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
Camberwell 1925
[Report of the Medical Officer of Health for Camberwell.
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38
As certain of the samples did not, in all respects, comply
with the conditions laid down by the Minister, the attention of
the distributors in question was called to the matter.
Further samples will be taken for examination, and if it is
found that they are not in accordance with the required standard
the matter will be dealt with as provided by the Order.
Bacteriological Examination of Milk.
The following table gives the results of the bacteriological
examinations of samples of graded and other milks: —
CERTIFIED MILK.
| No. | Date obtained. | Result of Bacteriological Examination. | Conditions prescribed for the Sale of Certified Milk. | |
|---|---|---|---|---|
| Bacteria Count. | Presence of Coliform Bacillus. | |||
| Per c.c. | ||||
| 3 | 27/4/25 | 10,000 | Absent in 48 hours. | Not more than 30,000 bacteria per c.c. and no coliform bacillus in one-tenth of a c.c. |
| 6 | 21/5/25 | 3,599 | Lactose fermenting organisms in 1 c.c. in 48 hours. | |
| 7 | 4/6/25 | 5,066 | Bacillus Coli present in 24 hours in all three tubes. This implies a lactose fermenting organism. | |
| 12 | 9/7/25 | 1,668,000 | Acid and gas in lactose in one-tenth c.c. in 24 hours. | |
| 13 | 30/7/25 | 25,900 | Acid and gas in lactose medium in one-tenth c.c. in 24 hours. | |
| 16 | 20/8/25 | 31,000 | Acid and gas in lactose in one-tenth c.c. in 24 hours. 1 cc. of milk acid and gas. | |
| 17 | 27/8/25 | 694,000 | Acid and gas in lactose in 24 hours. | |
| 18 | 3/9/25 | 608,000 | Acid and gas in one-tenth c.c. in 48 hours. Coli, i.e., acid and gas in 1 cc. in 24 hours. | |
| 19 | 17/9/25 | 9,400 | Acid and gas in lactose in one-tenth c.c. in 24 hours 1 c.c. acid and gas in 24 hours | |
| 22 | 5/10/25 | 25,000 | Acid and gas in lactose in one-tenth c.c. in 48 hours. B. coli in 1 c.c. 24 hours (acid and gas). | |
| 24 | 12/11/25 | 2,200 | Acid in one-tenth c.c. in 48 hours 1 c.c. acid and gas in 48 hours. | |
| 25 | 21/12/25 | 9,700 | Bacillus Coli absent in onetenth c.c. in 48 hours. Acid and gas in 1 c.c. in 48 hours. | |