XN000022-1987-08-14 — Page 11

FRIDAY, AUGUST 14, 1987

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METHODS FOR MEASURING DUST UPDATED

METHODS AND STANDARDS FOR SAMPLING AND MEASURING DUST AND GRIT EMISSION FROM CHIMNEYS AND FLUES WILL BE UPDATED AND REVISED ΤΟ SUIT THE NEED OF THE HONG KONG ENVIRONMENT.

UNDER TWO SETS OF AIR POLLUTION CONTROL AMENDMENT REGULATIONS WHICH WILL BECOME EFFECTIVE IN NOVEMBER THIS YEAR, THE UNITED STATES OF AMERICA ENVIRONMENTAL PROTECTION AGENCY REFERENCE METHOD 5 WILL INTRODUCED TO REPLACE THE EXISTING METHOD FOR MEASURING DUST AND EMISSION FROM STATIONARY SOURCES.

BE

GRIT

"THIS NEW METHOD IS CONSIDERED MORE SUITABLE FOR TAKING SAMPLES FROM SMALL FLUES COMMONLY FOUND IN HONG KONG," A GOVERNMENT SPOKESMAN EXPLAINED TODAY (FRIDAY).

THE AMENDMENT REGULATIONS ALSO STIPULATE THE USE OF METRIC UNITS IN THE WEIGHTS AND MEASURES OF THE PRINCIPAL REGULATIONS.

"UNDER THE NEW AMENDMENT, THE INSTALLATION OR ALTERNATION OF A CHIMNEY, FURNACE OR OVEN WHICH CONSUMES EITHER 35 KILOGRAMS OF SOLID FUEL, 25 LITRES OF LIQUID FUEL OR 1,150 MEGAJOULES OF GASEOUS FUEL OR MORE IN AN HOUR WILL REQUIRE PRIOR APPROVAL FROM THE DIRECTOR OF ENVIRONMENTAL PROTECTION. THE PERMISSIBLE EMISSION RATES OF DUST AND GRIT ARE ALSO METRICATED,' THE SPOKESMAN SAID.

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DETAILS OF THE AMENDMENTS ARE SET OUT IN THE AIR POLLUTION CONTROL (RESTRICTION AND MEASUREMENT OF SMOKE EMISSION) REGULATIONS 1987 AND THE AIR POLLUTION CONTROL (FURNACES, OVENS AND CHIMNEYS) (INSTALLATION AND ALTERNATION} REGULATIONS 1987 GAZETTED TODAY (FRIDAY).

THE SPOKESMAN REMINDED ALL AUTHORISED PERSONS AND ENGINEERS WHO PREPARE PLANS UNDER THE REGULATIONS ΤΟ SUBMIT THEIR SPECIFICATIONS IN S.I. UNITS AND IN THE NEW SCALES EFFECTIVE DATE OF THE AMENDMENT REGULATIONS.

PLANS AND AFTER THE

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