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
Lambeth 1965
[Report of the Medical Officer of Health for Lambeth Borough]
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| Source of supply | BEFORE TREATMENT | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of samples | Agar plate count per ml. | Coliform count | Escherichia coli count | ||||||||
| 20-24 hours at 37 C. | 3 days At 22 C. | Per cent, samples negative in 100ml. | Count per 100ml. | Per cent, samples negative in 100ml. | Count per 100ml. | ||||||
| * Thames-derived South of River | |||||||||||
| Honor Oak | 112 | 0.1 | 5 | 99.11 | 0.3 | 100.0 | - | ||||
| * Hampton, Surbiton and Walton. | |||||||||||
| Source of supply | AFTER TREATMENT | ||||||||||
| Number of samples | Agar plate count per ml. | Coliform count | E. coli count | ||||||||
| 20-24 hours at 37 C. | 3 days at 22 C. | Per cent. samples negative in 100 ml. | Per cent. samples negative in 100 ml. | ||||||||
| * Thames-derived South of River | 1,842 | 7.3 | 99.89 | 100.0 | |||||||
| Honor Oak | 118 | 0.2 | 2 | 100.0 | 100.0 | ||||||
| * Hampton, Surbiton and Walton. | |||||||||||