Solar water disinfection (SODIS) involves exposing water-filled plastic polyethylene terephthalate (PET) bottles to sunlight for several hours. Exposure times vary depending on weather and climate from a minimum of six hours to two days during fully overcast conditions. It is recommended by the World Health Organization as a viable method for household water treatment and safe storage. Over two million people in developing countries use this method for their daily drinking water.
Solar water disinfection ( SODIS ) involves exposing water - filled plastic polyethylene terephthalate ( PET ) bottles to sunlight for several hours . Exposure times vary depending on weather and climate from a minimum of six hours to two days during fully overcast conditions . It is recommended by the World Health Organization as a viable method for household water treatment and safe storage . Over two million people in developing countries use this method for their daily drinking water .
Solar water disinfection is recommended by which organization?
Solar water disinfection is recommended by which organization ?
the World Health Organization
the World Health Organization