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Social and psychological implications of rural sanitation
THE PRIVY METHOD OF EXCRETA DISPOSAL
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anal cleansing aqua privy auger bacteria bored-hole latrine bottom bowl bucket latrine building sewer built capacity cement centimetres cesspool clean composting construction cost countries cover decomposition depth diameter diarrhoea diseases disposal field disposal system dosing earth environmental sanitation excreta disposal programme faeces feuillees flies floor foot-rests ground water ground-water health department health education health inspector hole hookworm inlet labour liquid materials Measurements shown method necessary night-soil operation organic outlet percolation persons pipe pit latrines pit privy pollution possible Public Health Engineer reinforced rodents rural areas rural sanitation sanitarians sanitary sanitation programmes seepage pit septic tank septic-tank effluent sewage sewage disposal shown in Fig siphon sludge soakage soil South-East Asia squatting plate subsurface irrigation superstructure surface type of installation type of latrine typhoid fever urine usually ventilation wastes water supply water-seal World Health Organization