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Pit latrine ventilation : field investigation methodology (anglais)

This report describes a suitable methodology for the investigation in the field of the ventilation performance of ventilated improved pit (VIP) latrines. The methodology is based on monitoring the temperature environment of the latrine, the velocity of the air flow within the vent pipe, the wind speed across the top of the vent pipe and the variation of atmospheric pressure inside and outside the latrine. With this information it is possible to determine...
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