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 Hornchurch]
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31
Grade of
Milk.
Number of
Bacteria.
Presence of
B. Coli.
Remarks.
17. Pasteurised 14,000 Absent in 1 c.c. Satisfactory.
18. ,, 18,000 Present in 0.1 c.c. ,,
19. ,, 38,000 Present in 0.01 c.c. ,,
20. ,, 12,000 Absent in 1 c.c. ,,
21. ,, 3,600 Absent in 1 c.c. ,,
22. ,, 3,800 Absent in 1 c.c. ,,
23. ,, 30,000 Absent in 1 c.c. ,,
24. ,, 6,000 Absent in 0.1 c.c. ,,
25. ,, 7,200 Absent in 0.1 c.c. ,,
26. Grade "A" 130,000 Present in 0.001 c.c. Unsatisfactory.
27. ,, 2,650 Absent in 1 c.c. Satisfactory.
28. ,, 3,900 Absent in 1 c.c. „
29. Grade "A"
(T.T.) 4,700 Absent in 1 c.c. ,,
30. ,, 11,000 Absent in 1 c.c. ,,
31. ,, 950 Absent in 0.01 c.c. ,,
32. Grade "A"
Pasteurised 1,080 Absent in 1 c.c. ,,
33. Ungraded 9,800 Absent in 1 c.c. ,,
34. ,, 17,000 Present in 1 c.c. Excess of cells
microscopically.
35. ,, 21,000 Present in 1 c.c. Satisfactory.
36. ,, 24,000 Present in 1 c.c. „
37. ,, 32.000 Present in 0.01 c.c. ,,
38. ,, 264,000 Present in 0.001 c.c. Unsatisfactory.
39. ,, 23,000 Present in 0.1 c.c. Satisfactory.
40. ,, 11,000 Present in 1 c.c. ,,
41. ,, 8,000 Absent in 1 c.c. ,,
42. ,, 18,000 Present in 0.1 c.c. ,,
43. ,, 32,000 Present in 0.001 c.c. Unsatisfactory.
44. ,, 650,000 Present in 0.0001 c.c. ,,
45. ,, 36,000 Present in 0.01 c.m. Excess of cells
microscopically.
46. ,, 24,000 Present in 0.01 c.c. Unsatisfactory.
47. ,, 19,500 Present in 0.01 c.c. Satisfactory.
48. ,, 43,000 Absent in 1 c.c. ,,
49. ,, 78,000 Absent in 1 c.c. Excess of cells
microscopically.
50. ,, 6,200 Absent in 1 c.c. Satisfactory.
51. ,, 15,000 Present in 0.1 c.c. ,,
52. ,, 42,000 Absent in 1 c.c. Excess of cells
microscopically.
53. ,. 48,000 Present in 0.01 c.c. Satisfactory.
54. ,, 17,400 Absent in 1 c.c. ,,
55. ,, 14,400 Absent in 1 c.c. Excess of cells
microscopically.
56. ,, 16,500 Present in 1 c.c. Satisfactory.