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design, construction and operation of the West New Territories Landfill, as part of a unified contract, have been called and tender preparation for the other two landfills is nearing completion.
61.
The construction of a chemical waste treatment facility on Tsing Yi is underway and the facility is due to be commissioned late 1992. This has enabled the passage of specific Regulations under the Waste Disposal Ordinance to impose, for the first time, strict controls on the production, transport and disposal of chemical wastes in the Territory.
62. New initiatives for the coming years include further amendment to the Waste Disposal Ordinance, designed to tighten up and regulate the disposal of municipal waste; and impose controls on the transboundary movement of all wastes. On the construction front, several more refuse transfer stations are scheduled for construction as is a new centralised incineration facility to handle special wastes, including those from abattoirs and pathological waste from medical facilities.
63. The major vehicle for control of air pollution is the Air Pollution Control Ordinance 1983. Control of ozone depleting substances is achieved by the Ozone Layer Protection Ordinance 1989 (the requirements of the Montreal Protocol are being fully met). During 1989, the whole territory was declared an Air Control Zone, in which the stipulated Air Quality Objectives are required to be met. During 1990, the Air Pollution Control (Fuel Restriction) regulations reduced the maximum permitted level of sulphur in industrial fuel oils from 2.5% to 0.5%. As a result, levels of sulphur dioxide in the air dropped sharply.
64.
1991 saw the initiation of a systematic strategy to control motor vehicle emissions. The Road Traffic (Amendment) Ordinance 1991, gave powers to set up centres for the testing of motor vehicle emissions, to call vehicles suspected of having poor emissions for testing, and to deregister vehicles which failed such tests. Large numbers of volunteer "spotters" identify vehicles with suspect emissions for checking. The Air Pollution (Amendment) Ordinance 1991, provided for the introduction of unleaded petrol, and the Air Pollution Control (Vehicle Design Standards) (Emission) Regulations 1991, made it mandatory for all petrol driven vehicles registered from 1 January 1992 to be fitted with catalytic converters and to be capable of working only on unleaded petrol.
65. A major publicity drive to get vehicle owners to switch to unleaded petrol saw 56% of petrol sales switch to unleaded petrol within the first 10 months of the petrol going on sale. A major revision of the Air Pollution Control Ordinance which should be enacted in the very near future, introduced a comprehensive scheme of control for environmental asbestos,
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