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 1956
[Report of the Medical Officer of Health for Croydon]
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Pasteurised Milk
| No. Samples Taken | Methylene Blue Test | Phosphatase Test | ||
|---|---|---|---|---|
| Not Satisfied | Sat isf ied | Not Satisfied | Sat isfied | |
| 212 | - | - | ||
Sterili sed Milk
| No. Samples Taken | Turbidi | ty Test |
|---|---|---|
| Not Satisfied | Satisfied | |
| 5 | NIL | 5 |
BACTERIOLOGICAL EXAMINATION OF CREAM
Fifteen samples of fresh cream were examined and in four
cases, whilst no disease producing organisms were present, findings
indicated that quicker cooling and more care in handling
was required.
The processes of manufacture were followed through and
sampled at stages, and amendments suggested, which produce:
satisfactory results.
| Grade | No. of Samples |
|---|---|
Of the total samples taken, 13 (7.26 per cent.) failed tt
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,