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During the year the Health Department became aware, by notification
or otherwise, of the installation of furnaces, which appear to
meet the requirements of the section, in existing buildings as
follows:—
Oil fired. Gas fired. Solid fuel.
Factories 9 1 1
Dwellings 43 31 1
Commercial premises 13 2 —
In addition, three industrial incinerators of an approved type were
installed and nine existing industrial furnaces converted to oil burning.
Included in these conversions were six reverberatory furnaces
which were previously fired by producer gas, a system which requires
the utmost care in operation to minimise the emission of smoke and
fumes. Prior to the changeover, early in the year, there had been a
long history of complaint from the public and representations by this
Department, to the Company, and it is pleasing to record that in the
second half of the year there were no objectionable emissions.
Section 10.
When the deposited plans for the erection or extension of a
building other than a dwelling, shop or office, include the provision
of a chimney, the local authority must be satisfied that the height of
the chimney will be sufficient to disperse adequately any smoke, grit,
dust or gases emitted from it.
During the year agreement was reached in respect of suitable
heights for six new chimneys.
Section 11.
Wembley No. 1 (Barn Hill) Smoke Control Area.
The year under review saw both the confirmation of the above
Order by the Minister of Housing and Local Government and its
coming into operation, and more than fourteen hundred buildings
occupying nearly three hundred acres became subject to control.
It is thought that as a result, more than seven hundred tons of raw
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