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
Mitcham 1957
[Report of the Medical Officer of Health for Mitcham]
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Eight samples of ice-cream were taken and examined for bacteriological purity. The results are tabulated below: —
| Provisional Grade. | ||||
|---|---|---|---|---|
| I | II | III | IV | |
| Coliforms absent | 7 | 1 | — | — |
| Coliforms present in 1 /10th ml | — | — | — | — |
| Faecal coli present (in addition to above) | - | -_ | -_ | - |
Bacteriological Examination of Cups and Glasses
Ninety swabs were taken from tea cups at various catering
establishments and eleven swabs were taken from beer glasses at
various public houses during the year, and were submitted to the
Public Health Laboratory for bacteriological examination. The
results are tabulated below: —
Tea Cup Swabs.
Result
| Colony Count (per cnp). | Coliforms | Faecal Coli | Satisfactory. | Unsatisfactory. | ||
|---|---|---|---|---|---|---|
| Present. | Absent. | Present. | Absent. | |||
| Under 100 | 1 | 58 | — | 1 | 59 | — |
| 100-200 | — | 7 | — | — | 3 | 4 |
| 200-500 | 1 | 15 | — | 1 | 8 | 8 |
| 500-1,000 | — | 1 | — | — | — | 1 |
| 1,000-1,500 | 2 | 1 | — | 2 | — | 3 |
| 1,500-2,000 | ||||||
| 2,000 and over | 1 | 3 | 1 | — | — | 4 |
| Total | .. 5 | 85 | 1 | 4 | 70 | 20 |
Beer Glass Swabs.
Result
| Colony Count (per glass). | Coliforms | Faecal Coli | Satisfactory. | Unsatisfactory. | ||
|---|---|---|---|---|---|---|
| Present. | Absent. | Present. | Absent. | |||
| Under 100 | — | 8 | — | — | 8 | — |
| 100-200 | — | —— | — | — | — | — |
| 200-500 | — | — | — | — | — | — |
| 1,000-1,500 | — | 1 | — | — | — | 1 |
| 1,500-2,000 | — | — | — | — | — | — |
| 2,000 and over | 1 | 1 | — | 1 | — | 2 |
| Total | 1 | 10 | — | 1 | 8 | 3 |
The result of the swabs was sent to the establishments concerned.