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a Case of infection in a house, instructs the Sanitary Inspector to
call and make full investigations as to the number of children in
the house; also whether they are in attendance at any School, and
any other relevant details. In addition he informs the parents
that their children must not return to School until the house has
been officially certified as free from infection. Upon receipt of the
report of the Inspector, the Head Teacher of all Schools involved
(Day and Sunday) are notified immediately by the issue of a red
coloured notice, requesting exclusion of the children from the
infected house. This notice is followed up by a white notice freeing
the family from quarantine at the completion of the necessary
isolation, and the official disinfection of the premises. A supply
of disinfectants for general or special use in Schools is supplied
by the Education Authority.
No School or Department was closed during the year on
account of the prevalence of any infectious disease.
No complaints were received with regard to unsatisfactory
water supply.
SWIMMING BATHS AND POOLS.
Mr. J. D. Sutton, Superintendent Engineer, reports as
follows:—
In connection with the management of Swimming Pools
under the control of the West Ham Council, every care is taken
to ensure the water being continually in a safe and satisfactory
condition.
During the periods when the Pools are available to the public
the water in every establishment is continually Filtered, Aerated
and Sterilised. The latter result is attained by means of Liquid
Chlorine. Filtration is rendered more efficient by the use of
Sulphate of Alumina as a means to effect a coagulation on the
surface of the filtering media.
Daily tests are taken to ascertain the presence of free Chlorine,
and every endeavour is made to allow only .3 parts per million
of water. I am very particular about the results of these tests for
two obvious reasons:—
(a) To ensure the water being perfectly sterilised.
(b) To endeavour to cause no discomfort to the bathers
by excess of free Chlorine in the water.
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