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74
ATMOSPHERIC POLLUTION
Clean Air Acts, 1956 and 1968
Smoke Control Orders
The implementation of the Council's smoke control programme
requires the making of seven Smoke Control Orders.
The Council's fourth Smoke Control Order became operative on
1st July 1972, and the fifth on 1st November 1972. The sixth
Smoke Control Order was made on 16th October 1972, and will
become operative on 1st November 1973.
A map showing the existing and proposed Smoke Control
Orders is shown in this section of the report.
Smoke, dust and grit nuisances and observations
During the year, 138 complaints were made alleging
nuisances from smoke, dust, grit, etc., emitted from premises in
the Borough. All received careful and sometimes prolonged
investigation.
Observations are also kept upon the chimneys of industrial
premises in the Borough and, when necessary, appropriate action
is taken. During 1972, 121 such observations were made.
Installation of furnaces
Notification is required, under Section 3 of the Clean Air Act,
1956, of any proposal to install a furnace with a heating capacity
of 55,000 or more British thermal units per hour. This section,
which does not apply to furnaces designed solely or mainly for
use for domestic purposes, is designed to ensure that any new
furnaces installed shall be, as far as is practicable, capable of
being operated continuously without emitting smoke. Five such
notifications were received during the year.
Measurement of atmospheric pollution
Daily readings of the concentration of smoke and sulphur
dioxide(SO2) in the atmosphere were continued during the year
at the three stations in the Borough where recording apparatus
is maintained. Readings at the Tooting Library station were
discontinued from September 1972 by agreement with the