 |  | A Guide to the Development of On-site Sanitation (WHO, 1992, 246 p.) |
 |  | (introduction...) |
 |  | Preface |
 |  | Part I. Foundations of sanitary practice |
 |  | Chapter 1. The need for on-site sanitation |
 |  | Introduction |
 |  | Historical evidence |
 |  | The present situation |
 |  | Constraints |
 |  | Priorities |
 |  | Chapter 2. Sanitation and disease transmission |
 |  | Diseases associated with excreta and wastewater |
 |  | How disease is carried from excreta |
 |  | Chapter 3. Social and cultural considerations |
 |  | (introduction...) |
 |  | Social structure |
 |  | Cultural beliefs and practices |
 |  | Concepts of hygiene |
 |  | Beliefs about sanitation and disease |
 |  | Forces for change |
 |  | Responses to change |
 |  | Conclusion |
 |  | Chapter 4. Technical options |
 |  | (introduction...) |
 |  | Open defecation |
 |  | Shallow pit |
 |  | Simple pit latrine |
 |  | Borehole latrine |
 |  | Ventilated pit latrine |
 |  | Pour-flush latrine |
 |  | Single or double pit |
 |  | Composting latrine |
 |  | Septic tank |
 |  | Aqua-privy |
 |  | Removal systems for excreta |
 |  | Part II. Detailed design, construction, operation and maintenance |
 |  | Chapter 5. Technical factors affecting excreta disposal |
 |  | Human wastes |
 |  | Ground conditions |
 |  | Insect and vermin problems |
 |  | Chapter 6. Operation and maintenance of on-site sanitation |
 |  | (introduction...) |
 |  | Pit latrines |
 |  | Simple pit latrines |
 |  | Ventilated pit latrines |
 |  | Ventilated double-pit latrines |
 |  | Pour-flush latrines |
 |  | Offset pour-flush latrines |
 |  | Double-pit offset pour-flush latrines |
 |  | Raised pit latrines |
 |  | Borehole latrines |
 |  | Septic tanks |
 |  | Aqua-privies |
 |  | Disposal of effluent from septic tanks and aqua-privies |
 |  | Composting latrines |
 |  | Multiple latrines |
 |  | Other latrines |
 |  | Chapter 7. Components and construction of latrines |
 |  | (introduction...) |
 |  | Pits |
 |  | Latrine floors |
 |  | Slabs |
 |  | Footrests and squat holes |
 |  | Seats for latrines |
 |  | Water seals and pans |
 |  | Vent pipes |
 |  | Superstructure |
 |  | Chapter. 8 Design examples |
 |  | Introduction |
 |  | Pit latrine design |
 |  | Septic tank design |
 |  | Aqua-privy design |
 |  | Disposal of effluent from septic tanks and aqua-privies |
 |  | Composting toilets |
 |  | Part III. Planning and development of on-site sanitation projects |
 |  | Chapter 9. Planning |
 |  | (introduction...) |
 |  | The demand for sanitation |
 |  | Project definition |
 |  | Background information |
 |  | Comparison and selection of systems |
 |  | Chapter 10. Institutional, economic and financial factors |
 |  | Institutional responsibilities |
 |  | Human resources development |
 |  | Economic factors |
 |  | Financial factors |
 |  | Examples |
 |  | Chapter 11. Development |
 |  | (introduction...) |
 |  | Implementation |
 |  | Operation and maintenance |
 |  | Evaluation |
 |  | References |
 |  | Selected further reading |
 |  | Glossary of terms used in this book |
 |  | Annex 1. Reuse of excreta |
 |  | Annex 2. Sullage |
 |  | Annex 3. Reviewers |
 |  | Selected WHO publications of related interest |
 |  | Back Cover |