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Disinfestation. A lew cases of infestation by beetles,
crickets, and ants were brought to the notice of the inspectors who
advised use of a preparation of equal parts of sodium
fluoride and flour, or one of the proprietary insecticides. With
regard to bug infestation, this is dealt with in two ways. In the
case of newly let houses the responsibility of cleansing and freeing
the premises from these pests is placed on the owner, who is
required to remove all detachable woodwork, strip all walls, apply
a blow-lamp to all surfaces, and spray with a suitable insecticide
or wood naptha. Tenants are advised to wage constant rather than
spasmodic warfare and to observe strict cleanliness. The use of
soap and water and a suitable insecticide is usually found to be
effective. Where the trouble is found to be caused by a dirty tenant
a notice is served upon him requiring him to carry out the necessary
cleansing. Hydrocyanic acid gas has not so far been sponsored by
this authority.
Rats. Under the provision of the Rats and Mice (Dectruction)
Act, 1919, the clearing of premises of rats and mice rests with
the occupier as well as the owner. Every effort is made, however,
by the department to assist occupiers in the attempt to exterminate
these pests.
National Rat Week was observed during the week ended
6th November, 1937. During the week approximately two
hundred large posters were obtained and placarded on the Council's
various hoardings throughout the district. A supply of the
Ministry of Agriculture's bulletin is constantly available, and is
issued throughout the year. In addition to this all industrialists
were supplied with a reprint, together with a letter from the Medical
Officer of Health inviting their co-operation.
It should be noted that in West Ham rat infestation is not
treated as a seasonal matter. During the year, of the 312 drainage
systems which were placed under test, the majority were
examined in an effort to trace the source of ingress of rats. In all
cases where drains were found to be defective, action was taken
and the necessary repairs or reconstruction enforced. From time
to time occupiers arc advised regarding rats and informed as to
the best methods and baits to use.
Extension of local powers. The West Ham Corporation
Act came into force on the 9th November, 1937. It contains several
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