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
Heston and Isleworth 1930
[Report of the Medical Officer of Health for Heston and Isleworth]
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Results of the Chemical and Bacteriological Examination ol Samples from Firestone Rubber Works, Brentford.
| Description of the Sample. | Day of month. | Ammon- iacal Nitrogen. | Albuminoid Nitrogen. | Oxidised Nitrogen. | Chlorine. | Oxygen abs. from Permanganate 3 hrs. at 80° F. | Turbidity, in terms of Sacch. Carb. of Iron. | Colour m.m. brown 2ft. tube, Burgess's Tintometer. | P.H. value. | Hardness (permanent). |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 1930 Feb. | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| F. 113 from ball valve Board's water | 28th | 0.0022 | 0.0074 | 1.50 | 0.088 | 28 | normal | |||
| A mixed sample from taps inside the building gave (showing the presence of adventitious water) | 2.60 |
Bacteriological Results.
Number of bacteria, per c.c. l.l (agar 37o C).
B. coli test. None in 100 c.c.
Spoting anaerobes (B. Welchii etc.) None in 20 c.o.
500 c.c. were examined for paratyphoid bacteria by special methods. None found