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 1938

[Report of the Medical Officer of Health for Croydon]

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227
The following tables summarise the results of the bacteriological
examinations of Pasteurised Milk Samples during the
year :—

Table: Table XV.

Table XV.

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.
Tubercle bacillus...2
Total number of bacteria11161
Blood...172
Pus...172
Detritus...172
...17211161....172...172...172

Table: The above 172 Pasteurised Milk Samples contained bacteria per m.l. as follows :—

The above 172 Pasteurised Milk Samples contained bacteria per m.l. as follows :—

Under 1,0004
1,000—5,00036
5,000—10,00035
10,000—20,00040
20,000—30,00018
30,000—50,00019
50,000—100,0009
Over 100,00011
172

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Under the Regulations Pasteurised Milk must not contain
more than 100,000 bacteria per millilitre.