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38
OFFENSIVE TRADES
By the end of the year the Enfield (Offensive Trade) Order,
declaring a business dealing with butchers' waste to be an offensive
trade had not been confirmed, certain objections to the Order still
being under consideration.
Unfortunately, complaints concerning this business continued
to be received during the year.
ATMOSPHERIC POLLUTION
CLEAN AIR ACT, 1956
The provisions of this Act include those relating to the prohibition
of dark smoke from chimneys, measures for dealing with
grit and dust from furnaces, abatement of smoke nuisance and the
application of the Act to railway engines, vessels and Crown premises.
The second Enfield Smoke Control Order became operative on
November 1st, and the response by householders in complying with
the provisions of the Order has been encouraging. Meanwhile,
work proceeded apace with the Council's Smoke Control programme,
two further areas having been surveyed and reached the stage of
submission of the Orders to the Minister for confirmation.
In carrying out the Smoke Control programme, a very considerable
amount of work is involved on the part of both the inspectorial
and administrative staff. After the initial survey, the
proposals of the householder in adapting and converting appliances
must be approved by the Health Department, and after completion
the work must be inspected and claims investigated before the
grant is finally paid.
National Survey of Pollution.
A report by a Working Party set up by the Co-operating Bodies
in the Investigation of Atmospheric Pollution, suggested changes
in the method of measurement of pollution as the system in operation
was not giving a wholly satisfactory record of atmospheric
pollution in the country as a whole. To obtain uniform results
nationally, the Working Party considered it necessary to standardise
the observation sites, and also to recommend a standard method
of measurement. For this latter purpose the Volumetric Sulphur
dioxide method, which entails daily measurement of smoke by air
filtering and daily measurement of the concentration of sulphur
dioxide by the hydrogen peroxide method, was considered to be the
most suitable, and the Working Party recommended that a national