8. Sanitation - World Health Organization

1038. includes solid waste disposal (including medical wastes), wastewater disposal,wastewater reuse, human excreta disposal, and drainage of surface (rain) water . Thissection deals mainly with systems for human excreta disposal, in line with the scope ofthis document. A distinction is made between systems that do not need water (dry sys-tems) and systems that need water to function (waterborne systems). The following sys-tems are described in the Fact Sheets, and they cover a wide range of technologies fordisposing of human excreta, from simple improved traditional latrines, to complex sew-erage systems: basic improved traditional latrine; ventilated improved pit latrine; double-vault compost latrine; bored hole latrine; pour-flush latrine with leaching pit; septic tank and aqua privy; vacuum tanker; manual latrine-pit emptying technology (MAPET); soakaway; drainage field; small-bore or settled and effluent treatment technologies, such as stabilization ponds and aerationponds, are not included as they are beyond the scope of this publication.

Safe human excreta disposal is crucial for preventing the spread of infectious dis- ... the wastewater could seep into the drinking-water supply and contaminate it. ... —a hygienic self-draining floor made of smooth, durable material and with raised foot rests;

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  Health, World health organization, World, Organization, Safe, Water, Drinking, Hygienic

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