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 Greenwich Borough]
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Sample No. | Date & Time | Nature & Temperature | No. of Bathers | Plate Count per ml. Yeastral Agar 2 days 37°C. | Probable No. of Coliform bacilli, per 100 ml. MacConkey 2 days 37°C. | Faecal Coli. per 100ml. | Result |
---|---|---|---|---|---|---|---|
1 | 22.3.61 3.00 p.m. | 2nd Class *Swimming 77°F. | 230 | 1 | — | — | Satisfactory |
2 | 17.4.61 11.55 a.m. | 2nd Class *Swimming 75 °F. | 110 | — | — | — | Satisfactory |
3 | 30.6.61 10.00 a.m. | 1st Class *Swimming 73°F. | 50 | — | — | — | Satisfactory |
4 | 30.6.61 10.00 a.m. | 2nd Class *Swimming 74°F. | 50 | — | — | — | Satisfactory |
5 | 18.7.61 11.10 a.m. | 2nd Class *Swimming 74 °F. | 115 | 1 (24 hrs.) | — | — | Satisfactory |
6 | 18.7.61 11.15 a.m. | 1st Class *Swimming 73°F. | 162 | 2 (24 hrs.) | — | — | Satisfactory |
7 | 22.9.61 11.15 a.m. | 1st Class *Swimming 76" F. | 12 | 80 cols./ml. (24 hrs.) | — | — | Satisfactory |
8 | 22.9.61 11.20 a.m. | 2nd Class *Swimming 77*F. | 200 | 45 cols./ml. (24 hrs.) | — | — | Satisfactory |
9 | 11.12.61 11.45 a.m. | 2nd Class *Swimming 77°F. | 50 | 15 cols./ml. (24 hrs.) | Satisfactory | ||
* Mixed Bathing |