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31
Control of Rats in Sewers
I am indebted to the Borough Engineer and Surveyor for
particulars in regard to the control of rats in sewers. The Department
concerned carries out its own treatments but works in close
harmony with the Public Health Department and cooperates most
readily in the supply of information concerning progress, etc.
During the year, tenders were invited for the treatment of
sewers with Fluoracetamide. The comparative cost was considerably
greater than anticipated and consequently the scheme did not go into
operation during 1962. Reliance was once again placed in Zinc
Phosphide and Arsenious Oxide. The numbers of complete and
partial takes was higher than in 1961 , the complete figures being
given in the Statistical Section.
It is anticipated that Fluoracetamide will be used by the
Council's operators in 1963. Three treatments at 4 monthly intervals
have been suggested with unpoisoned baiting prior to the third
operation,
ATMOSPHERIC POLLUTION
Smoke Control Areas
The map reproduced shows Hampstead sub-divided into 12
areas for smoke control. Copies of this map have been issued in
some numbers to various departments of the Gas and Electricity
Boards , to fuel merchants and to other interested parties and it will
be seen that the Council's published programme had a target date of
1968 for completion of the programme.
Closer reference to the table of dates will show that Area
No. 5 was to be operative in 1963, and while this has been accomplished
it is now known that the planned timing of Nos. 6 and 7 will
be set back to 1964.
In spite of this a very close look at this aspect of the Department's
work has encouraged the Council to ask for a marked
acceleration of the programme and every effort is to be made to
complete the programme so that the whole of Hampstead is smoke
controlled by 1965. It is hoped that with the assistance of an