CONFIDENTIAL
41 -
initiative
the new
is a very high priority.
regulations,
incorporating
will be introduced in 1990.
It is intended that
suitable
lead ti mes,
4.17
Because of the
number of industrial chimney s in
so me parts of Hong Kong, the existing regulations under the
APCO that control dark smoke emissions are inadequate to
prevent localised nuisance and health problems. Although
each chimney is not permitted to emit dark smoke for more
than a few minutes, the large numbers of chimneys on many
industrial buildings can cause almost non-stop emissions of
dust and grit from a single building.
4.18
Government therefore intends to tighten the dark
criteria in the present regulations.
smoke emission li mit
The target is to introduce these amended regulations in
1990.
Mobile Sources
4.19
Control standards for motor vehicle e missions in
Hong Kong are less stringent than those of many other
developed countries
less serious air pollution
The Government therefore intends to introduce
problems.
with
more stringent vehicle e mission standards in order to
reduce emissions from motor vehicles, and to phase-out the
use of leaded petrol.
4.20
The
most
serious pollutants are oxides of
diesel engined
nitrogen and particulate emissions from
vehicles, which produce about 44% of all respirable
particulates emitted in the territory and up to 75% of all
ground level concentrations of oxides of nitrogen. This is
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