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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Table: The following tables summarise the result of the bacteriological examinations of Certified, Grade A (Tuberculin Tested), Grade A and Pasteurised samples, from 1st January to 31st May, 1936:—T able XIII.

The following tables summarise the result of the bacteriological examinations of Certified, Grade A (Tuberculin Tested), Grade A and Pasteurised samples, from 1st January to 31st May, 1936:—

T able XIII.

CERTIFIED MILKPresent.Absent.IOver 30,000 per c.c.Under 30,000 per c.c.Present in 1/10 c.c.Not present in 1/10 c.c.Present.Absent.Present.Absent.Exceeding a trace.Not exceeding 1 a. trace.
Tubercle bacillus...2
Total number of bacteria...2
Bacillus Coli...2
Blood...2
Pus...2
Detritus...2
...2...2...2...2...2...2

Table: The above 2 Certified Milk samples contained total bacteria per c.c. as follows:—

The above 2 Certified Milk samples contained total bacteria per c.c. as follows:—

5,000—10,0001
20,000—30,0001
2

Table: Under the Regulations Certified Milk must not contain more than 30,000 bacteria per c.c.T able XIV.

Under the Regulations Certified Milk must not contain more than 30,000 bacteria per c.c.

T able XIV.

GRADE A (TUBERCULIN TESTED) AND GRADE A MILKS.Present.Absent.Over 200,000 per c.c.Under 200,000 per c.c.Present in 1/100 c.c.Not Present in 1/100 c.c.Present.Absent.Present.Absent.Exceeding a trace.Not exceeding a trace.
Tubercle bacillus232
Total number of bacteria133
Bacillus Coli133
Blood Pus...34...34
Detritus...34
23133133...34...34...34