genicsources(Matschullat,;Nordstrom,;Smedleyetal.,;;Barragner-Bigot,;Bundschuhetal.,;Bhattacharyaetal.,b;Nriaguetal.,)...FieldscreeningforarsenicFollowingthediscoveryofAsintheBengalBasin,thereisnowanurgentneedtoaddressthepublichealthimplicationsduetoexposurefromdrinkingwatersources.Inordertodothisandinitiateappropriatemitigationmeasures,thereisanurgentneedtoidentifytheAs-contaminatedtubewells(TW)thatsupplymostofthisdrinkingwater(ChowdhuryandJakariya,).ThisinvolvesscreeningofwaterinmillionsofTW,andraisingcommunityawarenessaboutthehealthproblemsrelatedtochronicAsexposurefromdrinkingwater.AnoverallriskassessmentincludingacomponentofmitigationforAscontaminationshouldbebasedonaccuratedeterminationofAslevelsinTWwaterusingeconomicallyviablemethodsforAsscreening.Fieldtestkitsofferamorepracticaltoolthan农作物产量时,考虑空间性和时间线是十分重要。
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