | ,, | 3.042 | 1.639 |
| „ 25 | ,, | 6.934 | 2.552 |
| „ 26 | ,, | 2.170 | 1.012 |
| „ 27 | ,, | 3.544 | 1.531 |
| Rest for Whitsun Holidays. | |||
| Jane 1 | twice | 3.725 | 1.126 |
| „ 2 | ,, | 4.010 | 1.549 |
| „ 3 | ,, | 3.091 | 1.440 |
| „ 4 | once | 3.357 | 1.238 |
| „ 6 | twice | 4.052 | 1.549 |
| „ 7 | ,, | 2.966 | 1.420 |
| „ 8 | ,, | 5.701 | 2.013 |
| „ 9 | ,, | 3.433 | 1.119 |
| „ 10 | ,, | 3.327 | 1.027 |
| „ 11 | once | 2.094 | .845 |
| „ 13 | twice | 3.218 | 1.010 |
| „ 14 | 2.195 | .857 | |
| „ 15 | ,, | 6.540 | 2.314 |
| „ 16 | ,, | 4.041 | 1.229 |
| „ 17 | ,, | 2.764 | 1.324 |
| „ 18 | once | 3.333 | 1.018 |
| „ 20 | twice | 6.445 | 3.950 |
| „ 21 | ,, | 4.213 | 2.124 |
| „ 22 | ,, | 5.000 | 2.745 |
| „ 23 | once | 7.412 | 4.926 |
| Rest from June 23rd to July 10th. | |||
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-bpd (6 feet). | Effluent from the secondary coke-bed (6 feet). | |
| 1898. | ||||
| July 12 | 2.948 | 1.684 | 1.684 | .842 |
| „ 13 | 3.438 | 1.458 | 1.770 | .833 |
| „ 14 | 3.473 | 1.788 | 2.000 | 1.052 |
| 15 | 2.000 | 1.472 | 1.684 | .631 |
| 16 | 3.474 | 1.472 | 1.800 | .631 |
| „ 18 | 1.702 | .850 | .957 | .532 |
| „ 19 | 6.702 | 2.553 | 3.085 | 1.808 |
| „ 20 | 3.085 | 1.808 | 1.480 | .850 |
| „ 21 | 4.213 | 1.808 | 1.916 | 1.143 |
| „ 22 | 2.065 | 1.260 | 1.260 | .644 |
| „ 25 | 1.950 | 1.055 | .975 | .529 |
| „ 26 | 1.961 | 1.168 | 1.382 | .529 |
| „ 27 | 3.307 | 1.371 | 1.653 | .952 |
| „ 28 | 2.584 | 1.069 | 1.395 | .847 |
| „ 29 | 7.610 | 2.314 | 2.647 | 1.666 |
Rest to August 2nd (Bank Holiday).