TNAG-1980-FCO40-2813-Pollution-in-Hong-Kong-1989 — Page 57

Construction Dust

CONFIDENTIAL

4.29

Construction

activities

account for some 30% of

all total suspended particulates emitted in the territory.

There is considerable scope for reducing these emissions.

Present practices and controls in the construction industry

being examined with a view to developing suitable

practice and, if necessary, legislative controls.

are

now

codes of

This work will be completed by 1991.

Monitoring and Investigation

4.30

i mportant

Data from air quality monitoring stations provide

indications as to the success or otherwise of air

Government therefore intends

quality control programmes.

to expand the fixed monitoring network over the next five

years to provide a comprehensive monitoring capability for

the whole territory.

Priority will be given to

establishing monitoring stations in the areas which contain

ma jor

concentrations of industry or have been

major industrial development.

earmarked for

4.31

The EP D will continue to monitor acid rain and

the Royal Observatory will monitor the long range transport

of pollutants. The impact caused by acid rain in Hong Kong

is not great, and the level of acidity in rainfall has not

increased over the last few years. Acid rain, by itself,

not known to have any important direct adverse effects

public health in Hong Kong. Nor is it responsible for

to our local vegetation or agriculture. How ever

rain, when combined with other common air pollutants

corrosion of building materials. The principal

is

on

da ma ge

acid

leads to

CONFIDENTIAL