Figure 8From: Are interventions to reduce the impact of arsenic contamination of groundwater on human health in developing countries effective? A systematic review Percentage (95% CI) of samples meeting WHO guidelines for adsorption technologies. Act(BRAC1) and Act(BRAC2), activated alumina for two units [27]; Act(Sar), activated alumina [46]; Act(Sar1) and Act(Sar2), activated alumina for two time-periods [3]; ICS, iron coated sand [21], IOCS, iron oxide coated sand [47]; Safi [38]; FerOx, ferric oxide [24]; SIDKO [27]; ARP, arsenic removal plant [48].Back to article page