Dear Mr Hawi, UNICEF India ...

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Dear Mr Hawi, UNICEF India had developed several designs of twin pit pour flush latrines, and I was a party to this. I think I (and several others ) may be of some help in case some more details like soil strata and type, frequency of flooding etc. are also shared. A concern is the contamination of the water table in case the soil strata is very porous eg coarse sand /gravel and especially open/shallow wells are used for drinking water without disinfection. My ID nandpurohit@gmail.com in case.