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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VII.—FURTHER BACTERIOLOGICAL RECORDS FROM AUGUST 9th TO DECEMBER 31st, 1898
Addendum A.—Showing the total number of bacteria in 1 c.c. ot Crossness crude sewage: and in 1 c.c. of effluents from 4-ft., 6-ft. (primary), and 6-ft. (secondary) Coke-bed.
Total number of bacteria in 1 c.c.
| Date. | Crossness crude sewage. | Effluent from 4-ft. Coke-hod | Effluent from 6-ft. (primary) Cote-bed | Effluent from 6-ft. (secondary) Coke-bed |
|---|---|---|---|---|
| 1898. August 19 | 5,800,000 | 3,400,000 | _ | - |
| „ 24 | 4,100,000 | - | 5,700,000 | - |
| September 14 | 8,000,000 | 3,400,000 | - | - |
| „ 21 | 8,600,000 | - | 7,200,000 | - |
| 28 | 7,500,000 | 7,500,000 | - | - |
| October 5 | 10,500,000 | - | 8,000,000 | - |
| „ 12 | 4,000,000 | 4,200,000 | - | - |
| „ 21 | 8,000,000 | - | 15,800,000 | - |
| „ 26 | 5,200,000 | - | - | 3,100,000 |
| November 9 | 7,800,000 | 8,800,000 | - | - |
| „ 16 | 5,800,000 . | - | 5,300,000 | - |
| „ 23 | 8,600,000 | - | - | 4,500,000 |
| „ 30 | 13,500,000 | 5,400,000 | - | - |
| December 7 | 5,600,000 | - | 4,000,000 | - |
| „ 14 | 19,500,000 | - | - | 5,300,000 |
| „ 21 | 7,400,000 | 6,300,000 | - | - |