London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Croydon 1945
[Report of the Medical Officer of Health for Croydon]
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| Present. | Absent. | Over 100,000 per M.l. | Under 100,000 per M.I. | Present. | Absent. | Present. | Absent. | Exceeding a trace. | Not exceeding a trace. | Satisfied. | Not satisfied | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tubercle bacillus | - | 70 | - | - | - | - | - | - | - | - | - | - |
| Total number of bacteria | - | - | 15 | 55 | - | - | - | - | - | - | - | - |
| Blood | - | - | - | - | - | 70 | - | - | - | - | - | - |
| Pus | - | - | - | - | - | - | - | 70 | - | - | - | - |
| Detritus | - | - | - | - | - | - | - | - | - | 70 | - | - |
| Methylene Blue Test | - | - | - | - | - | - | - | - | - | - | 52 | 18 |
| Totals | - | 70 | 15 | 55 | - | 70 | - | 70 | - | 70 | 52 | 18 |
BACTERIOLOGICAL EXAMINATIONS OF ICE CREAM.
The manufacture of ice cream was recommenced during the
year, and 24 samples were obtained for bacteriological examination,
with results as follows :—
Bacterial Count.
No. of
Organisms per ml. Samples.
Under 1,000 7
Over 1,000 and under 10,000 6
Over 10,000 and under 50,000 2
Over 50,000 and under 100,000 -
Over 100,000 and under 200,000 3
Over 200,000 and under 500,(MX) -
Over 500,000 and under 1,000,000 -
Over 1,000,000 6
Total 24
No. of
Bacillus Coli. Samples.
Absent in l/10th cc. 16
Present in 1/10th but absent in 1/100th cc. 4
Present in 1/100th but absent in 1/1,000 cc.
Present in 1/1,000 cc. 1
Total 24
There is no bacteriological standard for Ice Cream.