Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Southwark, Borough of]
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In addition, twenty-two warning letters were sent in respect of complaints made by members of
the public.
Milk distributors and sampling
There are 409 registered milk distributors in the Borough. Licences to expire on
31st December 1970, were issued as follows:
For sale of untreated milk 129
For sale of pasteurised milk 392
For sale of sterilised milk 391
For sale of ultra heat treated milk 123
Samples of milk for chemical and bacteriological examination were obtained from milk distributors in the Borough and also from schools and day nurseries with the following results:
No. of samples | Satisfactory | Unsatisfactory | |
---|---|---|---|
Chemical examination | 158 | 158 | – |
Bacteriological examination 184 | 179 | 5 |
The five unsatisfactory samples which failed the Methylene Blue Test were
taken up with the distributors concerned and subsequent samples were found to be
satisfactory.
Ice Cream
Seventy-five samples of ice cream were examined with the following results:
Methylene Blue Grading Soft Ice Cream Other Ice Cream
Grade 1 (satisfactory) 10 38
Grade 2 (sub-standard) 6 6
73