UNIT ONE 1
Text An Introduction to Water Supply and Sanitation Provisions 1
Reading Material A Water Demand 6
Reading Material B Water Treatment in Developing Countries 9
UNIT TWO 12
Text Water Quality Criteria 12
Reading Material A Drinking Water Standards in the U.S. 17
Reading Material B Setting Standards for the Mediterranean Sea 18
UNIT THREE 21
Text Microbiological Examination 21
Reading Material A Ecological Principles 27
Reading Material B Sampling and Analysis 29
UNIT FOUR 31
Text Role of Monitoring in Water Quality Management 31
Reading Material A Sources of Water Pollution 35
Reading Material B Water-related Disease 38
UNIT FIVE 41
Text Mechanism of Coagulation 41
Reading Material A Drainlaying 46
Reading Material B Ion Exchange 49
UNIT SIX 52
Text Overall Effects o{ Pollution by Wastewaters 52
Reading Material A Wastewater Chemical Analyses 56
Reading Material B Sorption on Wastewater Solids: Elimination of Biological Activity 59
UNIT SEVEN 65
Text Tertiary Treatment of Wastewater 65
Reading Material A Activated Sludge Treatment of Wastewater 71
Reading Material B Land Treatment of Wastewater 74
UNIT EIGHT 76
Text The Role of the Engineer in Water Pollution Abatement 76
Reading Material A Disinfection 80
Reading Material B Nitrogen and Phosphorus Removal 83
UNIT NINE 86
Text The Concept of Sustainable Development 86
Reading Material A Environmental Stress as a Source of Conflict 91
Reading Material B Equity and the Common Interest 93
UNIT TEN 96
Text Assessment of Environmental Impacts 96
Reading Material A Environmental Impact 100
Reading Material B Environmental Assessment 102
UNIT ELEVEN 106
Text Man and His Environment 106
Reading Material A A Preface to Air Pollution and Acid Rain 111
Reading Material B Effects of Air Pollution on Health 113
UNIT TWELVE 115
Text Biological Design of Activated Sludge 115
Reading Material A Landfills 120
Reading Material B Disposal of Sludge Containing Heavy Metals 122
UNIT THIRTEEN 124
Text Energy, Economy and Environment 124
Reading Material A The Growth of Cities 129
Reading Material B The Situation in Industrial World Cities 132
UNIT FOURTEEN 135
Text Ecology—Its Relation to Other Sciences and Its Relevance to Civilization 135
Reading Material A Elements of Ecology 139
Reading Material B Role of Consumers in Food Web Dynamics 141
UNIT FIFTEEN 144
Text The Environmental Ethic 144
Reading Material A Resolution of Environmental Conflicts (Part Ⅰ) 149
Reading Material B Resolution of Environmental Conflicts (PartⅡ) 150
UNIT SIXTEEN 153
Text EPA Must Look to the Future 153
Reading Material A EMAP Shifts Focus to Research 157
Reading Material B States Try Out "Pollution Prevention Permits" 159
Appendix Ⅰ Vocabulary 162
Appendix Ⅱ Translation for Reference 169
Appendix Ⅲ Key to Exercises 192