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 Sutton and Cheam]
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Milk Supply.
There are 66 dairies and milkshops in the district;
15 persons whose premises are outside the district are
registered as retail purveyors. Routine inspection of
premises has again revealed that the provisions of the
Milk and Dairies Order, 1926, have been generally
well observed.
The following Licences to sell graded milks were granted in 1938 :—
Grade of Milk. | Type of Licence. | |
---|---|---|
Dealers'. | Supplementary. | |
Tuberculin Tested | 15 | 1 |
Accredited | .. | .. |
Pasteurised | 16 | 3 |
The following Tables show the results of examinations of samples of milk during 1938:—
Sample. | Temperature on arrival at Laboratory | Total Bacteria | Presence of B. Coli | Methylene Blue Test. Period before decolonisation (in hours) or satisfactory (S) |
---|---|---|---|---|
1 | .. | .. | Negative | S |
2 | .. | .. | ,, | S |
3 | .. | .. | S | |
4 | .. | .. | ,, | 4½ |
5 | .. | .. | ,, | 4 |
6 | 14° C. | 57,000 | + in l/100th c.c | No Test done |
7 | 8° C. | 48,500 | ,, | ,, |
8 | ,, | 44,500 | Negative | ,, |
9 | ,, | 43,500 | ,, | ,, |
10 | ,, | 32,500 | ,, | ,, |
11 | 13° c. | 16,960 | ,, | ,, |
12 | ,, | 63,000 | ,, | ,, |
13 | ,, | 17,600 | ,, | ,, |
14 | ,, | 153,000 | ,, | ,, |
l | 11° c. | 11,230 | Negative | S |
2 | ,, | 2,560 | ,, | S |
3 | ,, | 7,260 | ,, | s |
4 | ,, | 4,500 | ,, | S |