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34
more obvious on certain track areas. Certain variations of treatment were made on
occasions as the effectiveness of the treatment became apparent during July. The
results obtained proved highly satisfactory and the experiment was well worth while.
By arrangement with D.S.I.R., future observations will be made in order to
ascertain the effect of this treatment in relation to the over-wintering of flies.
Thanks are due for the co-operation ,of the Cleansing Superintendent and the
representatives of the D.S.I.R. and for all the assistance given in order that the
above treatment could be carried out satisfactorily.
Treatment of Salvage Bins.
Arrangements were made during the year in conjunction with the Cleansing
Department, for the treatment with D.D.T. of 50 kitchen waste bins. 11 was proposed
to compare the results with a similar number of untreated bins in an adjoining area.
It was impossible to commence this work until August, and it was found that heavy
infestations of salvage bins were very rare, both in the treated and untreated bins.
A few bins were found to be more regularly infested than others, and whether or not
the treatment which was being carried out at Ashburton Grove Depot at the same
time affected the number of flies found in the bins cannot be proved, but may be
regarded as a distinct possibility.
Steam Disinfection.
52,986 articles of clothing or bedding were subjected to steam disinfection at
the Disinfecting Station (43,990 for clothing contractors).
In addition, 121 tons, 12 cwt. 2 qtrs. of material was disinfected for clothing
contractors.
Public Health (London) Act, 1936—Emission of Smoke.
The Council appointed two representatives to serve on the London and Home
Counties Smoke Abatement Advisory Council for this year.
The position relative to the abatement of smoke nuisances showed an
improvement from last year. The factory proprietors and staffs continued to
co-operate as much as possible, and there was a decrease in the number of complaints
received and the notices required to be served.
The Ministry of Fuel and Power continued to assist wherever possible, and
thanks are due to the Ministry for the facilities which they have placed at the disposal
of the Council in order that complaints of smoke nuisances may be kept to a minimum.
Number of complaints received during year 29
Number of observations made 139
Number of inspections and re-visits157
Number of notices served 5
Number of notices complied with 3
WORK OF SANITARY INSPECTORS ADMINISTERING FACTORIES ACT, 1937,
FOOD AND DRUGS ACT, 1938, AND OTHER RELEVANT ACTS.
Inspections and Re-Visits.
5,825 inspections and 5,120 re-visits were made by the Inspectors, These are
summarised as follows;—