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
City of London 1910
[Report of the Medical Officer of Health for London, City of ]
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41
Dr. Klein reported thereon as under:—
Bacteriological Analysis of Samples of Soda Water
During October-November, 1910
No. of
Sample.
No. of Microbes
per 1 c.c.
Presence of
B. coli
in 10 c.c.
Presence of
b. coli
in 1 c.c.
Result.
1
Eight
Negative
Negative
Pure.
2
Uncountable
Positive
Positive
Impure.
3
Less than ten
Negative
Negative
Pure.
4
Very few
Negative
Negative
Pure.
5
Several
hundred
Positive
Positive
Impure.
6
Innumerable
Positive
Positive
Impure.
7
One
Negative
Negative
Pure
8
Three
Negative
Negative
Pure
9
Over 300
?
Negative
Pure
10
Ten
Negative
Negative
Pure
11
None
Negative
Negative
Pure
12
None
Negative
Negative
Pure
13
None
Negative
Negative
Pure
14
Two
Negative
Negative
Pure
15
Few air borne
Negative
Negative
Pure
16
None
Negative
Negative
Pure
17
None
Negative
Negative
Pure
18
None
Negative
Negative
Pure
19
One
?
Negative
Fairly Pure
20
None
Negative
Negative
Pure
21
48
Negative
Negative
Fairly Pure.
22
115
Positive
Negative
Impure.
23
None
Negative
Negative
Pure.
24
None
Negative
Negative
Pure.
25
Few
Negative
Negative
Pure.
26
None
Negative
Negative
Pure.
27
None
Negative
Negative
Pure.
28
None
Negative
Negative
Pure.
29
None
Negative
Negative
Pure.