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 East Ham]
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Typhoid Fever), and submitted them to Thomas A. Pooley Esq., B.Sc., &c., Public Analyst for the County of Essex whose Analysis was as follows:—
General appearance | Fairly bright, a small quantity of reddish brown sediment deposited. |
Colour in 2 ft. tube | Slight greenish tinge. |
Total solids dried at 230''F | 21 grains per gallon. |
Loss on ignition of same | 3.5 „ |
Chlorine | 1.66 „ |
Equal to Chloride of Sodium | 2 73 „ |
Nitrogen as Nitrates | 0.103 „ |
Equal to Nitric Acid | 0.463 „ |
Saline Ammonia | 0.0014 „ |
Albuminoid Ammonia | 00066 „ |
Oxygen absorbed from Permanganite acting for 15 minutes | 0.040 „ |
Ditto, 4 hours | 0.0355 „ |
Hardness before boiling | 17½ |
Hardness after boiling | 4½ |
Microscopical examination | Sediment mainly composed of mineral matters with a few fibres and some vegetable debris. |
Observations.
The analysis shows that this water has a composition
indentical with that of the public supply of the District in
which it was taken. I detected no unusual amount of organic
impurities, and I am of opinion it is of fair quality for dietetic
purposes.
(Signed),
THOMAS A. POOLEY, B.Sc., F.C.S., F.I.C.
(e.) The system of sewerage is by water carriage, where
the sewage is chemically treated and precipitated in tanks,
the effluent passing through filters and thence into Barking
Creek, the sludge being put on the land, where there is ample
space,