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 Teddington]
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Samples, 1936.
Sample. | Organisms per c.c. | Minimal amount showing presence of B. Coli. | Bacteriologist's Remarks. |
---|---|---|---|
1 | 8,500 | Absent in 1 c.c. | Obviously a Pasteurised milk from absence of B. coli in i c.c. |
2. | 9,000 | Absent in 1 c.c. | Obviously a Pasteurised milk from absence of B. coli in i c.c. |
3. | 7,000 | - | Conforms to prescribed conditions for Pasteurised milk. |
4. | 6,000 | Absent in 1 c.c. | Figures suggest that this milk has been Pasteurised. |
5. | 50,000 | Present in 1 c.c. | Comparable to a Pasteurised milk of standard grading. |
6. | 35,000 | Present in 0.1 c.c. | Comparable to a Pasteurised milk of standard grading. |
7. | 800,000 | Present in 0.1 c.c. | Milk shows high coliform and bacterial content, and does not approach standard of any graded milk. |
8. | 34,200 | Present in 0.1 c.c. | Comparable to a Pasteurised milk of standard grading. |
8. | 5,500 | Present in 0.1 c.c. | Comparable to a Pasteurised milk, but evidently not efficiently heated. |
10. | 16,000 | Present in o.o1 c.c. | Comparable to a Pasteurised milk, but evidently not efficiently heated. |
11. | 250 | — | Conforms to prescribed conditions for Pasteurised milk. |
12. | 4,000 | — | Conforms to prescribed conditions for Pasteurised milk. |