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Co-operation by the public continues to be good, but in seventeen
cases it was necessary to remind householders living in the
first three areas that the emission of smoke from unauthorised
is an offence.
(b) Industrial Smoke. Nine notifications of intention to install
new furnaces were received, of these seven were oil fired, one gas
fired, and the other was a conversion from hand firing to a chain
grate stoker. There is a marked tendency for new installations to
be fired which should reduce smoke emission to a minimum.
Obsecrations continue to be made on chimneys from large
Mistrial boilers. Two hundred and eighteen such observations were
made during he year and there were eleven contraventions of the
Smoke (Permitted Periods) Regulations, 1958. In most of these
casess warning letters were sent to the firms concerned.
(c) Measurement of Pollution. The two volumetric filters at
eastbury House and Rosslyn Road School have been working
thought the year, with the exception of the month of September
when the apparatus at Eastbury House was out of commission. These
fiIters meas ure the smoke and sulphur dioxide in the atmosphere and
the results are shown in Graphs Nos.1 and 2. The average conception
of smoke shows a seven per cent reduction compared with 1962,
the pollution from sulphur dioxide shows a reduction of 21%.
this latter figure is due to the high figure for 1962, owing to the
usurious fog in December of that year.
(d) Co-operation with other Authorities. The Council are
Presented at the Standing Conference of Co-operating Bodies for
atmospheric pollution which meets under the auspices of the Depart-
of Scientific and Industrial Research. The Conference
coordinates the activities of all authorities and organisations
carrying out atmospheric pollution measurements.
Council representatives continue to take part in discussions
whit neighbouring authorities in connection with the administration
the Clean Air Act. The discussions are mainly concerning Smoke