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112
The alkalinity is due to the presence of sodium carbonate, the quantity
of that body found being 26.5 parts per 100,000.
The sample contained 3.4 parts per 100,000 of oxide of aluminium
(Al2 O3) possibly due to the action of the alkaline water on the metal of which
the kettle is made. It is doubtful if this quantity would have harmful effect
on persons drinking the water."
With this opinion I agree; there is no record up to the present of any harmful
effect due to the ingestion of the oxides of aluminium.
In connection with a large block of offices newly erected in the year 1926, the
water supply was derived from a private well.
A certificate was furnished to the owners by the Analyst who examined the
water on their behalf expressing the following opinion:—
"This is a soft water conforming to a high standard of purity. There
is no evidence of any harmful contamination. The water is obtained from
the ereon sand formation of the London geological basin."
No water softeners are used in connection with either of the above supplies
of well water.
Other Propaganda Leaflets, etc.
Arrangements were continued with the co-operation of the Library Committee
for the distribution of two bookmarks, one for adults and one for children. On the
front information was given as to health and educational facilities afforded by the
Council. On the back of the bookmark for adults information was contained
respecting diphtheria antitoxin and the arrangements for the prevention of
diphtheria by immunisation. The back of the children's bookmark contained
hints to boys and girls on how to keep healthy.
A leaflet giving advice to women on constipation was also distributed by means
of " Please Take One " boxes in the public conveniences for women.
HOUSING.
During the year 982 houses occupied by the working classes were inspected;
this number consisted of 577 registered lodging houses and 405 non-registered
houses occupied by working classes. The total number of buildings in the Borough
occupied for dwelling purposes is given by the Census, 1921, as 3,473. The
number of tenements occupied by working classes as returned to the London
County Council is 8,571. This figure represents the total tenements in the
Borough consisting of one, two, three or four rooms.