London's Pulse: Medical Officer of Health reports 1848-1972

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Teddington 1936

[Report of the Medical Officer of Health for Teddington]

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Table showing the Results of Bacteriological Examination of Milk

Samples, 1936.

Sample.Organisms per c.c.Minimal amount showing presence of B. Coli.Bacteriologist's Remarks.
18,500Absent in 1 c.c.Obviously a Pasteurised milk from absence of B. coli in i c.c.
2.9,000Absent 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.
4.6,000Absent in 1 c.c.Figures suggest that this milk has been Pasteurised.
5.50,000Present in 1 c.c.Comparable to a Pasteurised milk of standard grading.
6.35,000Present in 0.1 c.c.Comparable to a Pasteurised milk of standard grading.
7.800,000Present in 0.1 c.c.Milk shows high coliform and bacterial content, and does not approach standard of any graded milk.
8.34,200Present in 0.1 c.c.Comparable to a Pasteurised milk of standard grading.
8.5,500Present in 0.1 c.c.Comparable to a Pasteurised milk, but evidently not efficiently heated.
10.16,000Present in o.o1 c.c.Comparable to a Pasteurised milk, but evidently not efficiently heated.
11.250Conforms to prescribed conditions for Pasteurised milk.
12.4,000Conforms to prescribed conditions for Pasteurised milk.