Fourth Symposium on Our Environment : Proceedings of the Fourth Symposium on Our Environment, Held in Singapore, May 21–23, 1990

Front Matter....Pages i-ix Chromatographic Techniques for Pollution Analyses....Pages 1-11 Separation of Large Polycyclic Aromatic Hydrocarbons In Particulate Matter By Liquid Chromatography....Pages 13-25 The Effect of Oxygen Addition on the Determination of Cadmium and Lead in Blood and Foods by Graphite Furnace Atomic Absorption Spectrometry....Pages 27-33 An Optimization Procedure for the Isocratic High-performance Liquid Chromatographic Separations of Environmental Pollutants....Pages 35-46 Some Applications of Freon-22 In Supercritical Fluid Chromatographic Analysis of Environmental Pollutants....Pages 47-53 Identification of Residual Pesticides In Water By GC/QPMS....Pages 55-62 Direct Coupling of Supercritical Fluid Extractionsupercritical Fluid Chromatography For The Determination of Selected Polycyclic Aromatic Hydrocarbons In Aqueous Environmental Samples....Pages 63-71 Separation of Selected PAHs By Using High Performance Capillary Electrophoresis With Modifiers....Pages 73-81 Optimization of The Gradient HPLC Separation of Selected Phthalates Using The Overlapping Resolution Mapping Technique....Pages 83-91 Analysis of Priority Substituted Phenols by Micellar Electrokinetic Chromatography....Pages 93-103 Incineration of Hazardous Wastes....Pages 105-125 Environmental Management in Singapore....Pages 127-130 Catalytic CO Oxidation Over Manganese-Containing Perovskites....Pages 131-138 Water Purification With Magnetic Particles....Pages 139-143 Entrapping of Organic Wastes By Coordination Clathrates....Pages 145-150 In Search of a Recyclable Sulphur Dioxide Sponge - A New Look at an Old System....Pages 151-155 Leachate of Fly Ash Derived from Refuse Incineration....Pages 157-164 Mercury Contamination - What We Have Learned Since Minamata....Pages 165-182 The Legal Control of Chlorofluorocarbon and Halon Substances in Hong Kong....Pages 183-191 The Effectiveness of Composite Lining Systems in Controlling the Leakage of Leachate from Sanitary Landfills to Groundwater....Pages 193-202 Factors Affecting the Leaching of Lead from UPVC Pipes....Pages 203-213 Poly(Sodium Acrylamidoalkanoates) in Water Treatment....Pages 215-224 Atmospheric Acidification in the Asian Region....Pages 225-250 Improving the Living Environment of Singapore....Pages 251-259 The New Environmentalist....Pages 261-273 Proposals for the Conservation of Nature in Urban Singapore....Pages 275-286 Microplankton Bloom in a Brackish Water Lagoon of Terengganu....Pages 287-294 Temporal Variation in a Coral Reef Community at Pattaya Bay, Gulf of Thailand....Pages 295-307 Water Quality Planning and Management for Dapeng Bay, China....Pages 309-317 Ecology of Marine Fouling Organisms at Eastern Johore Strait....Pages 319-333 DNA Adducts as Early Bioindicators of Chemical Exposure....Pages 335-340 Some Gaseous Pollutants in Nakorn Sri Thammarat....Pages 341-347 Management and Control of Pollution in Inner Johore Strait....Pages 349-359 A Feasibility Study for Appraising Recreational Water Quality in a Southeast Asian Beach Complex....Pages 361-372 Diurnal Models of Traffic-Generated Co for Penang, Malaysia....Pages 373-382 Non-Radiological Contaminants from Uranium Mining and Milling at Ranger, Jabiru, Northern Territory, Australia....Pages 383-400 Environmental and Biological Monitoring of Methyl Ethyl Ketone (MEK)....Pages 401-411 The Determination of Chlorofluorocarbons and Extractives in the Expanded and Disposable Polystyrene Ware....Pages 413-422 Phenolic Water Pollutants in a Malaysian River Basin....Pages 423-431 Lake Destratification and Speciation of Iron and Manganese....Pages 433-447 Quality of Stormwater Runoff from an Urbanised Watershed....Pages 449-456 The Distribution of Organic Matter in Songkhla Lake Basin (SLB)....Pages 457-467 Analysis of Pesticide Residues in Peninsular Malaysian Waterways....Pages 469-479 A Study of the Heavy Metal Concentrations of the Singapore River....Pages 481-494 Wind Flow in an Urban Environment....Pages 495-506 Uptake, Distribution and Immunotoxicological Effects of Mercury in Mice....Pages 507-517 Noise Surveys of Hand-Held Pneumatic Rock Drills in Hong Kong....Pages 519-523 Major Factors of Industrial Noise-Induced Hearing Loss in Hong Kong....Pages 525-537 Analysis of Pollution Monitoring by Expert Systems....Pages 539-547