CONTENTS.
| Page. | |
| Introduction | [3] |
| Plans and advice | [3] |
| Sewage, sewers, and sewerage defined | [4] |
| Nature and quantity of sewage | [4] |
| Sewage-borne diseases and their avoidance | [5] |
| How sewage decomposes | [9] |
| Importance of air in treatment of sewage | [10] |
| Practical utilities | [11] |
| Kitchen-Sink Drainage | [26] |
| Cesspools | [26] |
| Septic tanks | [28] |
| Grease traps | [53] |
| General procedure | [55] |