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

Croydon 1936

[Report of the Medical Officer of Health for Croydon]

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237
The following tables summarise the results of the bacteriological
examinations of Pasteurised Milk Samples from 1st June
to 31st December, 1936:—

Table: Table XVIII.

Table XVIII.

PASTEURISED milk (Licences granted under the Milk (Special Designations) Order, 1936).Present.Absent.Over 100,000 per m.l.Under 100,000 per m.l.Present.Absent.Present.Absent.Present.Absent.Present.Absent.
Tubercle bacillus...105
Total number of bacteria5100
Bacillus Coli3669
Blood...105
Pus...105
Detritus...105
...10551003669...105...105...105

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The above 105 Pasteurised Milk Samples contained bacteria
per m.l. as follows:—
Under 1,000 3
1,000—5,000 35
5,000—10,000 19
10,000—20,000 13
20,000—30,000 15
30,000—50,000 9
50,000—100,000 6
Over 100,000 5
105
Under the Regulations Pasteurised Milk must not contain
more than 100,000 bacteria per millilitre.
PROVISION AS TO MILK SUPPLY.
During the year 240 samples of ordinary milk were procured
and submitted to examination for tuberculosis in accordance with
the Milk and Dairies (Consolidation) Act, 1915.