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 Heston and Isleworth]
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Grand Junction (Hampton) General Well (Feb. 20th to March 14th inclusive).
Day of Month. | Number of Microbes per c.c. Agar at 37° counted 20—24 hours. | B. Coli Test | ||
---|---|---|---|---|
100 c.c. | 10 c.c. | |||
Presumptive | Confirmatory gl. | Presumptive. | ||
1930. | ||||
Feb. 20 | 1.6 | 0 | ||
21 | 1.2 | 0 | ||
24 | 0.5 | 0 | ||
25 | 0.8 | 0 | ||
26 | 1.4 | B | 0 | |
27 | 2.4 | B | 0 | |
28 | 1.2 | 0 | ||
Mar. 3 | 1.1 | 0 | ||
4 | 0.6 | 0 | ||
5 | 1.3 | 0 | ||
6 | 0.3 | 0 | ||
7 | 1.4 | 0 | ||
10 | 0.8 | 0 | ||
11 | 0.5 | 0 | ||
12 | 0.6 | 0 | ||
13 | 1.2 | 0 | ||
14 | 0.5 | 0 | ||
B = Lactose + Indol + Saccharose — Microbes. |