| Page | Characteristics of sewage | 1 | Protection of water sources from household wastes | 2 | Septic-tank systems | 2 | Operation of a septic tank system | 2 | Selecting the site | 4 | The house sewer | 4 | The septic tank | 8 | Building a concrete tank | 11 | The effluent sewer | 13 | The disposal field | 13 | Disposal methods in tight or wet soils | 14 | Care and maintenance of septic tanks | 17 | Effect of drain solvents and other materials | 17 | Protection against freezing | 17 | Septic-tank troubles | 18 | Grease traps | 18 | Disposal of drainage from fixtures other than toilets | 19 | Cesspools | 20 | Privies | 21 | Care, and maintenance | 22 | Chemical closets | 24 | Disposal of garbage and trash | 25 | TO INSURE healthful living, domestic wastes must be disposed of. Primitive wanderers and too often present-day tourists deposit their wastes promiscuously and move on when the surroundings become foul. This is impractical in built-up communities. Therefore, in most cities and in some rural areas sanitary codes regulate the disposal of wastes.
|
|