Air Pollution Control Ordinance (Cap.311) Waste Disposal Ordinance (Cap.354) Water Pollution Control Ordinance (Cap.358) Noise Control Ordinance (Cap. 400) Ozone Layer Protection Ordinance (Cap.403) Dumping at Sea Ordinance (Cap.466) Environmental Impact Assessment Ordinance (Cap.499) Hazardous Chemicals Control Ordinance (Cap.595) Product Eco-responsibility Ordinance (Cap. 603) Motor Vehicle Idling (Fixed Penalty) Ordinance (Cap. 611) Mercury Control Ordinance (Cap.640)
