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(b) We have not conducted a survey as suggested in the Question. However, in 1991/92 a study was conducted jointly between the Administration and the University of Hong Kong on air pollution and respiratory health among primary school children. The results showed a positive correlation between the incidence of respiratory diseases and air pollution. Nonetheless, the study also indicated that other environmental factors, such as smoking, would also have to be taken into account. To further our understanding of the relationship between air pollution and health, we draw regularly on the findings of overseas studies and information promulgated by organisations such as the World Health Organisation and the Environmental Protection Agency of the United States. Such information indicates that an increase in hospital admissions and the aggravation of symptoms among patients with asthma, allergic respiratory diseases and chronic lung diseases is associated with increased air pollution.

(c) The advice given to the public on days of high Air Pollution Index readings is of a precautionary nature. The present levels of air pollution in Hong Kong will unlikely cause immediate health damage to those who are vulnerable and there is no need for additional protective measures for them although they should, of course, seek medical advice if they feel uncomfortable. To prevent possible adverse health impacts of chronic exposure to air pollution, the Administration proposes to continue to extend the number of industrial processes specified under the Air Pollution Control Ordinance for licensing control, to minimise the impact of dust on air pollution, especially from construction sites, and to control open burning. Our current proposal to require diesel vehicles under 4 tonnes to be gradually replaced by vehicles using unleaded petrol and catalytic converters will have a substantial impact on air pollution on which we are consulting the public.

End/Wednesday, November 29, 1995

Surrendering of Home Ownership Scheme flats

Following is a question by the Hon Zachary Wong and a written reply by the Secretary for Housing, Mr Dominic Wong, in the Legislative Council today (Wednesday):

Question:

Will the Government inform this Council: