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63
during the season. The filtration plant and ehlorination
plant continue to work satisfactorily, and daily teats are
taken by the attendants for the purpose of ascertaining the
presence of free chlorine and to ensure that a slight
alkalinity is maintained.
(b) Privately Owned Baths.—Two samples of water
were taken from privately owned baths; B.Coli were
absent in both samples, but high counts of organisms found
in both samples indicated insufficiency of ehlorination.
The owners' attention was drawn to this defect with a view
to steps being taken to remedy the conditions found.
VERMINOUS HOUSES.
In 19 instances houses were specially inspected for
verminous conditions, of which fourteen were found
affected, and remediable measures were advised and carried
out.
(i). The number of Council houses found to be—
(a) Infested 10
(b) Disinfested10
(ii). The methods employed for the above were—
(a) Houses treated with Liquid Hydrogen
Cyanide 6
(b) Houses sprayed out with an insecticide
4
(iii). No steps are taken for ensuring that the
ings of tenants are free from vermin before
removal to Council houses as no provision is
made for inspection before acceptance of a
tenant.
(iv). The work of disinfestation is carried out by
fumigation with liquid hydrogen cyanide by
contractors under contract. Spraying is carried
out by the Local Authority in respect of
Council houses.
(v). Where houses are found to be infested the
tenants are instructed in the steps necessary
to keep beds and rooms free from re-infestation.
Frequent inspections are made.