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 1968

[Report of the Medical Officer of Health for Lambeth Borough]

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Table: EXAMINATION OF WATER SUPPLYBacteriological Results — Yearly Averages 1968TABLE 'A'BEFORE TREATMENT

EXAMINATION OF WATER SUPPLY

Bacteriological Results — Yearly Averages 1968

TABLE 'A'

BEFORE TREATMENT

Agar plate count per ml.Coliform countEscherichia coli count
Source of SupplyNumber of Samples20-24 hours at 37° C.3 days at 37° C.Per cent. samples negative in 100 ml.Count per 100 ml.Per cent, samples negative in 100 ml.Count per 100 ml.
Thames-derived South of River1———————
Honor Oak360.35197.22—100.0—

Table: AFTER TREATMENT

AFTER TREATMENT

Agar plate count per ml.Coliform countE. coli count
Source of SupplyNumber of Samples20-24 hours at 37° C.3 days at 22° C.Per cent, samples negative in 100 ml.Percent, samples negative in 100 ml.
Thames-derived South of River*1,93110.899.79100.0
Honor Oak350.017100.0100.0

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* Hampton, Surbiton and Walton