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 1954
[Report of the Medical Officer of Health for Croydon]
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| Tubercu / in -Tes ted Pasteurised Milk | Methylene Blue Test | Phosphatase Test | ||
|---|---|---|---|---|
| No. Samples Taken | Not Satisfied | Satisfied | Not Satisfiec | Satisfied |
| 26 | – | 26 | – | 26 |
Pasteurised Milk
| No. Samples Taken | Methylene Blue Test | Phosphatase Test | ||
|---|---|---|---|---|
| Not Satisfied | Satisfied | Not Satisfied | Satisfied | |
| 307 | 1 | 306 | 4 | 303 |
Steril ised Milk
| No. Samples Taken | Turbidity Test | |
|---|---|---|
| Not Satisfied | Satisfied | |
| 4 | NIL | 4 |
BACTERIOLOGICAL EXAMINATIONS OF ICE CREAM
231 samples were taken, the results being as under:-
Grade No. of Samples
1 181
2 34
3 8
4 8
Out of a total of 231 samples taken, 16 (6.9 per cent.) failed
to reach a satisfactory standard of bacterial purity.
In all cases after the results of sampling are known, the
vendors and/or manufacturers are made aware of the results, and
where the Gradings are 3 or 4, then a visit is made, methods of
service or manufacture are investigated, faults rectified and
further samples taken.
CHEMICAL EXAMINATIONS OF ICE CREAM
9 samples were taken from local manufacturers and were found
to comply with the standard. •