Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Report on the sanitary condition of the Borough of Bermondsey for the year 1949
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For Chemical Examination under Milk (Special Designations) Regulations.
Pasteurised Milk (from schools) | 67 |
Pasteurised Milk (other than from schools) | 40 |
Tuberculin Tested | 2 |
Tuberculin Tested (Pasteurised) | 22 |
Heat Treated | 1 |
Sterilised Milk | 6 |
158 |
Fifty-eight samples of ice cream have been examined, with the
following results :—
1. Bacterial Count.
Up to 500 per 1 c.c. | 2 |
Over 500 to 1,000 per c.c. | 1 |
Over 1,000 to 5,000 per 1 c.c. | 8 |
Over 5,000 to 10,000 per 1 c.c. | 11 |
Over 10,000 to 50,000 per 1 c.c. | 22 |
Over 50,000 to 100,000 per 1 c.c | 4 |
Over 100,000 to 200,000 per 1 c.c. | 2 |
Over 200,000 to 400,000 per 1 c.c. | 4 |
Over 400,000 to 600,000 per 1 c.c. | – |
Over 600,000 to 1,000,000 per 1 c.c. | 2 |
Over 1,000,000 per 1 c.c. | – |
Over 2,000,000 per 1 c.c. | 1 |
Over 4,000,000 per 1 c.c. | 1 |
58 |
2. Presence of B. Coli.
B. Coli present in 1 c.c., 1 10th c.c. and 1 100th c.c. | 2 |
B. Coli present in 1 c.c. and 1 10th c.c. | 2 |
B. Coli present in 1 c.c. | 2 |
B. Coli absent in 1 c.c., 1 10th c.c., and 1 100th c.c. | 52 |
58 |
3. Methylene Blue Grading.
Grade 1 | 43 |
2 | 1 |
3 | – |
4 | 14 |
58 |