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 1949
[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. | Satisfied. | Not Satisfied. | Satisfied. | |
| 190 | 1 | 189 | 2 | 188 |
Heat Treated Milk.
| No. Samples Taken. | Methylene Blue Test. | Phosphatase Test. | ||
|---|---|---|---|---|
| Not Satisfied. | Satisfied. | Not Satisfied. | Satisfied. | |
| 39 | Nil | 39 | 1 | 38 |
Non-designated Milk.
| No. Samples Taken. | Methylene Blue Test . | |
|---|---|---|
| Not Satisfied. | Satisfied. | |
| 53 | Nil | 53 |