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THURSDAY, NOVEMBER 12, 1992
THE DAILY HONG KONG AIR QUALITY OBJECTIVES
OF SO2, NO2, TSP
AND RSP ARE 350, 150, 260 AND 180 MICROGRAMS PER CUBIC METRES RESPECTIVELY.
THESE OBJECTIVES ARE COMPARABLE TO INTERNATIONALLY RECOGNISED AIR QUALITY STANDARDS RECOMMENDED FOR PROTECTING THE HEALTH OF THE GENERAL PUBLIC.
HIGH LEVELS OF 502 CAUSES RESPIRATORY ILLNESS, REDUCES LUNG FUNCTION AND INCREASES MORTALITY RATE.
NO2 CAUSES RESPIRATORY IRRITATION, INCREASES SUSCEPTIBILITY RESPIRATORY INFECTION AND IMPAIRS LUNG DEVELOPMENT.
ΤΟ
TSP ACTS SYNERGISTICALLY WITH OTHER GASEOUS POLLUTANTS AND RSP CAUSES RESPIRATORY ILLNESS, REDUCES LUNG FUNCTION. SOME FORMS OF RSP MAY CAUSE CANCER.
THE MONG KOK, CENTRAL/WESTERN AND KWAI CHUNG STATIONS BROADLY REPRESENT AIR QUALITY RESPECTIVELY AT LOCATIONS CLOSE TO ROAD TRAFFIC IN BUILT-UP URBAN DISTRICT; COMBINED COMMERCIAL AND RESIDENTIAL DISTRICTS; AND DISTRICTS CLOSE TO INDUSTRIAL AREAS.
CURRENTLY THE EPD OPERATES A TOTAL OF 11 FIXED AIR QUALITY MONITORING STATIONS, INCLUDING THE THREE MENTIONED ABOVE.
THE OTHER EIGHT STATIONS ARE AT KWUN TONG, SHAM SHUI
PO, TSIM SHA TSUI, TSEUNG KWAN O, TSUEN WAN, HONG KONG SOUTH, TAI PO AND SHA TIN.
NOTE TO EDITORS:
FURTHER ENQUIRY CAN BE DIRECTED TO THE ACTING PRINCIPAL ENVIRONMENTAL PROTECTION OFFICER MR W S TSUI ON TEL 594 6403.
HONG KONG